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Field Descriptions
58 matching records found.
Label Query: Genus = "Rhododendron", Species = "macrophyllum"
Ericaceae
1. Rhododendron macrophyllum G. Don
U.S.A., Washington, Clallam County:
Port Discovery Bay.
48.07673°, -122.91259°. Datum: WGS 84. Coordinate uncertainty: 2500 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Open woods. Phenology: Fruits. Origin: Native.
WTU 23592
George Neville Jones 4248    7 Oct 1933
1. Rhododendron macrophyllum G. Don
Database ID
13736 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
23592 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
2. Rhododendron macrophyllum G. Don.
    Annotated by WTU, 10 2002.  
Type Notes
 
Collector
George Neville Jones 
Collection #
4248 
Other Collectors
 
Date Collected
7 Oct 1933 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Clallam 
Locality
Port Discovery Bay. 
Elevation
 
Coordinates
48.07673°, -122.91259° 
Site Description
Open woods. 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
2. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
Near Good Beach.
48.21359°, -122.72215°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Wooded area. Phenology: Flowers. Origin: Native.
WTU 129184
Lloyd E. McElvain 103    30 May 1950
2. Rhododendron macrophyllum G. Don
Database ID
13737 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
129184 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
2. Rhododendron macrophyllum G. Don.
    Annotated by WTU, 10 2002.  
Type Notes
 
Collector
Lloyd E. McElvain 
Collection #
103 
Other Collectors
 
Date Collected
30 May 1950 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
Near Good Beach. 
Elevation
 
Coordinates
48.21359°, -122.72215° 
Site Description
Wooded area. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
3. Rhododendron macrophyllum G. Don
U.S.A., Washington, Jefferson County:
Near Port Townsend.
48.11722°, -122.75917°. Datum: WGS 84. Coordinate uncertainty: 5000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Open timber. Phenology: Flowers. Origin: Native.
WTU 12464JWT
J. William Thompson 10639    9 Jun 1934
3. Rhododendron macrophyllum G. Don
Database ID
13738 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
12464JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
2. Rhododendron macrophyllum G. Don.
    Annotated by WTU, 10 2002.  
Type Notes
 
Collector
J. William Thompson 
Collection #
10639 
Other Collectors
 
Date Collected
9 Jun 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Jefferson 
Locality
Near Port Townsend. 
Elevation
 
Coordinates
48.11722°, -122.75917° 
Site Description
Open timber. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
4. Rhododendron macrophyllum G. Don
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: Flowers. Origin: Native.
WTU 274771
Unknown s.n.     May 1908
4. Rhododendron macrophyllum G. Don
Database ID
13739 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
274771 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
2. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Unknown 
Collection #
s.n. 
Other Collectors
 
Date Collected
May 1908 
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
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
5. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck.
47° 36' 49.56" N, 122° 52' 39.078" W.
Phenology: Flowers. Origin: Native.
WTU 345779
Marie Tsiang 0743-3    19 May 2001
5. Rhododendron macrophyllum G. Don
Database ID
13740 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345779 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Marie Tsiang 
Collection #
0743-3 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. 
Elevation
 
Coordinates
47° 36' 49.56" N, 122° 52' 39.078" W 
Site Description
 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
6. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Potlatch - Lake Cushman Road.
47.42167°, -123.22167°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
In gravelly soil at edge of woods. Phenology: Flowers. Origin: Native.
WTU 135178
Phillips B. Freer 338    11 Jun 1950
6. Rhododendron macrophyllum G. Don
Database ID
13741 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
135178 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
2. Rhododendron macrophyllum G. Don.
    Annotated by WTU, 10 2002.  
Type Notes
 
Collector
Phillips B. Freer 
Collection #
338 
Other Collectors
 
Date Collected
11 Jun 1950 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Potlatch - Lake Cushman Road. 
Elevation
 
Coordinates
47.42167°, -123.22167° 
Site Description
 
Specimen Notes
In gravelly soil at edge of woods. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
7. Rhododendron macrophyllum G. Don
U.S.A., Washington, Skamania County:
Moss Creek.
45.793118°, -121.640474°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Phenology: Fruits. Origin: Native.
WTU 228836
Wilhelm N. Suksdorf s.n.    9 Jul 1896
7. Rhododendron macrophyllum G. Don
Database ID
13742 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
228836 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Wilhelm N. Suksdorf 
Collection #
s.n. 
Other Collectors
 
Date Collected
9 Jul 1896 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Skamania 
Locality
Moss Creek. 
Elevation
 
Coordinates
45.793118°, -121.640474° 
Site Description
 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
8. Rhododendron macrophyllum G. Don
U.S.A., Washington, Skagit County:
Cypress Island, along Foss logging road.
48.57417°, -122.7075°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Single plant between swamp and main lake. Phenology: Vegetative. Origin: Native.
WTU 320410
A. R. Kruckeberg 5987    13 May 1967
8. Rhododendron macrophyllum G. Don
Database ID
13743 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
320410 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
A. R. Kruckeberg 
Collection #
5987 
Other Collectors
 
Date Collected
13 May 1967 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Skagit 
Locality
Cypress Island, along Foss logging road. 
Elevation
 
