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53 matching records found.
Label Query: Genus = "Eleocharis", Species = "acicularis"
Cyperaceae
1. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Wallowa County:
Wallowa-Whitman National Forest. Duck Lake swale.
Elev. 6200 ft. 45° 5.67' N, 117° 0.396' W. Datum: NAD 27. Coordinate uncertainty: 15 meters.
Drainage swale below Duck Lake, seasonally wet. Bordered by upland meadow. Phenology: Flowers. Origin: Native.
WTU 360494
Suzanne Bagshaw 02-1    20 Jul 2002
1. Eleocharis acicularis (L.) R. & S.
Database ID
1518 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
360494 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis parvula (R. & S.) Link.
    Annotated by David Giblin, 7 2004. Sources: FNA.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by Peter F. Zika, 2009.  
Type Notes
 
Collector
Suzanne Bagshaw 
Collection #
02-1 
Other Collectors
 
Date Collected
20 Jul 2002 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Wallowa 
Locality
Wallowa-Whitman National Forest. Duck Lake swale. 
Elevation
6200 ft. 
Coordinates
45° 5.67' N, 117° 0.396' W 
Site Description
Drainage swale below Duck Lake, seasonally wet. Bordered by upland meadow. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
2. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Clark County:
Green Mountain Resort Conservation Easement.
T2N R3E S20; T2N R3E S21; Willamette Meridian. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.
Wet depression in upland field. With Eleocharis palustris, Carex unilateralis, deschampsia cespitosa, Galium sp. Phenology: Fertile. Origin: Native.
WTU 338724
Eliza Habegger 596    7 Aug 1998
2. Eleocharis acicularis (L.) R. & S.
Database ID
3378 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
338724 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Eliza Habegger 
Collection #
596 
Other Collectors
 
Date Collected
7 Aug 1998 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Clark 
Locality
Green Mountain Resort Conservation Easement. 
Elevation
 
Coordinates
T2N R3E S20; T2N R3E S21; Willamette Meridian 
Site Description
 
Specimen Notes
Wet depression in upland field. With Eleocharis palustris, Carex unilateralis, deschampsia cespitosa, Galium sp. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
3. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Clallam County:
Shore of Lake Ozette.
48.097222°, -124.643889°. Datum: NAD 27. Coordinate uncertainty: 5000 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.
Phenology: Fertile. Origin: Native.
WTU 306194
Harold E. Helmrich 239    14 Jul 1933
3. Eleocharis acicularis (L.) R. & S.
Database ID
3379 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
306194 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
Harold E. Helmrich 
Collection #
239 
Other Collectors
 
Date Collected
14 Jul 1933 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Clallam 
Locality
Shore of Lake Ozette. 
Elevation
 
Coordinates
48.097222°, -124.643889° 
Site Description
 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
4. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Ferry County:
North Twin Lake.
48.28728°, -118.38008°. Datum: WGS 84. Coordinate uncertainty: 2000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Phenology: Fertile. Origin: Native.
WTU 111858
Mae E. Dennis s.n.    19 Aug 1946
4. Eleocharis acicularis (L.) R. & S.
Database ID
3380 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
111858 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
Mae E. Dennis 
Collection #
s.n. 
Other Collectors
 
Date Collected
19 Aug 1946 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Ferry 
Locality
North Twin Lake. 
Elevation
 
Coordinates
48.28728°, -118.38008° 
Site Description
 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
5. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, King County:
Seattle.
47.613617°, -122.310098°. Datum: WGS 84. Coordinate uncertainty: 15750 meters. Georeferenced by Joseph Stormer. Coordinate Source: Digital Map.
Phenology: Fertile. Origin: Native.
WTU 4354
C. V. Piper 662    11 Jul 1889
5. Eleocharis acicularis (L.) R. & S.
Database ID
3381 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
4354 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
C. V. Piper 
Collection #
662 
Other Collectors
 
Date Collected
11 Jul 1889 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
King 
Locality
Seattle. 
Elevation
 
Coordinates
47.613617°, -122.310098° 
Site Description
 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
6. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Lincoln County:
Near Creston.
47.759167°, -118.525278°. Datum: NAD 27. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.
Sagebrush plains and moist sagebrush slopes. Phenology: Fertile. Origin: Native.
WTU 2460JWT
J. William Thompson 9167    23 Jun 1933
6. Eleocharis acicularis (L.) R. & S.
Database ID
3382 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
2460JWT 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
J. William Thompson 
Collection #
9167 
Other Collectors
 
Date Collected
23 Jun 1933 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Lincoln 
Locality
Near Creston. 
Elevation
 
Coordinates
47.759167°, -118.525278° 
Site Description
Sagebrush plains and moist sagebrush slopes. 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
7. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pierce County:
Lake shore, Prairie, Tacoma.
47.25306°, -122.44306°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Phenology: Fertile. Origin: Native.
WTU 40165
J. B. Flett s.n.    2 Oct 1897
7. Eleocharis acicularis (L.) R. & S.
Database ID
3383 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
40165 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
J. B. Flett 
Collection #
s.n. 
Other Collectors
 
Date Collected
2 Oct 1897 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pierce 
Locality
Lake shore, Prairie, Tacoma. 
Elevation
 
Coordinates
47.25306°, -122.44306° 
Site Description
 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
8. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Okanogan County:
Second pond east of summit of Nespelem road.
48.16722°, -118.97361°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Edge of pond. Phenology: Fertile. Origin: Native.
WTU 13177
Charles B. Fiker 1475    20 Jun 1934
8. Eleocharis acicularis (L.) R. & S.
Database ID
3384 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
13177 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
Charles B. Fiker 
Collection #
1475 
Other Collectors
 
Date Collected
20 Jun 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Okanogan 
Locality
Second pond east of summit of Nespelem road. 
Elevation
 
Coordinates
48.16722°, -118.97361° 
Site Description
 
Specimen Notes
Edge of pond. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
9. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pend Oreille County:
Lake Calispell, 3 miles southwest of Usk.
48.283179°, -117.324774°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Damp, sandy soil. Phenology: Fertile. Origin: Native.
WTU 68446
F. O. Kreager 331    29 Jul 1902
9. Eleocharis acicularis (L.) R. & S.
Database ID
3385 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
68446 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
F. O. Kreager 
Collection #
331 
Other Collectors
 
Date Collected
29 Jul 1902 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pend Oreille 
Locality
Lake Calispell, 3 miles southwest of Usk. 
Elevation
 
Coordinates
48.283179°, -117.324774° 
Site Description
 
Specimen Notes
Damp, sandy soil. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
10. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, San Juan County:
Orcas Island, Cascade Lake, near public swimming area, east side.
48.648056°, -122.8475°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.
In boggy, open edge of lake N of swimming docks, with Eleocharis acicularis. Fairly common at site, but rare in San Juans. Phenology: Fertile. Origin: Native.
WTU 325087
Scott R. Atkinson 462    17 Aug 1992
10. Eleocharis acicularis (L.) R. & S.
Database ID
3386 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
325087 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
3. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1996.  
Type Notes
 
Collector
Scott R. Atkinson 
Collection #
462 
Other Collectors
 
Date Collected
17 Aug 1992 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
San Juan 
Locality
Orcas Island, Cascade Lake, near public swimming area, east side. 
Elevation
 
Coordinates
48.648056°, -122.8475° 
Site Description
 
Specimen Notes
In boggy, open edge of lake N of swimming docks, with Eleocharis acicularis. Fairly common at site, but rare in San Juans. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
11. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Thurston County:
Hicks Lake, 4 miles east of Olympia, near public access area.
47.038029°, -122.814476°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Sand and mud at edge of lake. Phenology: Fertile. Origin: Native.
WTU 234032
C. L. Hitchcock 24128    22 Sep 1965
11. Eleocharis acicularis (L.) R. & S.
Database ID
3387 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
234032 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
C. L. Hitchcock 
Collection #
24128 
Other Collectors
 