Coordinates
48.57417°, -122.7075° 
Site Description
 
Specimen Notes
Single plant between swamp and main lake. 
Phenology
Vegetative 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
9. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
Whidbey Island, Ebey's Landing. 3km north of main parking lot along main trail. Collecting below trail and in nearby Pseudotsuga forest.
Elev. 197 ft. 48.204167°, -122.734444°. Datum: WGS 84. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.
Dry conifer woods; Pseudotsuga menziesii, Tsuga heterophylla, Gaultheria shallon, Rhododendron macrophyllum. Dominant understory; 1-4 m; flowers pink-purple. Phenology: Flowers. Origin: Native.
WTU 356220
Peter W. Dunwiddie PWD 110    4 Jun 2004
with Jeff Walker, Sharon Rodman, Susan Zwinger
9. Rhododendron macrophyllum G. Don
Database ID
27482 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
356220 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Ben Legler, 28 2004.  
Type Notes
 
Collector
Peter W. Dunwiddie 
Collection #
PWD 110 
Other Collectors
Jeff Walker, Sharon Rodman, Susan Zwinger 
Date Collected
4 Jun 2004 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
Whidbey Island, Ebey's Landing. 3km north of main parking lot along main trail. Collecting below trail and in nearby Pseudotsuga forest. 
Elevation
197 ft. 
Coordinates
48.204167°, -122.734444° 
Site Description
Dry conifer woods; Pseudotsuga menziesii, Tsuga heterophylla, Gaultheria shallon, Rhododendron macrophyllum. 
Specimen Notes
Dominant understory; 1-4 m; flowers pink-purple. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
10. Rhododendron macrophyllum G. Don
U.S.A., Washington, King County:
10035 NE 26th, Bellevue WA.
47.633563°, -122.20555°. Datum: WGS 84. Coordinate uncertainty: 150 meters. Georeferenced by Ibro Polovina. Coordinate Source: Digital Map.
Plant collected near Sequim, WA in 1970. Phenology: Fruits. Origin: Native.
WTU 354265
Benjamin Hall 026    24 Jan 2003
10. Rhododendron macrophyllum G. Don
Database ID
116731 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
354265 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Benjamin Hall 
Collection #
026 
Other Collectors
 
Date Collected
24 Jan 2003 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
King 
Locality
10035 NE 26th, Bellevue WA. 
Elevation
 
Coordinates
47.633563°, -122.20555° 
Site Description
 
Specimen Notes
Plant collected near Sequim, WA in 1970. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
11. Rhododendron macrophyllum G. Don
Canada, British Columbia
19 miles of northwest of Ranger Station along Hope Princeton Highway.
Elev. 2300 ft.
Locally common in conferous woods. Flower pink, up to 10 feet in height. Phenology: Fruits. Origin: Native.
WTU 172904
J. A. Calder 10593    16 Jul 1953
with D. B. O. Savile
11. Rhododendron macrophyllum G. Don
Database ID
116737 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
172904 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. A. Calder 
Collection #
10593 
Other Collectors
D. B. O. Savile 
Date Collected
16 Jul 1953 
Verbatim Date
 
Country
Canada 
State or Province
British Columbia 
County
 
Locality
19 miles of northwest of Ranger Station along Hope Princeton Highway. 
Elevation
2300 ft. 
Coordinates
 
Site Description
Locally common in conferous woods. 
Specimen Notes
Flower pink, up to 10 feet in height. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
12. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
3 miles west of Gasquet Trail Marker, O'Brien-Sourdough Camp Road.
Elev. 300 ft.
Lodged-over sugar Pine-Douglas fir forest. Dense under-cover of Gaultheria, Vaccinium, Quercus vaccinifolia, Lithocarpus densiflora. Phenology: Flowers. Origin: Native.
WTU 181156
A. R. Kruckeberg 1862    21 Jun 1950
12. Rhododendron macrophyllum G. Don
Database ID
116740 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
181156 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
A. R. Kruckeberg 
Collection #
1862 
Other Collectors
 
Date Collected
21 Jun 1950 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
3 miles west of Gasquet Trail Marker, O'Brien-Sourdough Camp Road. 
Elevation
300 ft. 
Coordinates
 
Site Description
Lodged-over sugar Pine-Douglas fir forest. Dense under-cover of Gaultheria, Vaccinium, Quercus vaccinifolia, Lithocarpus densiflora. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
13. Rhododendron macrophyllum G. Don
U.S.A., Oregon
Mount Hood.
45.37361°, -121.69444°. Datum: WGS 84. Coordinate uncertainty: 4222 meters. Georeferenced by Sara Legler. Coordinate Source: GeoLocate.
West side. Phenology: Flowers. Origin: Native.
WTU 228846
Wilhelm N. Suksdorf 3378    3 Jul 1927
13. Rhododendron macrophyllum G. Don
Database ID
116743 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
228846 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Wilhelm N. Suksdorf 
Collection #
3378 
Other Collectors
 
Date Collected
3 Jul 1927 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
 
Locality
Mount Hood. 
Elevation
 
Coordinates
45.37361°, -121.69444° 
Site Description
West side. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
14. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Curry County:
Siskiyou National Forest; on 3907, about 24 miles east of intersection of highways. 3907 and 101 (intersection about 6 miles south of Brookings).
Elev. 2300 ft.
Pseudotsuga-Lithocarpus-Castanopsis-Quercus zone with abundant Rhododendron beneath trees; dry woods. Flowers pinkish-purple. Fruiting also. Phenology: Flowers & Fruits. Origin: Native.
WTU 259084
Melinda F. Denton 2984    2 Jul 1973
14. Rhododendron macrophyllum G. Don
Database ID
116747 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
259084 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Melinda F. Denton 
Collection #
2984 
Other Collectors
 
Date Collected
2 Jul 1973 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Curry 
Locality
Siskiyou National Forest; on 3907, about 24 miles east of intersection of highways. 3907 and 101 (intersection about 6 miles south of Brookings). 
Elevation
2300 ft. 
Coordinates
 
Site Description
Pseudotsuga-Lithocarpus-Castanopsis-Quercus zone with abundant Rhododendron beneath trees; dry woods. 
Specimen Notes
Flowers pinkish-purple. Fruiting also. 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
15. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Multnomah County:
Above Warrendale in the Columbia Gorge.
Elev. 2500 ft.
Wooded slopes. Phenology: Flowers. Origin: Native.
WTU 12566JWT
J. William Thompson 11851    3 Jul 1935
15. Rhododendron macrophyllum G. Don
Database ID
116752 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
12566JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. William Thompson 
Collection #
11851 
Other Collectors
 
Date Collected
3 Jul 1935 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Multnomah 
Locality
Above Warrendale in the Columbia Gorge. 
Elevation
2500 ft. 
Coordinates
 
Site Description
Wooded slopes. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
16. Rhododendron macrophyllum G. Don
U.S.A., Oregon
Detroit, Cascade Mountains. Willamette watershed.
Phenology: Vegetative. Origin: Native.
WTU 142659
W. C. Cusick 4577    20 Apr 1915
16. Rhododendron macrophyllum G. Don
Database ID
116756 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
142659 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
W. C. Cusick 
Collection #
4577 
Other Collectors
 
Date Collected
20 Apr 1915 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
 
Locality
Detroit, Cascade Mountains. Willamette watershed. 
Elevation
 
Coordinates
 
Site Description
 
Specimen Notes
 
Phenology
Vegetative 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
17. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Douglas County:
Coast Mountains, Roseburg Quadrangle.
Forests. Phenology: Flowers. Origin: Native.
WTU 142660
W. C. Cusick 4242    3 Jul 1914
17. Rhododendron macrophyllum G. Don
Database ID
116759 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
142660 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
W. C. Cusick 
Collection #
4242 
Other Collectors
 
Date Collected
3 Jul 1914 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Douglas 
Locality
Coast Mountains, Roseburg Quadrangle. 
Elevation
 
Coordinates
 
Site Description
Forests. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
18. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Douglas County:
Coast Mountains, Roseburg Quadrange.
Phenology: Fruits. Origin: Native.
WTU 142661
W. C. Cusick 4373    29 Jul 1914
18. Rhododendron macrophyllum G. Don
Database ID
116762 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
142661 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
W. C. Cusick 
Collection #
4373 
Other Collectors
 
Date Collected
29 Jul 1914 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Douglas 
Locality
Coast Mountains, Roseburg Quadrange. 
Elevation
 
Coordinates
 
Site Description
 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
19. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Along Deer Creek Road, 17 miles east of Selma to junction with Paradise Mine road #1. (Williams 13 miles to the east). Siskiyou National Forest.
Elev. 1067 ft.
Serpentine on south side of road. Incense cedar, Douglas fir, manzanita shrub. Pink flower, no ordor. Bush, 3-4 feet tall. Phenology: Flowers. Origin: Native.
WTU 345687
Doug Williams W&G-117    28 Jun 1998
with Robert Goff
19. Rhododendron macrophyllum G. Don
Database ID
116764 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345687 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Sarah Gage. Sources: Jepson Manual (1993).  
Type Notes
 
Collector
Doug Williams 
Collection #
W&G-117 
Other Collectors
Robert Goff 
Date Collected
28 Jun 1998 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Along Deer Creek Road, 17 miles east of Selma to junction with Paradise Mine road #1. (Williams 13 miles to the east). Siskiyou National Forest. 
Elevation
1067 ft. 
Coordinates
 
Site Description
Serpentine on south side of road. Incense cedar, Douglas fir, manzanita shrub. 
Specimen Notes
Pink flower, no ordor. Bush, 3-4 feet tall. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
20. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Forest Road 112, 0.2 miles from junction with Forest Road 4402 (west of O'Brien). Siskiyou National Forest.
Elev. 1173 ft. 42° 51" N, 123° 50' 10" W; T41S R10W S12.
Open forest with young trees (to 40 years old?). Flat aspect. Growing in thick shrubby area but with lots of light, with Arctostaphylos, Pseudotsuga, Pinus, Quercus shrubs, herbs. Flowers buds dark pink, open flowers pink to very pale pink. 1.5-2.5 m tall. New leaves orange red or light green. Phenology: Flowers. Origin: Native.
WTU 345684
Roger N. Fuller 98-18    28 Jun 1998
20. Rhododendron macrophyllum G. Don
Database ID
116772 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345684 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Sarah Gage. Sources: Jepson Manual (1993).  
Type Notes
 