Date Collected
22 Sep 1965 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Thurston 
Locality
Hicks Lake, 4 miles east of Olympia, near public access area. 
Elevation
 
Coordinates
47.038029°, -122.814476° 
Site Description
Sand and mud at edge of lake. 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
12. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Whitman County:
At a lake 3 miles northwest of Ewan.
47.147639°, -117.779015°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
On a mud flat earlier covered with water, on margin of lake. Phenology: Fertile. Origin: Native.
WTU 66056
F. L. Pickett 1637    18 Aug 1934
12. Eleocharis acicularis (L.) R. & S.
Database ID
3388 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
66056 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
F. L. Pickett 
Collection #
1637 
Other Collectors
 
Date Collected
18 Aug 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Whitman 
Locality
At a lake 3 miles northwest of Ewan. 
Elevation
 
Coordinates
47.147639°, -117.779015° 
Site Description
 
Specimen Notes
On a mud flat earlier covered with water, on margin of lake. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
13. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Whitman County:
At a lake 3 miles northwest of Ewan.
47.147639°, -117.779015°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Mud flat earlier covered with water. Margin of lake. Phenology: Fruits. Origin: Native.
WTU 66056A
F. L. Pickett 1637    18 Aug 1934
13. Eleocharis acicularis (L.) R. & S.
Database ID
23799 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
66056A 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
F. L. Pickett 
Collection #
1637 
Other Collectors
 
Date Collected
18 Aug 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Whitman 
Locality
At a lake 3 miles northwest of Ewan. 
Elevation
 
Coordinates
47.147639°, -117.779015° 
Site Description
Mud flat earlier covered with water. Margin of lake. 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
14. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Thurston County:
Hicks Lake, 4 mi e of Olympia, near public access area.
47.038029°, -122.814476°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Growing on lake shore in sandy mud. Phenology: Fruits. Origin: Native.
WTU 234032A
C. L. Hitchcock 24128    22 Sep 1965
14. Eleocharis acicularis (L.) R. & S.
Database ID
23800 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
234032A 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
C. L. Hitchcock 
Collection #
24128 
Other Collectors
 
Date Collected
22 Sep 1965 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Thurston 
Locality
Hicks Lake, 4 mi e of Olympia, near public access area. 
Elevation
 
Coordinates
47.038029°, -122.814476° 
Site Description
Growing on lake shore in sandy mud. 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
15. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
     (= Eleocharis acicularis (L.) Roem. & Schult.)
U.S.A., Washington, San Juan County:
Cascade Lake, Orcas Island.
48.651667°, -122.854722°. Datum: WGS 84. Coordinate uncertainty: 800 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.
Mucky edge of the lake, especiall along E and S sides; with Eleocharis parvula and Ranunculus flammula. Fairly common tufted plants, first record for San Juans. Phenology: Fruits. Origin: Native.
WTU 325090
Scott R. Atkinson 461    17 Aug 1992
15. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
Database ID
23801 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
325090 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. var. occidentalis Svens. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
2. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
    Annotated by S. Galen Smith, 1999.  
Type Notes
 
Collector
Scott R. Atkinson 
Collection #
461 
Other Collectors
 
Date Collected
17 Aug 1992 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
San Juan 
Locality
Cascade Lake, Orcas Island. 
Elevation
 
Coordinates
48.651667°, -122.854722° 
Site Description
Mucky edge of the lake, especiall along E and S sides; with Eleocharis parvula and Ranunculus flammula. 
Specimen Notes
Fairly common tufted plants, first record for San Juans. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
16. Eleocharis acicularis (L.) R. & S.
U.S.A., Utah, Garfield County:
Aquarius Plateau. Dixie National Forest. Cyclone Lake, 19 miles north of Escalante.
Elev. 10000 ft. T32S R2E S31. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.
In muddy ground with Arnica. Common. Phenology: Fertile.
WTU 231657
Noel H. Holmgren 2443    13 Aug 1965
16. Eleocharis acicularis (L.) R. & S.
Database ID
59776 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
231657 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999. Remarks: Flora of North America Project. 
Type Notes
 
Collector
Noel H. Holmgren 
Collection #
2443 
Other Collectors
 
Date Collected
13 Aug 1965 
Verbatim Date
 
Country
U.S.A. 
State or Province
Utah 
County
Garfield 
Locality
Aquarius Plateau. Dixie National Forest. Cyclone Lake, 19 miles north of Escalante. 
Elevation
10000 ft. 
Coordinates
T32S R2E S31 
Site Description
In muddy ground with Arnica. 
Specimen Notes
Common. 
Phenology
Fertile 
Origin
 
Cultivated?
No 
Imaged?
No 

Cyperaceae
17. Eleocharis acicularis (L.) R. & S.
Finland
Fennia. Kn. Paltamo. Kontiomäki. Pitkänperä.
Shore. Phenology: Fertile.
WTU 225133
Lauri Heikkinen s.n.    9 Jul 1963
17. Eleocharis acicularis (L.) R. & S.
Database ID
59779 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
225133 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Lauri Heikkinen 
Collection #
s.n. 
Other Collectors
 
Date Collected
9 Jul 1963 
Verbatim Date
 
Country
Finland 
State or Province
 
County
 
Locality
Fennia. Kn. Paltamo. Kontiomäki. Pitkänperä. 
Elevation
 
Coordinates
 
Site Description
Shore. 
Specimen Notes
 
Phenology
Fertile 
Origin
 
Cultivated?
No 
Imaged?
No 

Cyperaceae
18. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
     (= Eleocharis acicularis (L.) Roem. & Schult.)
U.S.A., California, Plumas County:
Below the high water line of the Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4.25 miles northeast of La Porte.
Elev. 5200 ft.
On dry and wet gravelly soil. Red fir forest. Uncommon and inconspicuous. Phenology: Flowers.
WTU 315256
Lowell Ahart 5125    11 Jul 1985
18. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
Database ID
59788 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
315256 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. var. occidentalis Svens. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S. var. occidentalis Svens.
    Annotated by S. Galen Smith, 1999. Remarks: Flora of North America Project. 
Type Notes
 
Collector
Lowell Ahart 
Collection #
5125 
Other Collectors
 
Date Collected
11 Jul 1985 
Verbatim Date
 
Country
U.S.A. 
State or Province
California 
County
Plumas 
Locality
Below the high water line of the Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4.25 miles northeast of La Porte. 
Elevation
5200 ft. 
Coordinates
 
Site Description
On dry and wet gravelly soil. Red fir forest. 
Specimen Notes
Uncommon and inconspicuous. 
Phenology
Flowers 
Origin
 
Cultivated?
No 
Imaged?
No 

Cyperaceae
19. Eleocharis acicularis (L.) R. & S. ?
U.S.A., California, El Dorado County:
South end of Lake Tahoe near mouth of Upper Truckee River, Sierra Nevada.
Elev. 6300 ft.
Gravelly beach. Phenology: Flowers.
WTU 130915
Herbert L. Mason 12198    2 Aug 1939
19. Eleocharis acicularis (L.) R. & S. ?
Database ID
59789 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
130915 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. ? 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. ? 
Annotation History
1. Eleocharis bella (Piper) Svenson.
    Annotated by Alan A. Beetle.
2. Eleocharis acicularis (L.) R. & S. ?.
    Annotated by S. Galen Smith, 1999. Remarks: Flora of North America Project. 
Type Notes
 
Collector
Herbert L. Mason 
Collection #
12198 
Other Collectors
 
Date Collected
2 Aug 1939 
Verbatim Date
 
Country
U.S.A. 
State or Province
California 
County
El Dorado 
Locality
South end of Lake Tahoe near mouth of Upper Truckee River, Sierra Nevada. 
Elevation
6300 ft. 
Coordinates
 