Collector
Roger N. Fuller 
Collection #
98-18 
Other Collectors
 
Date Collected
28 Jun 1998 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Forest Road 112, 0.2 miles from junction with Forest Road 4402 (west of O'Brien). Siskiyou National Forest. 
Elevation
1173 ft. 
Coordinates
42° 51" N, 123° 50' 10" W; T41S R10W S12 
Site Description
Open forest with young trees (to 40 years old?). Flat aspect. Growing in thick shrubby area but with lots of light, with Arctostaphylos, Pseudotsuga, Pinus, Quercus shrubs, herbs. 
Specimen Notes
Flowers buds dark pink, open flowers pink to very pale pink. 1.5-2.5 m tall. New leaves orange red or light green. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
21. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Forest Road 176 off State Route 46; 1 mile west of Oregon Caves National Monument; Siskiyou National Forest.
Elev. 3650 ft. 42° 6' 35" N, 123° 24' 37" W; T40S R6W S4 or 9.
North-facing slope. Mixed fir/oak forest. Dark pink buds opening to pink blossoms. Phenology: Flowers. Origin: Native.
WTU 342630
Jessie Johanson 02    26 Jun 1998
with Joe Johanson
21. Rhododendron macrophyllum G. Don
Database ID
116777 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
342630 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Sarah Gage. Sources: Jepson.  
Type Notes
 
Collector
Jessie Johanson 
Collection #
02 
Other Collectors
Joe Johanson 
Date Collected
26 Jun 1998 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Forest Road 176 off State Route 46; 1 mile west of Oregon Caves National Monument; Siskiyou National Forest. 
Elevation
3650 ft. 
Coordinates
42° 6' 35" N, 123° 24' 37" W; T40S R6W S4 or 9 
Site Description
North-facing slope. Mixed fir/oak forest. 
Specimen Notes
Dark pink buds opening to pink blossoms. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
22. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Clackamas County:
Camp Creek Forest Camp, 5 miles east of Zigzag.
Elev. 2250 ft.
Dry gravelly soil. Phenology: Flowers & Fruits. Origin: Native.
WTU 21146JWT
C. L. Hitchcock 4780    19 Jun 1939
with J. S. Martin
22. Rhododendron macrophyllum G. Don
Database ID
116781 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
21146JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
C. L. Hitchcock 
Collection #
4780 
Other Collectors
J. S. Martin 
Date Collected
19 Jun 1939 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Clackamas 
Locality
Camp Creek Forest Camp, 5 miles east of Zigzag. 
Elevation
2250 ft. 
Coordinates
 
Site Description
Dry gravelly soil. 
Specimen Notes
 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
23. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Along the Grayback Trail.
Thickets. Phenology: Flowers. Origin: Native.
WTU 274600
William H. Baker 149    29 Jun 1949
with George C. Ruhle
23. Rhododendron macrophyllum G. Don
Database ID
116794 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
274600 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Remarks: Leaf material removed for cuticular analysis by Lenny Kouwenberg, Field Museum, Chicago. 9/13/2007. 
Type Notes
 
Collector
William H. Baker 
Collection #
149 
Other Collectors
George C. Ruhle 
Date Collected
29 Jun 1949 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Along the Grayback Trail. 
Elevation
 
Coordinates
 
Site Description
Thickets. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
24. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Clackamas County:
Camp Creek Forest Camp, 5 miles east of Zigzag.
Elev. 2250 ft.
Dry gravelly soil. Phenology: Flowers. Origin: Native.
WTU 53796
C. L. Hitchcock 4780    19 Jun 1939
with J. S. Martin
24. Rhododendron macrophyllum G. Don
Database ID
116799 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
53796 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
C. L. Hitchcock 
Collection #
4780 
Other Collectors
J. S. Martin 
Date Collected
19 Jun 1939 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Clackamas 
Locality
Camp Creek Forest Camp, 5 miles east of Zigzag. 
Elevation
2250 ft. 
Coordinates
 
Site Description
Dry gravelly soil. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
25. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Siskiyou National Forest. Five miles east of intersection of Highway 3941 and 3942 on 3941 or ca. [circa] 20 miles east of Cave Junction.
Elev. 3470 ft. 42.152048°, -123.435725°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by Joseph Stormer. Coordinate Source: Digital Map.
Woods of Pseudotsuga, Chamaecyparis, Ceanothus, and some Castanopsis. Common shrubs about 5 feet tall. Flowers pinkish-lavender with small yellow and brown spots on lower lip of corolla near throat. Phenology: Flowers. Origin: Native.
WTU 259262
Melinda F. Denton 2544    22 Jun 1973
25. Rhododendron macrophyllum G. Don
Database ID
116801 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
259262 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Melinda F. Denton 
Collection #
2544 
Other Collectors
 
Date Collected
22 Jun 1973 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Siskiyou National Forest. Five miles east of intersection of Highway 3941 and 3942 on 3941 or ca. [circa] 20 miles east of Cave Junction. 
Elevation
3470 ft. 
Coordinates
42.152048°, -123.435725° 
Site Description
Woods of Pseudotsuga, Chamaecyparis, Ceanothus, and some Castanopsis. 
Specimen Notes
Common shrubs about 5 feet tall. Flowers pinkish-lavender with small yellow and brown spots on lower lip of corolla near throat. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
26. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Lincoln County:
Newport.
Phenology: Flowers & Fruits. Origin: Native.
WTU 72401
H. M. Gilkey s.n.    9 Jun 1943
with N. A. Rees
26. Rhododendron macrophyllum G. Don
Database ID
116805 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
72401 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
H. M. Gilkey 
Collection #
s.n. 
Other Collectors
N. A. Rees 
Date Collected
9 Jun 1943 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Lincoln 
Locality
Newport. 
Elevation
 