Site Description
Gravelly beach. 
Specimen Notes
 
Phenology
Flowers 
Origin
 
Cultivated?
No 
Imaged?
No 

Cyperaceae
20. Eleocharis acicularis (L.) R. & S.
U.S.A., Massachusetts, Franklin County:
Whately Reservoir on Conway Road, West Whately.
Shore of reservoir. Phenology: Fertile.
WTU 277693
H. E. Ahles 84582    6 Aug 1977
20. Eleocharis acicularis (L.) R. & S.
Database ID
59790 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
277693 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999. Remarks: Flora of North America Project. 
Type Notes
 
Collector
H. E. Ahles 
Collection #
84582 
Other Collectors
 
Date Collected
6 Aug 1977 
Verbatim Date
 
Country
U.S.A. 
State or Province
Massachusetts 
County
Franklin 
Locality
Whately Reservoir on Conway Road, West Whately. 
Elevation
 
Coordinates
 
Site Description
Shore of reservoir. 
Specimen Notes
 
Phenology
Fertile 
Origin
 
Cultivated?
No 
Imaged?
No 

Cyperaceae
21. Eleocharis acicularis (L.) R. & S.
U.S.A., Utah, Cache County:
Cache National Forest. West shore of Tony Grove Lake.
Elev. 8000 ft. 41° 53' 38" N, 111° 39' 5" W.
Shore line of subalpine lake. Associated species: Juncus sp. Small, diminuative plant in small patches just above and at the water line. Phenology: Fertile. Origin: Native.
WTU 346709
Michael B. Piep 00.179    6 Sep 2000
with Sandy Long
21. Eleocharis acicularis (L.) R. & S.
Database ID
59792 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
346709 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Sources: Intermountain Flora. Volume 6..  
Type Notes
 
Collector
Michael B. Piep 
Collection #
00.179 
Other Collectors
Sandy Long 
Date Collected
6 Sep 2000 
Verbatim Date
 
Country
U.S.A. 
State or Province
Utah 
County
Cache 
Locality
Cache National Forest. West shore of Tony Grove Lake. 
Elevation
8000 ft. 
Coordinates
41° 53' 38" N, 111° 39' 5" W 
Site Description
Shore line of subalpine lake. Associated species: Juncus sp. 
Specimen Notes
Small, diminuative plant in small patches just above and at the water line. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
22. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Benton County:
Corvallis; Jackson-Frazier Wetland, at the end of Lancaster St.
Elev. 226 ft. T11S R5W S45, 46.
Open, sunny areas. Assoc. spp: Plagiobothrys, Carex, Juncus, Mentha, Rumex, Rorippa. Common in wet depressions. Phenology: Fertile. Origin: Native.
WTU 334410
Richard R. Halse 4886    21 May 1995
22. Eleocharis acicularis (L.) R. & S.
Database ID
59802 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
334410 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1998. Remarks: For Flora North American Project. 
Type Notes
 
Collector
Richard R. Halse 
Collection #
4886 
Other Collectors
 
Date Collected
21 May 1995 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Benton 
Locality
Corvallis; Jackson-Frazier Wetland, at the end of Lancaster St. 
Elevation
226 ft. 
Coordinates
T11S R5W S45, 46 
Site Description
Open, sunny areas. Assoc. spp: Plagiobothrys, Carex, Juncus, Mentha, Rumex, Rorippa. 
Specimen Notes
Common in wet depressions. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
23. Eleocharis acicularis (L.) R. & S. var. bella Piper
     (= Eleocharis bella (Piper) Svenson)
U.S.A., Oregon, Lake County:
Aspen Spring, Winter Rim. On boundary of two townships.
Elev. 6500 ft. T31S R15E S36; T31S R16E S31. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.
Moist soil. Some plants with rhizomes. Scattered at other sites within 3 miles, on the edges of ephmeral watercourses, but those populations desiccated this late in the season. Phenology: Fertile. Origin: Native.
WTU 337153
Robert L. Wooley s.n.    21 Sep 1998
with Lela F. Shiery
23. Eleocharis acicularis (L.) R. & S. var. bella Piper
Database ID
59807 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
337153 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. var. bella Piper 
Accepted Name
Eleocharis bella (Piper) Svenson 
Annotation History
1. Eleocharis acicularis (L.) R. & S. var. bella Piper.
    Annotated by Zika, 1998.  
Type Notes
 
Collector
Robert L. Wooley 
Collection #
s.n. 
Other Collectors
Lela F. Shiery 
Date Collected
21 Sep 1998 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Lake 
Locality
Aspen Spring, Winter Rim. On boundary of two townships. 
Elevation
6500 ft. 
Coordinates
T31S R15E S36; T31S R16E S31 
Site Description
Moist soil. 
Specimen Notes
Some plants with rhizomes. Scattered at other sites within 3 miles, on the edges of ephmeral watercourses, but those populations desiccated this late in the season. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
24. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Linn County:
Highway 20, between Lebanon and Sweet Home.
In bare muddy spots, in low pastures by the highway, in vernally wet depressions. Phenology: Fertile. Origin: Native.
WTU 260917
K. L. Chambers 3101    3 Jun 1971
24. Eleocharis acicularis (L.) R. & S.
Database ID
59810 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
260917 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999. Remarks: Flora of North America Project (WIS). 
Type Notes
 
Collector
K. L. Chambers 
Collection #
3101 
Other Collectors
 
Date Collected
3 Jun 1971 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Linn 
Locality
Highway 20, between Lebanon and Sweet Home. 
Elevation
 
Coordinates
 
Site Description
In bare muddy spots, in low pastures by the highway, in vernally wet depressions. 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
25. Eleocharis acicularis (L.) R. & S.
U.S.A., Idaho, Fremont County:
One mile south of Last Chance, Island Park.
T12N R43E S20. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Moist soil, edge of pond. Phenology: Fertile. Origin: Native.
WTU 300150
William H. Baker 9932    25 Aug 1952
25. Eleocharis acicularis (L.) R. & S.
Database ID
59813 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
300150 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
2. Eleocharis acicularis (L.) R. & S.
    Annotated by S. Galen Smith, 1999. Remarks: Aa typical, toward E. bella? Fl. scales ca. 1.5mm, achenes ca 0.75 anthers ca. 0.6. Resting buds! Flora of North America Project (WIS). 
Type Notes
 
Collector
William H. Baker 
Collection #
9932 
Other Collectors
 
Date Collected
25 Aug 1952 
Verbatim Date
 
Country
U.S.A. 
State or Province
Idaho 
County
Fremont 
Locality
One mile south of Last Chance, Island Park. 
Elevation
 
Coordinates
T12N R43E S20 
Site Description
Moist soil, edge of pond. 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
26. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Wahkiakum County:
Rock east shore of Grays Bay, Columbia River. At Pigeon Bluff, below Altoona-Pillar Rock Road.
Elev. 6 ft. 46° 16.5' N, 123° 40.7' W; T9N R8W S9.
Damp mowed meadow, low ground. Common; rhizomatous; with Lilaeopsis; forming patches of dense turf. Phenology: Fertile. Origin: Native.
WTU 370965
Peter F. Zika 22301    30 Aug 2005
with David Giblin, Cathy Maxwell, Ben Legler
26. Eleocharis acicularis (L.) R. & S.
Database ID
154936 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
370965 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by P. F. Zika, 2005. Sources: FNA.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
22301 
Other Collectors
David Giblin, Cathy Maxwell, Ben Legler 
Date Collected
30 Aug 2005 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Wahkiakum 
Locality
Rock east shore of Grays Bay, Columbia River. At Pigeon Bluff, below Altoona-Pillar Rock Road. 
Elevation
6 ft. 
Coordinates
46° 16.5' N, 123° 40.7' W; T9N R8W S9 
Site Description
Damp mowed meadow, low ground. 
Specimen Notes
Common; rhizomatous; with Lilaeopsis; forming patches of dense turf. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
27. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Stevens County:
Colville National Forest. Little Twin Lakes.
Elev. 3696 ft. 48.5748° N, 117.644° W. Datum: WGS 84.
Shallow water with soft muck bottom and adjacent shoreline. Brassenia schreberi dominant. Locally common in mucky, saturated soil near outlet at south end of lake. Phenology: Flowers & Fruits. Origin: Native.
WTU 379519
David Giblin 1156    5 Sep 2007
with Joe Arnett
27. Eleocharis acicularis (L.) R. & S.
Database ID
158339 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
379519 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by Megan A. Jensen, 1 2007. Sources: FNA.  
Type Notes
 