Coordinates
 
Site Description
 
Specimen Notes
 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
27. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Douglas County:
Mount Bolivar, Cow Creek Mountains, Roseburg Quadrangle.
Elev. 3700 ft.
Phenology: Flowers & Fruits. Origin: Native.
WTU 144942
W. C. Cusick 4709    10 Jun 1915
27. Rhododendron macrophyllum G. Don
Database ID
117230 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
144942 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
W. C. Cusick 
Collection #
4709 
Other Collectors
 
Date Collected
10 Jun 1915 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Douglas 
Locality
Mount Bolivar, Cow Creek Mountains, Roseburg Quadrangle. 
Elevation
3700 ft. 
Coordinates
 
Site Description
 
Specimen Notes
 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
28. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Josephine County:
Bureau of Land Management Property, 7.4 miles west of the junction with the Merlin-Galice Road and the Galice Access Road.
Elev. 770 ft. 42° 33' 6" N, 123° 41' W.
On the Galice Access Road. Mixed confier forest. On shaded moist slopes. Shrub; 3 m erect. Flowers bright pink. [The second in the longitude is listed as 76]. Phenology: Fruits. Origin: Native.
WTU 331415
H. H. Schmidt 903    3 Jul 1993
with M. Merello, R. Noyes
28. Rhododendron macrophyllum G. Don
Database ID
117233 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
331415 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by R. Noyes, 1993.  
Type Notes
 
Collector
H. H. Schmidt 
Collection #
903 
Other Collectors
M. Merello, R. Noyes 
Date Collected
3 Jul 1993 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Josephine 
Locality
Bureau of Land Management Property, 7.4 miles west of the junction with the Merlin-Galice Road and the Galice Access Road. 
Elevation
770 ft. 
Coordinates
42° 33' 6" N, 123° 41' W 
Site Description
On the Galice Access Road. Mixed confier forest. On shaded moist slopes. 
Specimen Notes
Shrub; 3 m erect. Flowers bright pink. [The second in the longitude is listed as 76]. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
29. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Linn County:
Along Highway 20, opposite Jump Off Joe.
Elev. 3500 ft.
On steep south exposure. With Ceanothus and Arctostaphylos. Shrub, 1-3 m. high; fruit brown. Exchange from the Herbarium of Oregon State College. Phenology: Fruits. Origin: Native.
WTU 196621
Albert N. Steward 6243    14 Feb 1953
29. Rhododendron macrophyllum G. Don
Database ID
117238 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
196621 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Albert N. Steward 
Collection #
6243 
Other Collectors
 
Date Collected
14 Feb 1953 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Linn 
Locality
Along Highway 20, opposite Jump Off Joe. 
Elevation
3500 ft. 
Coordinates
 
Site Description
On steep south exposure. With Ceanothus and Arctostaphylos. 
Specimen Notes
Shrub, 1-3 m. high; fruit brown. Exchange from the Herbarium of Oregon State College. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
30. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Linn County:
Cascade Range; Bruno Meadows, along Willamette National Forest Service Road 2234; about 5 airline miles southeast of Idanha.
Elev. 1244 ft. T11S R7E S6. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.
Assoc. sp.: Tsuga, Xerophyllum, Veratrum, Cornus, Vaccinium, Pseudotsuga. Shrub to 2 meters tall; fruits reddish-brown, glandular, viscid. Phenology: Fruits. Origin: Native.
WTU 331077
Richard R. Halse 4503    22 Jul 1992
30. Rhododendron macrophyllum G. Don
Database ID
117239 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
331077 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Richard R. Halse 
Collection #
4503 
Other Collectors
 
Date Collected
22 Jul 1992 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Linn 
Locality
Cascade Range; Bruno Meadows, along Willamette National Forest Service Road 2234; about 5 airline miles southeast of Idanha. 
Elevation
1244 ft. 
Coordinates
T11S R7E S6 
Site Description
Assoc. sp.: Tsuga, Xerophyllum, Veratrum, Cornus, Vaccinium, Pseudotsuga. 
Specimen Notes
Shrub to 2 meters tall; fruits reddish-brown, glandular, viscid. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
31. Rhododendron macrophyllum G. Don
U.S.A., Washington, Jefferson County:
Constance Ridge, Olympic Mountains.
Elev. 5000 ft. 47.77321°, -123.1261°. Datum: WGS 84. Coordinate uncertainty: 3000 meters. Georeferenced by Jim Duemmel. Coordinate Source: Digital Map.
Rocky wooded slopes. Washington State flower. Phenology: Flowers. Origin: Native.
WTU 9867JWT
J. William Thompson 6566    30 May 1931
31. Rhododendron macrophyllum G. Don
Database ID
117240 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
9867JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. William Thompson 
Collection #
6566 
Other Collectors
 
Date Collected
30 May 1931 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Jefferson 
Locality
Constance Ridge, Olympic Mountains. 
Elevation
5000 ft. 
Coordinates
47.77321°, -123.1261° 
Site Description
Rocky wooded slopes. 
Specimen Notes
Washington State flower. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
32. Rhododendron macrophyllum G. Don
U.S.A., Washington, Jefferson County:
Trail to Constance Ridge 2/3 way up.
47.77561°, -123.12014°. Datum: WGS 84. Coordinate uncertainty: 1300 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Phenology: Fruits. Origin: Native.
WTU 38989
G. N. Jones 5862    8 Aug 1934
32. Rhododendron macrophyllum G. Don
Database ID
117241 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
38989 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
G. N. Jones 
Collection #
5862 
Other Collectors
 