Collector
David Giblin 
Collection #
1156 
Other Collectors
Joe Arnett 
Date Collected
5 Sep 2007 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Stevens 
Locality
Colville National Forest. Little Twin Lakes. 
Elevation
3696 ft. 
Coordinates
48.5748° N, 117.644° W 
Site Description
Shallow water with soft muck bottom and adjacent shoreline. Brassenia schreberi dominant. 
Specimen Notes
Locally common in mucky, saturated soil near outlet at south end of lake. 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
28. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pend Oreille County:
Colville National Forest. Lake Leo boat ramp, northwest side of lake.
Elev. 3280 ft. 48.6495° N, 117.496° W. Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.
Mix of sandy and silty lake bottom; water to 1 meter deep; shoreline and shallow water dominated by Carex uliginosa and Spiraea douglasii. Locally common in water at edge of boat ramp. Phenology: Fertile. Origin: Native.
WTU 374636
David Giblin 1175B    6 Sep 2007
with Joe Arnett
28. Eleocharis acicularis (L.) R. & S.
Database ID
164776 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
374636 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 23 2007. Sources: FNA.  
Type Notes
 
Collector
David Giblin 
Collection #
1175B 
Other Collectors
Joe Arnett 
Date Collected
6 Sep 2007 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pend Oreille 
Locality
Colville National Forest. Lake Leo boat ramp, northwest side of lake. 
Elevation
3280 ft. 
Coordinates
48.6495° N, 117.496° W 
Site Description
Mix of sandy and silty lake bottom; water to 1 meter deep; shoreline and shallow water dominated by Carex uliginosa and Spiraea douglasii. 
Specimen Notes
Locally common in water at edge of boat ramp. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
29. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Franklin County:
Wahluke Wildlife Area, Hanford Site, opposite the Hanford Townsite.
Elev. 370 ft. T13N R27E S24 NW 1/4 of NW 1/4. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.
In a riverine emergent nonpersistant wetland. Aspect: 70 degrees. Slope 2%. Associated with Phalaris arundinacea, Salix exigua, Ammannia robusta, Carex athrostachya. Substrate exposed during late summer. Phenology: Flowers & Fruits. Origin: Native.
WTU 374714
Kathryn A. Beck 94075    24 Aug 1994
29. Eleocharis acicularis (L.) R. & S.
Database ID
172183 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
374714 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Kathryn A. Beck 
Collection #
94075 
Other Collectors
 
Date Collected
24 Aug 1994 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Franklin 
Locality
Wahluke Wildlife Area, Hanford Site, opposite the Hanford Townsite. 
Elevation
370 ft. 
Coordinates
T13N R27E S24 NW 1/4 of NW 1/4 
Site Description
In a riverine emergent nonpersistant wetland. Aspect: 70 degrees. Slope 2%. Associated with Phalaris arundinacea, Salix exigua, Ammannia robusta, Carex athrostachya. Substrate exposed during late summer. 
Specimen Notes
 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
30. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Harney County:
Near Knox Pond.
Elev. 4182 ft. 42° 53.5' N, 118° 52.9' W.
Muddy ditch and adjacent channel, over volcanic bedrock. Rhizomatous, common in shallow water. Phenology: Flowers & Fruits. Origin: Native.
WTU 386206
Peter Zika 23217    22 Jul 2007
with J. Smith, D. Mansfield, D. Giblin
30. Eleocharis acicularis (L.) R. & S.
Database ID
175093 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
386206 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by Peter Zika, 2008. Sources: FNA.  
Type Notes
 
Collector
Peter Zika 
Collection #
23217 
Other Collectors
J. Smith, D. Mansfield, D. Giblin 
Date Collected
22 Jul 2007 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Harney 
Locality
Near Knox Pond. 
Elevation
4182 ft. 
Coordinates
42° 53.5' N, 118° 52.9' W 
Site Description
Muddy ditch and adjacent channel, over volcanic bedrock. 
Specimen Notes
Rhizomatous, common in shallow water. 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
31. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Kittitas County:
Near trailhead for Stirrup Lake in the Wenatchee National Forest, just east of King/Kittitas County Line.
T21N R11E S20. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by John Bassett. Coordinate Source: Nat. Geog. TOPO!.
Edge of wetland, growing with Carex vesicaria and Carex lenticularis in saturated soil. Also observed along margins of Stirrup Lake. Phenology: Fertile. Origin: Native.
WTU 376640
Jeff Walker 406    11 Aug 2009
31. Eleocharis acicularis (L.) R. & S.
Database ID
176097 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
376640 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by Jeff Walker..  
Type Notes
 
Collector
Jeff Walker 
Collection #
406 
Other Collectors
 
Date Collected
11 Aug 2009 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kittitas 
Locality
Near trailhead for Stirrup Lake in the Wenatchee National Forest, just east of King/Kittitas County Line. 
Elevation
 
Coordinates
T21N R11E S20 
Site Description
Edge of wetland, growing with Carex vesicaria and Carex lenticularis in saturated soil. 
Specimen Notes
Also observed along margins of Stirrup Lake. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
32. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Whatcom County:
Ross Lake National Recreation Area: in drawdown of Gorge Lake on upstream side of where Highway 20 crosses lake.
Elev. 233 m. 48.713326° N, 121.157857° W. Datum: WGS 84. Coordinate uncertainty: 36 meters. Georeferenced by Ben Legler. Coordinate Source: GPS.
Bare mud flats with scattered patches of Eleocharis and Ranunculus flammula; low spots contain standing water. Plants tufted with occasional white tuber-like rhizomes; forming lawn-like patches; abundant. Phenology: Flowers and Fruits.
WTU 403960; Barcode: WTU-V-012965
Ben Legler 12937    2 Sep 2013
32. Eleocharis acicularis (L.) R. & S.
Database ID
189448 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
403960 
Barcode
WTU-V-012965 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) Roem. & Schult.
    Annotated by Ben Legler, 6 2013. Sources: FNA.  
Type Notes
 
Collector
Ben Legler 
Collection #
12937 
Other Collectors
 
Date Collected
2 Sep 2013 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Whatcom 
Locality
Ross Lake National Recreation Area: in drawdown of Gorge Lake on upstream side of where Highway 20 crosses lake. 
Elevation
233 m. 
Coordinates
48.713326° N, 121.157857° W 
Site Description
Bare mud flats with scattered patches of Eleocharis and Ranunculus flammula; low spots contain standing water. 
Specimen Notes
Plants tufted with occasional white tuber-like rhizomes; forming lawn-like patches; abundant. 
Phenology
Flowers and Fruits 
Origin
 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
33. Eleocharis acicularis (L.) R. & S.
Canada, British Columbia
Northeast shore of Vaseux Lake, Okanagan River drainage, below Route 97, 200 meters south of Oliver Ranch Road, Okanagan-Similkameen District.
Elev. 325 m. 49.302° N, 119.5325° W. Coordinate Source: Specimen Label.
Sandy damp sunny delta, over metamorphics, with Juncus articulatus, Rorippa, Bidens cernua, Lythrum, Salix exigua. White rhizomes with no tubers; occasional. Phenology: Fruits. Origin: Native.
WTU 400229; Barcode: WTU-V-006723
Peter F. Zika 26780    19 Aug 2014
33. Eleocharis acicularis (L.) R. & S.
Database ID
192247 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
400229 
Barcode
WTU-V-006723 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
26780 
Other Collectors
 
Date Collected
19 Aug 2014 
Verbatim Date
 
Country
Canada 
State or Province
British Columbia 
County
 
Locality
Northeast shore of Vaseux Lake, Okanagan River drainage, below Route 97, 200 meters south of Oliver Ranch Road, Okanagan-Similkameen District. 
Elevation
325 m. 
Coordinates
49.302° N, 119.5325° W 
Site Description
Sandy damp sunny delta, over metamorphics, with Juncus articulatus, Rorippa, Bidens cernua, Lythrum, Salix exigua. 
Specimen Notes
White rhizomes with no tubers; occasional. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
34. Eleocharis acicularis (L.) R. & S.
Canada, British Columbia
North side of International Point, Silver Skagit Road on east shore of Ross Lake reservoir, also common a few feet to south over United States border.
Elev. 490 m. 49.0001° N, 121.065° W. Coordinate Source: Specimen Label.
Dominating the damp muddy shore, full sun, with Limosella acaulis, Ranunculus flammula, Crassula aquatica. Phenology: Fruits. Origin: Native.
WTU 400457; Barcode: WTU-V-006857
Peter F. Zika 26905    9 Sep 2014
34. Eleocharis acicularis (L.) R. & S.
Database ID
192417 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
400457 
Barcode
WTU-V-006857 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
26905 
Other Collectors
 
Date Collected
9 Sep 2014 
Verbatim Date
 
Country
Canada 
State or Province
British Columbia 
County
 
Locality
North side of International Point, Silver Skagit Road on east shore of Ross Lake reservoir, also common a few feet to south over United States border. 
Elevation
490 m. 
Coordinates
49.0001° N, 121.065° W 
Site Description
Dominating the damp muddy shore, full sun, with Limosella acaulis, Ranunculus flammula, Crassula aquatica. 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
35. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Deschutes County:
At north end of Crane Reservoir where Deschutes River enters reservoir.
Elev. 1330 m 43.81001° N, 121.77676° W. Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.
Exposed mudflats in reservoir draw dawn, backed by dense Carex stands, with Gratiola, Gnaphalium, Eleocharis. Rhizomatous; abundant, forming lawn-like patches. Phenology: Flowers. Origin: Native.
WTU 412278; Barcode: WTU-V-026701
Katie Messick 2013-29    14 Jul 2013
with Ben Legler, Don Knoke, Wendy McClure
35. Eleocharis acicularis (L.) R. & S.
Database ID
193019 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
412278 
Barcode
WTU-V-026701 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by Peter F. Zika, 2014. Sources: FNA.  
Type Notes
 
Collector
Katie Messick 
Collection #
2013-29 
Other Collectors
Ben Legler, Don Knoke, Wendy McClure 
Date Collected
14 Jul 2013 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Deschutes 
Locality
At north end of Crane Reservoir where Deschutes River enters reservoir. 
Elevation
1330 m 
Coordinates
43.81001° N, 121.77676° W 
Site Description
Exposed mudflats in reservoir draw dawn, backed by dense Carex stands, with Gratiola, Gnaphalium, Eleocharis. 
Specimen Notes
Rhizomatous; abundant, forming lawn-like patches. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
36. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Yakima County:
Southeast side of Mount Adams. Mirror Lake. At northwest corner of lake, at mouth of inlet stream.
Elev. 1676 m. 46° 8.32' N, 121° 25.46' W. Coordinate Source: Field notes.
On open flat of sandy mud; bright sun; no competing vegetation Small group of plants. Phenology: Flowers. Origin: Native.
WTU
David Biek 04-265    23 Jul 2004
with Susan McDougall
36. Eleocharis acicularis (L.) R. & S.
Database ID
2489494 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Biek, 25 2004. Sources: Flora of PNW.  
Type Notes
 
Collector
David Biek 
Collection #
04-265 
Other Collectors
Susan McDougall 
Date Collected
23 Jul 2004 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Yakima 
Locality
Southeast side of Mount Adams. Mirror Lake. At northwest corner of lake, at mouth of inlet stream. 
Elevation
1676 m. 
Coordinates
46° 8.32' N, 121° 25.46' W 
Site Description
On open flat of sandy mud; bright sun; no competing vegetation 
Specimen Notes
Small group of plants. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
37. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pend Oreille County:
Northwest shore of Lake Leo, north of boat ramp, Little Pend Oreille River drainage.
Elev. 965 m. 48.6499° N, 117.4968° W. Coordinate Source: Specimen Label.
In deep mud 2 meters offshore, full sun. White rhizomes with no tubers. Phenology: Fruits. Origin: Native.
WTU 403828; Barcode: WTU-V-012907
Peter F. Zika 26856    28 Aug 2014
37. Eleocharis acicularis (L.) R. & S.
Database ID
2500628 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
403828 
Barcode
WTU-V-012907 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
26856 
Other Collectors
 
Date Collected
28 Aug 2014 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pend Oreille 
Locality
Northwest shore of Lake Leo, north of boat ramp, Little Pend Oreille River drainage. 
Elevation
965 m. 
Coordinates
48.6499° N, 117.4968° W 
Site Description
In deep mud 2 meters offshore, full sun. 
Specimen Notes
White rhizomes with no tubers. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
38. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Lewis County:
Exposed mud flats on east shore of Riffe Lake near an acess parking area along Champion Haul Road, 3.5 air km soutwest of Glenoma.
Elev. 225 m. 46.488156° N, 122.186708° W. Datum: WGS 84. Coordinate uncertainty: 11 meters. Georeferenced by Ben Legler. Coordinate Source: GPS.
Exposed mud flats created by reservoir drawdown, with small depression still filled with water. Achenes finely rugose with horizontal ridges; delicate rhizomatous perennial, forming lawn-like patches in moist mud; common. Phenology: Fertile.
WTU 408065; Barcode: WTU-V-021215
Ben Legler 13387    23 Sep 2014
with Sara Legler
38. Eleocharis acicularis (L.) R. & S.
Database ID
2782182 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
408065 
Barcode
WTU-V-021215 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) Roem. & Schult.
    Annotated by Ben Legler, 2015.  
Type Notes
 
Collector
Ben Legler 
Collection #
13387 
Other Collectors
Sara Legler 
Date Collected
23 Sep 2014 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Lewis 
Locality
Exposed mud flats on east shore of Riffe Lake near an acess parking area along Champion Haul Road, 3.5 air km soutwest of Glenoma. 
Elevation
225 m. 
Coordinates
46.488156° N, 122.186708° W 
Site Description
Exposed mud flats created by reservoir drawdown, with small depression still filled with water. 
Specimen Notes
Achenes finely rugose with horizontal ridges; delicate rhizomatous perennial, forming lawn-like patches in moist mud; common. 
Phenology
Fertile 
Origin
 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
39. Eleocharis acicularis (L.) R. & S.
U.S.A., California, Modoc County:
West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley.
Elev. 4160 ft. 41° 11' 38.76" N, 121° 15.02" W; T39N R8E northwest 1/4 Section 25. Datum: WGS 84. Coordinate Source: Specimen Label.
On dry gray soil, bottom of a dry deep drainage. Mountain Meadow. Normal sized plants. Common. Phenology: Fertile. Origin: Native.
WTU 404974; Barcode: WTU-V-013360
Lowell Ahart 18,967    25 Jul 2013
with John Dittes
39. Eleocharis acicularis (L.) R. & S.
Database ID
2849391 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
404974 
Barcode
WTU-V-013360 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Lowell Ahart 
Collection #
18,967 
Other Collectors
John Dittes 
Date Collected
25 Jul 2013 
Verbatim Date
 