Date Collected
8 Aug 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Jefferson 
Locality
Trail to Constance Ridge 2/3 way up. 
Elevation
 
Coordinates
47.77561°, -123.12014° 
Site Description
 
Specimen Notes
 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
33. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
10 miles south of Coupeville, Whidbey Island.
48.09662°, -122.57909°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Gravelly soil in woods. Phenology: Flowers & Fruits. Origin: Native.
WTU 25301
G. N. Jones 4849    19 May 1934
33. Rhododendron macrophyllum G. Don
Database ID
117242 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
25301 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
G. N. Jones 
Collection #
4849 
Other Collectors
 
Date Collected
19 May 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
10 miles south of Coupeville, Whidbey Island. 
Elevation
 
Coordinates
48.09662°, -122.57909° 
Site Description
Gravelly soil in woods. 
Specimen Notes
 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
34. Rhododendron macrophyllum G. Don
U.S.A., Washington, Jefferson County:
Olympic Forest. 1/2 mile beyond Little Hump - Duckabush River.
47.648433°, -122.933459°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Slope level, soil gravel. Open dry sites. Huckleberry, Vine Maple, Oregon grape. 3'-8' in May & June. Abundance common. Density in tenths: 7. Type: Regenerated Burn Browse. Phenology: Flowers. Origin: Native.
WTU 94658
J. E. Schwartz 324    23 May 1937
34. Rhododendron macrophyllum G. Don
Database ID
117243 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
94658 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. E. Schwartz 
Collection #
324 
Other Collectors
 
Date Collected
23 May 1937 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Jefferson 
Locality
Olympic Forest. 1/2 mile beyond Little Hump - Duckabush River. 
Elevation
 
Coordinates
47.648433°, -122.933459° 
Site Description
Slope level, soil gravel. Open dry sites. Huckleberry, Vine Maple, Oregon grape. 
Specimen Notes
3'-8' in May & June. Abundance common. Density in tenths: 7. Type: Regenerated Burn Browse. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
35. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
North end of Whidby [Whidbey] Island.
48.4095°, -122.60812°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Wooded crest. Phenology: Flowers. Origin: Native.
WTU 26329JWT
J. William Thompson 6098    25 Apr 1931
35. Rhododendron macrophyllum G. Don
Database ID
117246 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
26329JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. William Thompson 
Collection #
6098 
Other Collectors
 
Date Collected
25 Apr 1931 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
North end of Whidby [Whidbey] Island. 
Elevation
 
Coordinates
48.4095°, -122.60812° 
Site Description
Wooded crest. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
36. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
South side Goose Rock, Deception Pass State Park, Whidbey Island.
48.39389°, -122.6475°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
(introduced in 1934 from Coupville). Phenology: Flowers. Origin: Native.
WTU 40915
Harold W. Smith 592    14 May 1936
36. Rhododendron macrophyllum G. Don
Database ID
117247 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
40915 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Harold W. Smith 
Collection #
592 
Other Collectors
 
Date Collected
14 May 1936 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
South side Goose Rock, Deception Pass State Park, Whidbey Island. 
Elevation
 
Coordinates
48.39389°, -122.6475° 
Site Description
 
Specimen Notes
(introduced in 1934 from Coupville). 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
37. Rhododendron macrophyllum G. Don
U.S.A., Washington, Jefferson County:
Olympic Forest. Little Hump. Duckabush River.
Elev. 700 ft. 47.648433°, -122.933459°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Open dry sites. Huckleberry, Vine Maple, Oregon Grape. Slope: level. Soil:gravel. 3'-8' in May-June. Abundance: common. Forage value: low. Type: regenerated burn - Browse. Density in tenths: 7. Phenology: Flowers. Origin: Native.
WTU 322840
J. E. Schwartz 324A    23 May 1937
37. Rhododendron macrophyllum G. Don
Database ID
117251 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
322840 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron californicum Hook.
    Remarks: 80685
2. Rhododendron macrophyllum G. Don.
    1942. Remarks: Add. Plant names. 
Type Notes
 
Collector
J. E. Schwartz 
Collection #
324A 
Other Collectors
 
Date Collected
23 May 1937 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Jefferson 
Locality
Olympic Forest. Little Hump. Duckabush River. 
Elevation
700 ft. 
Coordinates
47.648433°, -122.933459° 
Site Description
Open dry sites. Huckleberry, Vine Maple, Oregon Grape. Slope: level. Soil:gravel. 
Specimen Notes
3'-8' in May-June. Abundance: common. Forage value: low. Type: regenerated burn - Browse. Density in tenths: 7. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
38. Rhododendron macrophyllum G. Don
U.S.A., Oregon, Coos County:
Roadside near Lakeside.
Phenology: Flowers. Origin: Native.
WTU 4804JWT
J. William Thompson 12779    19 Jun 1936
38. Rhododendron macrophyllum G. Don
Database ID
117254 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
4804JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. William Thompson 
Collection #
12779 
Other Collectors
 
Date Collected
19 Jun 1936 
Verbatim Date
 
Country
U.S.A. 
State or Province
Oregon 
County
Coos 
Locality
Roadside near Lakeside. 
Elevation
 