Country
U.S.A. 
State or Province
California 
County
Modoc 
Locality
West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 
Elevation
4160 ft. 
Coordinates
41° 11' 38.76" N, 121° 15.02" W; T39N R8E northwest 1/4 Section 25 
Site Description
On dry gray soil, bottom of a dry deep drainage. Mountain Meadow. 
Specimen Notes
Normal sized plants. Common.  
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
40. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Deschutes County:
North side of Route 126, 0.4 road miles east of Goodrich Road, 3.2 air kilometers north-northeast of Fryrear Butte.
Elev. 935 m. 44.2918° N, 121.4442° W. Coordinate Source: Specimen Label.
Drying cracked mud, full sun, vernal pools over volcanics, in dense mats of Crassula aquatica, with Elatine chilensis, Limosella, Carex athrostachya. Rhizomatous, terrestrial, occasional. Phenology: Fertile. Origin: Native.
WTU 409854; Barcode: WTU-V-023905
Peter F. Zika 28063    9 Jul 2016
40. Eleocharis acicularis (L.) R. & S.
Database ID
2849396 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
409854 
Barcode
WTU-V-023905 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
28063 
Other Collectors
 
Date Collected
9 Jul 2016 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Deschutes 
Locality
North side of Route 126, 0.4 road miles east of Goodrich Road, 3.2 air kilometers north-northeast of Fryrear Butte. 
Elevation
935 m. 
Coordinates
44.2918° N, 121.4442° W 
Site Description
Drying cracked mud, full sun, vernal pools over volcanics, in dense mats of Crassula aquatica, with Elatine chilensis, Limosella, Carex athrostachya. 
Specimen Notes
Rhizomatous, terrestrial, occasional. 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
41. Eleocharis acicularis (L.) R. & S.
U.S.A., Oregon, Umatilla County:
South shore of Columbia River reservoir, Lake Umatilla, north of Interstate 84, 15.2 air kilometers east of northeast tip of Big Blalock Island.
Elev. 80 m. 45.9127° N, 119.415° W. Coordinate Source: Specimen Label.
Gently sloped sand and mud shoreline, full sun, over basalt, with Xanthium strumarium, Bidens frondosa, Cyperus strigosus, Eleocharis macrostachya, Salix exigua. Rhizomatous, dominant. Origin: Native.
WTU 416477; Barcode: WTU-V-035400
Peter F. Zika 29101    20 Aug 2017
41. Eleocharis acicularis (L.) R. & S.
Database ID
3152098 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
416477 
Barcode
WTU-V-035400 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.  
Type Notes
 
Collector
Peter F. Zika 
Collection #
29101 
Other Collectors
 
Date Collected
20 Aug 2017 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Umatilla 
Locality
South shore of Columbia River reservoir, Lake Umatilla, north of Interstate 84, 15.2 air kilometers east of northeast tip of Big Blalock Island. 
Elevation
80 m. 
Coordinates
45.9127° N, 119.415° W 
Site Description
Gently sloped sand and mud shoreline, full sun, over basalt, with Xanthium strumarium, Bidens frondosa, Cyperus strigosus, Eleocharis macrostachya, Salix exigua. 
Specimen Notes
Rhizomatous, dominant. 
Phenology
 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
42. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pend Oreille County:
Rat Island in the Pend Oreille River about 1 miles north of Newport.
Elev. 2075 ft. T32N R46E S13. Datum: WGS 84. Coordinate uncertainty: 300 meters. Georeferenced by Sara Shiina. Coordinate Source: Digital Map.
Growing with Coreopsis atkinsoniana, Downingia elegans, Sagittaria cuneata and Lysimachia ciliata. Floral scales ~2.0mm, anthers 1.0mm. ? annual. not rhizomatous? Phenology: Fertile. Origin: Native.
WTU 416414; Barcode: WTU-V-035342
Kathy Ahlenslager 487    25 Jul 2000
42. Eleocharis acicularis (L.) R. & S.
Database ID
3183035 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
416414 
Barcode
WTU-V-035342 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Remarks: Additional notes near label: "Probably ok - COH 5/17" 
Type Notes
 
Collector
Kathy Ahlenslager 
Collection #
487 
Other Collectors
 
Date Collected
25 Jul 2000 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pend Oreille 
Locality
Rat Island in the Pend Oreille River about 1 miles north of Newport. 
Elevation
2075 ft. 
Coordinates
T32N R46E S13 
Site Description
Growing with Coreopsis atkinsoniana, Downingia elegans, Sagittaria cuneata and Lysimachia ciliata. 
Specimen Notes
Floral scales ~2.0mm, anthers 1.0mm. ? annual. not rhizomatous?  
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
43. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Pierce County:
JBLM, TA-12, Dailman Lake.
Elev. 98 m. 47.02184° N, 122.51676° W. Datum: WGS 84. Coordinate Source: GPS.
Small mat, with Juncus bulbosus. Rhizomatous. Origin: Native.
WTU
Peter Dunwiddie PWD-16-446    23 Sep 2016
with Sarah Krock, Peter Zika, Rod Gilbert
43. Eleocharis acicularis (L.) R. & S.
Database ID
3245277 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by Peter Zika.  
Type Notes
 
Collector
Peter Dunwiddie 
Collection #
PWD-16-446 
Other Collectors
Sarah Krock, Peter Zika, Rod Gilbert 
Date Collected
23 Sep 2016 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pierce 
Locality
JBLM, TA-12, Dailman Lake. 
Elevation
98 m. 
Coordinates
47.02184° N, 122.51676° W 
Site Description
Small mat, with Juncus bulbosus. 
Specimen Notes
Rhizomatous. 
Phenology
 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
44. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Skamania County:
Greenleaf Lake on north side of Highway 14; boat ramp area and shoreline approximately 100 meters to the west.
Elev. 21 m. 45.64738° N, 121.95698° W. Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Former oxbow now impounded by road; disturbed shoreline with Leersia oryzoides, Iris pseudacorus and Rubus bifrons. Annual; locally common in saturated soil at shoreline. Phenology: Flowers and Fruits. Origin: Native.
WTU 420195; Barcode: WTU-V-044332
David Giblin 6384    25 Oct 2018
44. Eleocharis acicularis (L.) R. & S.
Database ID
3246011 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
420195 
Barcode
WTU-V-044332 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 5 2018. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
6384 
Other Collectors
 
Date Collected
25 Oct 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Skamania 
Locality
Greenleaf Lake on north side of Highway 14; boat ramp area and shoreline approximately 100 meters to the west. 
Elevation
21 m. 
Coordinates
45.64738° N, 121.95698° W 
Site Description
Former oxbow now impounded by road; disturbed shoreline with Leersia oryzoides, Iris pseudacorus and Rubus bifrons.  
Specimen Notes
Annual; locally common in saturated soil at shoreline. 
Phenology
Flowers and Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
45. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Skamania County:
Home Valley Waterfront Park. Sailboard Beach access area approximately 200 meters east and west along shoreline.
Elev. 34 m. 45.7094° N, 121.78011° W. Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Shoreline, wetland, and adjacent shallow waters; shoreline dominated by Amorpha fruticosa, Salix sp. (narrow leaves), and Persicarnia sp.; Myriophyllum sp. common in shallow water. Locally common in shallow water; annual. Phenology: Flowers. Origin: Native.
WTU 420245; Barcode: WTU-V-044376
David Giblin 6421    12 Sep 2018
45. Eleocharis acicularis (L.) R. & S.
Database ID
3246073 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
420245 
Barcode
WTU-V-044376 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 25 2018. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
6421 
Other Collectors
 
Date Collected
12 Sep 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Skamania 
Locality
Home Valley Waterfront Park. Sailboard Beach access area approximately 200 meters east and west along shoreline. 
Elevation
34 m. 
Coordinates
45.7094° N, 121.78011° W 
Site Description
Shoreline, wetland, and adjacent shallow waters; shoreline dominated by Amorpha fruticosa, Salix sp. (narrow leaves), and Persicarnia sp.; Myriophyllum sp. common in shallow water.  
Specimen Notes
Locally common in shallow water; annual. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
46. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Okanogan County:
Leader Lake from west end up the south bank approximately 1 km.
Elev. 690 m. 48.36082° N, 119.6464° W. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Coordinate Source: GPS.
Seasonally fluctuating lake with silty drawdown area along edge; adjacent sandy upland; water's edge dominated by Myriophyllum sp. Annual; cespitose with fibrous roots; scattered in sandy soil. Phenology: Flowers and Fruits. Origin: Native.
WTU 420887; Barcode: WTU-V-049487
David Giblin 6509    3 Oct 2018
46. Eleocharis acicularis (L.) R. & S.
Database ID
3250633 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
420887 
Barcode
WTU-V-049487 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 15 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
6509 
Other Collectors
 
Date Collected
3 Oct 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Okanogan 
Locality
Leader Lake from west end up the south bank approximately 1 km. 
Elevation
690 m. 
Coordinates
48.36082° N, 119.6464° W 
Site Description
Seasonally fluctuating lake with silty drawdown area along edge; adjacent sandy upland; water's edge dominated by Myriophyllum sp. 
Specimen Notes
Annual; cespitose with fibrous roots; scattered in sandy soil. 
Phenology
Flowers and Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
47. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Okanogan County:
Leader Lake from west end up the south bank approximately 1 km.
Elev. 690 m. 48.36082° N, 119.6964° W. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Coordinate Source: GPS.
Seasonally fluctuating lake with silty drawdown area along edge; adjacent sandy upland; water's edge dominated by Myriophyllum sp. Locally common and abundant throughout drawdown area; turf forming annual. Phenology: Flowers and Fruits. Origin: Native.
WTU 423840; Barcode: WTU-V-064842
David Giblin 6519    3 Oct 2018
47. Eleocharis acicularis (L.) R. & S.
Database ID
3250764 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
423840 
Barcode
WTU-V-064842 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 31 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
6519 
Other Collectors
 
Date Collected
3 Oct 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Okanogan 
Locality
Leader Lake from west end up the south bank approximately 1 km. 
Elevation
690 m. 
Coordinates
48.36082° N, 119.6964° W 
Site Description
Seasonally fluctuating lake with silty drawdown area along edge; adjacent sandy upland; water's edge dominated by Myriophyllum sp. 
Specimen Notes
Locally common and abundant throughout drawdown area; turf forming annual. 
Phenology
Flowers and Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
48. Eleocharis acicularis (L.) R. & S. ?
U.S.A., Oregon, Clatsop County:
Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island.
Elev. 0 ft. 46.20953° N, 123.43145° W. Datum: WGS 84. Coordinate uncertainty: 5 meters.
Sandy-shored island with freshwater intertidal wetland and dredge spoils habitat. Periphery of wetland dominated by Populus and Salix. Locally common; annual in intertidal zone. Phenology: Flowers. Origin: Native.
WTU
Kathleen Sayce 08-107    9 Sep 2008
with Cathy Maxwell, Joe Arnett, David Giblin
48. Eleocharis acicularis (L.) R. & S. ?
Database ID
3271805 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. ? 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. ? 
Annotation History
1. Eleocharis acicularis (L.) R. & S. ?.
    Annotated by David Giblin, 15 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
Kathleen Sayce 
Collection #
08-107 
Other Collectors
Cathy Maxwell, Joe Arnett, David Giblin 
Date Collected
9 Sep 2008 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Clatsop 
Locality
Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island. 
Elevation
0 ft. 
Coordinates
46.20953° N, 123.43145° W 
Site Description
Sandy-shored island with freshwater intertidal wetland and dredge spoils habitat. Periphery of wetland dominated by Populus and Salix. 
Specimen Notes
Locally common; annual in intertidal zone. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
49. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Wahkiakum County:
Julia Butler Hansen Refuge for Columbian White-tailed Deer. Steamboat Slough; bank of Columbia River just off road.
Elev. 22 ft. 46.24875° N, 123.43319° W. Datum: WGS 84.
Freshwater intertidal zone adjacent to road and disturbed roadside edge. Common in muddy soil of inertidal zone. Phenology: Flowers. Origin: Native.
WTU
David Giblin 2505    8 Sep 2008
with Cathy Maxwell, Joe Arnett
49. Eleocharis acicularis (L.) R. & S.
Database ID
3271806 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 15 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
2505 
Other Collectors
Cathy Maxwell, Joe Arnett 
Date Collected
8 Sep 2008 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Wahkiakum 
Locality
Julia Butler Hansen Refuge for Columbian White-tailed Deer. Steamboat Slough; bank of Columbia River just off road. 
Elevation
22 ft. 
Coordinates
46.24875° N, 123.43319° W 
Site Description
Freshwater intertidal zone adjacent to road and disturbed roadside edge. 
Specimen Notes
Common in muddy soil of inertidal zone. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Cyperaceae
50. Eleocharis acicularis (L.) R. & S. ?
U.S.A., Oregon, Clatsop County:
Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island.
Elev. 0 ft. 46.20953° N, 123.43145° W. Datum: WGS 84. Coordinate uncertainty: 5 meters.
Sandy-shored island with freshwater intertidal wetland and dredge spoils habitat. Periphery of wetland domindated by Populus and Salix. Locally common; annual in intertidal zone.
WTU 424861; Barcode: WTU-V-068307
Kathleen Sayce 08-107    9 Sep 2008
with With Cathy Maxwell, Joe Arnett, David Giblin.
50. Eleocharis acicularis (L.) R. & S. ?
Database ID
3469303 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
424861 
Barcode
WTU-V-068307 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. ? 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. ? 
Annotation History
1. Eleocharis acicularis (L.) R. & S. ?.
    Annotated by David Giblin, 15 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
Kathleen Sayce 
Collection #
08-107 
Other Collectors
With Cathy Maxwell, Joe Arnett, David Giblin. 
Date Collected
9 Sep 2008 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Clatsop 
Locality
Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island. 
Elevation
0 ft. 
Coordinates
46.20953° N, 123.43145° W 
Site Description
Sandy-shored island with freshwater intertidal wetland and dredge spoils habitat. Periphery of wetland domindated by Populus and Salix. Locally common; annual in intertidal zone. 
Specimen Notes
 
Phenology
 
Origin
 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
51. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Wahkiakum County:
Julia Butler Hansen Refuge for Columbian White-tailed Deer. Steamboat Slough; bank of Columbia River just off road.
Elev. 22 ft. 46.24875° N, 123.43319° W. Datum: WGS 84.
Freshwater intertidal zone adjacent to road and disturbed roadside edge. Common in muddy soil of intertidal zone.
WTU 424862; Barcode: WTU-V-068305
David Giblin 2505    8 Sep 2008
with With Cathy Maxwell, David Giblin.
51. Eleocharis acicularis (L.) R. & S.
Database ID
3469305 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
424862 
Barcode
WTU-V-068305 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by David Giblin, 15 2019. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
2505 
Other Collectors
With Cathy Maxwell, David Giblin. 
Date Collected
8 Sep 2008 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Wahkiakum 
Locality
Julia Butler Hansen Refuge for Columbian White-tailed Deer. Steamboat Slough; bank of Columbia River just off road. 
Elevation
22 ft. 
Coordinates
46.24875° N, 123.43319° W 
Site Description
Freshwater intertidal zone adjacent to road and disturbed roadside edge. Common in muddy soil of intertidal zone. 
Specimen Notes
 
Phenology
 
Origin
 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
52. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Lincoln County:
Fishtrap Recreation Area. Approximately 5 km south of Ranch House along gravel access road. Small pond on south side of road.
Elev. 660 m. 47.32302° N, 117.88679° W. Datum: WGS 84. Coordinate uncertainty: 50 meters. Coordinate Source: GPS.
Seasonally fluctuating pond with monoculture of Schoenoplectus acutus along shoreline and small beach-like areas dominated by Eleocharis acicularis; Utricularia vulgaris and Myriophyllum spicatum dominant aquatic species. Phenology: Fruits. Origin: Native.
WTU 427597
David Giblin 7962    11 Sep 2020
52. Eleocharis acicularis (L.) R. & S.
Database ID
3503030 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
427597 
Barcode
 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by P. F. Zika, 6 2021. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
7962 
Other Collectors
 