Coordinates
 
Site Description
 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
39. Rhododendron macrophyllum G. Don
U.S.A., Washington, Clallam County:
Plant collected near Sequim in 1970 and transplanted to Bellevue (King County).
48.07972°, -123.10056°. Datum: WGS 84. Coordinate uncertainty: 5000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Leaves used for DNA analysis. Voucher specimens collected 10 May 2001. Phenology: Flowers & Fruits. Origin: Native.
WTU 345780
Ben Hall s.n.    10 May 2001
39. Rhododendron macrophyllum G. Don
Database ID
117257 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345780 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Ben Hall 
Collection #
s.n. 
Other Collectors
 
Date Collected
10 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Clallam 
Locality
Plant collected near Sequim in 1970 and transplanted to Bellevue (King County). 
Elevation
 
Coordinates
48.07972°, -123.10056° 
Site Description
 
Specimen Notes
Leaves used for DNA analysis. Voucher specimens collected 10 May 2001. 
Phenology
Flowers & Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
40. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck. Edge of canyon.
47° 36.973' N, 122° 52.341' W.
Phenology: Flowers. Origin: Native.
WTU 345773
Victoria Poling s.n.    19 May 2001
40. Rhododendron macrophyllum G. Don
Database ID
117259 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345773 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Victoria Poling 
Collection #
s.n. 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. Edge of canyon. 
Elevation
 
Coordinates
47° 36.973' N, 122° 52.341' W 
Site Description
 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
41. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck.
47° 36.705' N, 122° 52.663' W.
Phenology: Fertile. Origin: Native.
WTU 345776
Marie Tsiang 0743-2    19 May 2001
41. Rhododendron macrophyllum G. Don
Database ID
117261 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345776 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Marie Tsiang 
Collection #
0743-2 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. 
Elevation
 
Coordinates
47° 36.705' N, 122° 52.663' W 
Site Description
 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
42. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck.
47° 36.626' N, 122° 52.752' W.
Just outside DNR preserve in a clearcut area. Phenology: Flowers. Origin: Native.
WTU 345775
Phillip Mark Chi #2    19 May 2001
42. Rhododendron macrophyllum G. Don
Database ID
117264 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345775 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Phillip Mark Chi 
Collection #
#2 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. 
Elevation
 
Coordinates
47° 36.626' N, 122° 52.752' W 
Site Description
Just outside DNR preserve in a clearcut area. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
43. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck.
47° 36.825' N, 122° 52.741' W.
Mid-forest, a tall specimen growing with Douglas-fir and western red cedar. Phenology: Fertile. Origin: Native.
WTU 345777
Phillip Mark Chi #3    19 May 2001
43. Rhododendron macrophyllum G. Don
Database ID
117266 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345777 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Phillip Mark Chi 
Collection #
#3 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. 
Elevation
 
Coordinates
47° 36.825' N, 122° 52.741' W 
Site Description
Mid-forest, a tall specimen growing with Douglas-fir and western red cedar. 
Specimen Notes
 
Phenology
Fertile 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
44. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Kitsap Natural Area near Seabeck.
47° 36.821' N, 122° 52.731' W.
Mid-forest, a tall specimen growing with Douglas-fir and western red cedar. Growing on the edge of a drop-off amid mosses. Phenology: Flowers. Origin: Native.
WTU 345778
Phillip Mark Chi #4    19 May 2001
44. Rhododendron macrophyllum G. Don
Database ID
117268 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
345778 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Phillip Mark Chi 
Collection #
#4 
Other Collectors
 
Date Collected
19 May 2001 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Kitsap Natural Area near Seabeck. 
Elevation
 
Coordinates
47° 36.821' N, 122° 52.731' W 
Site Description
Mid-forest, a tall specimen growing with Douglas-fir and western red cedar. Growing on the edge of a drop-off amid mosses. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
45. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
Near Chico and the Mountaineers' Lodge.
47.61167°, -122.70917°. Datum: WGS 84. Coordinate uncertainty: 5000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Abundant in woods. Washington State flower. Phenology: Flowers. Origin: Native.
WTU 9869JWT
J. William Thompson 5162    10 May 1930
45. Rhododendron macrophyllum G. Don
Database ID
117270 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
9869JWT 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
J. William Thompson 
Collection #
5162 
Other Collectors
 
Date Collected
10 May 1930 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
Near Chico and the Mountaineers' Lodge. 
Elevation
 
Coordinates
47.61167°, -122.70917° 
Site Description
Abundant in woods. 
Specimen Notes
Washington State flower. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
46. Rhododendron macrophyllum G. Don
Canada, British Columbia
"Rhododendron Lake" 7 miles southwest of Nanoose Bay, 9 miles southwest of Parksville, Victoria Island.
Elev. 1700 ft. 49° N, 124° W. Misleading coordinates given only to nearest degree.
Mixed coniferous forest, now logged off, plants growing in fringe of timber left around lake. Phenology: Flowers. Origin: Native.
WTU 362389
E. J. Greig s.n.    19 Jun 1962
46. Rhododendron macrophyllum G. Don
Database ID
120164 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
362389 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
E. J. Greig 
Collection #
s.n. 
Other Collectors
 