Date Collected
11 Sep 2020 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Lincoln 
Locality
Fishtrap Recreation Area. Approximately 5 km south of Ranch House along gravel access road. Small pond on south side of road. 
Elevation
660 m. 
Coordinates
47.32302° N, 117.88679° W 
Site Description
Seasonally fluctuating pond with monoculture of Schoenoplectus acutus along shoreline and small beach-like areas dominated by Eleocharis acicularis; Utricularia vulgaris and Myriophyllum spicatum dominant aquatic species. 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Cyperaceae
53. Eleocharis acicularis (L.) R. & S.
U.S.A., Washington, Okanogan County:
Similkameen-Chopaka Wildlife Unit. Oxbow pond and surrounding area accessible from parking area.
Elev. 351 m. 48.95817° N, 119.7147° W. Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Eutrophic, seasonally fluctuating pond with muck soil substrate and adjacent disturbed upland with Bassia scoparia common and abundant. Locally common on mucky shoreline; annual. Phenology: Flowers and Fruits. Origin: Native.
WTU 428140; Barcode: WTU-V-084854
David Giblin 7320    18 Sep 2019
53. Eleocharis acicularis (L.) R. & S.
Database ID
3512701 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
428140 
Barcode
WTU-V-084854 
Other Numbers
 
Family
Cyperaceae 
Name on Specimen
Eleocharis acicularis (L.) R. & S. 
Accepted Name
Eleocharis acicularis (L.) Roem. & Schult. 
Annotation History
1. Eleocharis acicularis (L.) R. & S.
    Annotated by P. F. Zika, 2021. Sources: Flora PNW, 2nd.  
Type Notes
 
Collector
David Giblin 
Collection #
7320 
Other Collectors
 
Date Collected
18 Sep 2019 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Okanogan 
Locality
Similkameen-Chopaka Wildlife Unit. Oxbow pond and surrounding area accessible from parking area.  
Elevation
351 m. 
Coordinates
48.95817° N, 119.7147° W 
Site Description
Eutrophic, seasonally fluctuating pond with muck soil substrate and adjacent disturbed upland with Bassia scoparia common and abundant. 
Specimen Notes
Locally common on mucky shoreline; annual. 
Phenology
Flowers and Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

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Database Field Descriptions:
Database ID
Each of our backend databases assigns a unique and persistent integer ID to each specimen record. A GUID (globally unique identifier) can be formed from this by combining it with the herbarium and collection acronyms (example: WTU-VP-12733).
Herbarium
Every herbarium is referred to by a unique acronym. Ours is WTU, which stands for Washington Territorial University. Our database also includes some specimens housed at NOCA (North Cascades National Park Herbarium) and MORA (Mount Rainier National Park Herbarium). For a complete listing of herbarium acronyms, see Index Herbariorum.
Collection
WTU's specimens are physically housed in separate collections according to taxonomic groups: Vascular Plants, Bryophytes, Algae, Lichens, and Fungi.
Dataset
Some specimens are grouped into "Datasets," representing such things as incorporated herbaria or major collecting projects.
Accession
Each of WTU's Vascular Plant specimens is assigned an accession number. Our other collections lack accession numbers (see Barcode instead). Ideally, each specimen would have a unique accession number, but this fails in practice. Some accession numbers include "JWT" after the number; these indicate specimens originating from the herbarium of J. William Thompson that were integrated into WTU's collections but not re-accessioned with WTU numbers. Accession numbers followed by an "A", "B", or other single letter represent sheets with multiple collections mounted on them, all using the same accession number.
Barcode
Our Bryophyte, Algae, Lichen, Fungi, and some Vascular Plant specimens are assigned pre-printed barcode stickers. These follow the format "WTU-C-######", where C represents a code for the collection (one of: V, B, A, L, F) and ###### represents a zero-padded, six-digit number.
Other Numbers
Specimens collected from North Cascades and Mount Rainier National Parks are assigned National Park Service accession and catalog numbers. These numbers are listed here.
Family
The scientific name of the family. Our database generally uses AGPIII and other current sources for vascular plant family names. However, our physical Vascular Plant collection is organized by the older Englerian sequence.
Accepted Name
For Vascular Plants, this gives the accepted name by which the specimen is currently known. The accepted name is derived by looking up the most recent annotation name in a synonymy table and finding its corresponding accepted name.
Annotation History
The sequence of annotations and scientific names given on the physical specimen is listed here, in order from the first to most recent. We treat the name on the original label as the first annotation.
Type Notes
If this is a type specimen, then information about its type status (holotype, isotype, etc.) and the name(s) for which it is a type is provided here.
Collector
The person who collected this specimen, as given on the label, and whose name is associated with the collection number on the label. If no collector name is given, we enter "unknown" into this field.
Collection #
A unique number assigned to the specimen by the collector. Different collectors use different numbering schemes; these may include the addition of prefixes (such as their initials or the year) or suffixes (such as an A or B). In the database, any prefixes and suffixes are included in the Collector's Number field exactly as they appear on the specimen label. When no collector number is given, we type "s.n." in this field.
Other Collectors
Other collectors that are listed on the label along with the primary collector, but whose collection number was not assigned to this specimen.
Date Collected
The date on which the specimen was collected, split up between day, month, and year in the database. Months are stored as nubmers (1-12) but displayed as three-letter abbreviations. Years are alway 4-digits long. Occasionally the label may give a range of dates. In such cases, the first date in the range is used as the collection date, and the entire collection date is entered into the Verbatim Date field as it appears on the label. If no date is given, then the date fields are left blank and a note is made in the Verbatim Date field.
Verbatim Date
The literal date string as displayed on the label; only used for dates that cannot be represented by a single day, month, and year.
Country
Name of the country from which the specimen was collected. Specimens from the United States of America are entered as "U.S.A."
State or Province
Name of the state or province from which the specimen was collected, if given on the label. U.S. states are spelled out in full.
County
Name of the county, municipality, borough, parish, or equivalent political unit from which the specimen was collected, if given on the label. The designation (such as "county") is not included in the field value.
Locality
A text description of the location where the specimen was collected, as given on the specimen label. May include national park, national forest, and other land use designations. Older collections often have short and imprecise locality data. Detailed locality data for rare species (threatened, endangered, sensitive, watch, ...) is included in our database but omitted from the search results.
Elevation
Elevations may be given either in feet or meters, and may include a minimum and maximum elevation, representing a range.
Coordinates
May include TRS/PLSS (township, range, section, quarter, etc.), latitude/longitude, and UTM. Coordinates for arare species are included in our database but omittedfrom the search results.
Site Description
This field includes all label information characterizing the site, such habitat, vegetation zone/association, substrate, slope, moisture, associated species, and so on - as the information appears on the specimen label.
Specimen Notes
Includes any characteristics pertaining to the plant specimen itself, such as flower color, fruit length, and plant height, along with information about the species, such as abundance and the precise location and micro-habitat where collected. Also includes any notes or text on the specimen that does not better fit into another field.
Phenology
Specifies the sexual maturity/condition of the specimen, such as flowering, fruiting, cone-bearing, spore-bearing, fertile, or sterile. Phenology is generally not given on the label; instead the person entering the record examines the specimen and selects the appropriate value.
Origin
Specifies whether the specimen is native or introduced to the state or country where it was collected. Origin data is rarely found on the specimen label; instead, it is entered during data entry either from a lookup table or from the date entry personnel's own knowledge. Origin data should be considered supplemental information, and should not be relied on as authoritative.
Cultivated
A Yes/No flag indicating if this is a cultivated specimen. Cultivated specimens generally do not represent valid distribution records and should be excluded from range maps or other geographic analyses.


Disclaimer:

WTU makes a reasonable effort to prevent and correct data entry errors; however, we cannot guarantee that our database is free from typos, misidentifications, or inaccurate label data. Please use the information at your own discretion. Error corrections and comments can be sent to Ben Legler or David Giblin.