Date Collected
19 Jun 1962 
Verbatim Date
 
Country
Canada 
State or Province
British Columbia 
County
 
Locality
"Rhododendron Lake" 7 miles southwest of Nanoose Bay, 9 miles southwest of Parksville, Victoria Island. 
Elevation
1700 ft. 
Coordinates
49° N, 124° W 
Site Description
Mixed coniferous forest, now logged off, plants growing in fringe of timber left around lake. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
47. Rhododendron macrophyllum G. Don
U.S.A., Washington, Island County:
10 miles south of Coupeville, Whidbey Island.
48.09662°, -122.57909°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Gravelly soil in woods. Phenology: Flowers. Origin: Native.
WTU 362455
G. N. Jones 4849    19 May 1934
47. Rhododendron macrophyllum G. Don
Database ID
124607 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
362455 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
G. N. Jones 
Collection #
4849 
Other Collectors
 
Date Collected
19 May 1934 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Island 
Locality
10 miles south of Coupeville, Whidbey Island. 
Elevation
 
Coordinates
48.09662°, -122.57909° 
Site Description
Gravelly soil in woods. 
Specimen Notes
 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
48. Rhododendron macrophyllum G. Don
U.S.A., Washington, Snohomish County:
Arlington.
48.19889°, -122.12389°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.
Yard. Transplanted from wild near Oak Harbor, Whidby [Whidbey] Island many years ago. Sprawly shrub 1.5 meters tall, evergreen, flowers deep pink. [Located in teaching collection]. Phenology: Flowers. Origin: Native.
WTU 317070; Barcode: WTU-V-006488
M. Arnot 191    23 May 1990
48. Rhododendron macrophyllum G. Don
Database ID
166431 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
317070 
Barcode
WTU-V-006488 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
M. Arnot 
Collection #
191 
Other Collectors
 
Date Collected
23 May 1990 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Snohomish 
Locality
Arlington. 
Elevation
 
Coordinates
48.19889°, -122.12389° 
Site Description
Yard. 
Specimen Notes
Transplanted from wild near Oak Harbor, Whidby [Whidbey] Island many years ago. Sprawly shrub 1.5 meters tall, evergreen, flowers deep pink. [Located in teaching collection]. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Ericaceae
49. Rhododendron macrophyllum G. Don
U.S.A., Washington, Pacific County:
Population grows on woody mounds in wetland northeast of Ilwaco, Washington, north of Ilwaco Cemetery, north of Highway 101. Cape Disappoinment, Washington Quad.
Elev. 26 ft. 46° 19' 9.4" N, 124° 1' 19.29" W; T8N R6W S4.
Plants in this wetland include Carex obnupta, Caere aquatilis var. dives, Potentilla palustris, Nuphar polysepalum var. luteum, several Juncus spp., and patches of Sphagnum spp. with Rhododendron groenlandicum. Seed pods and faint fragments of flowers seen on first visit, flowers were pale pink, leaves generally chlorotic. Phenology: Flowers. Origin: Native.
WTU 374010
Kathleen Sayce 2008-37    21 Jul 2008
49. Rhododendron macrophyllum G. Don
Database ID
171826 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
374010 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Kathleen Sayce.  
Type Notes
 
Collector
Kathleen Sayce 
Collection #
2008-37 
Other Collectors
 
Date Collected
21 Jul 2008 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Pacific 
Locality
Population grows on woody mounds in wetland northeast of Ilwaco, Washington, north of Ilwaco Cemetery, north of Highway 101. Cape Disappoinment, Washington Quad. 
Elevation
26 ft. 
Coordinates
46° 19' 9.4" N, 124° 1' 19.29" W; T8N R6W S4 
Site Description
Plants in this wetland include Carex obnupta, Caere aquatilis var. dives, Potentilla palustris, Nuphar polysepalum var. luteum, several Juncus spp., and patches of Sphagnum spp. with Rhododendron groenlandicum. 
Specimen Notes
Seed pods and faint fragments of flowers seen on first visit, flowers were pale pink, leaves generally chlorotic. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
50. Rhododendron macrophyllum G. Don
U.S.A., Washington, Kitsap County:
On Finn Hill circa 3 miles west of Poulsbo.
47.763121°, -122.681061°. Datum: WGS 84. Coordinate uncertainty: 2205 meters. Georeferenced by Joseph Stormer. Coordinate Source: Digital Map.
In gravelly loam in open area. Shrub circa 2 meters tall; flowers pink. Phenology: Flowers. Origin: Native.
WTU 390367
Carl A. Linde Jr. s.n.    11 May 1957
50. Rhododendron macrophyllum G. Don
Database ID
186753 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
390367 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron californicum Hook.
2. Rhododendron macrophyllum G. Don.
    Annotated by A. Blattenbauer, 9 2013. Sources: FNA.  
Type Notes
 
Collector
Carl A. Linde Jr. 
Collection #
s.n. 
Other Collectors
 
Date Collected
11 May 1957 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Kitsap 
Locality
On Finn Hill circa 3 miles west of Poulsbo. 
Elevation
 
Coordinates
47.763121°, -122.681061° 
Site Description
In gravelly loam in open area. 
Specimen Notes
Shrub circa 2 meters tall; flowers pink. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
51. Rhododendron macrophyllum G. Don
U.S.A., Washington, Clallam County:
Olympic National Forest, on ridge between Dungeness River and Bear Mountain.
Elev. 2400 ft. 47° 58.259' N, 123° 5.24' W; T29N R3W S33.
Shallow rocky loam with balds. With Pseudotsuga menziesii, Tsuga heterophylla, Gaultheria shallon, Castilleja hispida, Mahonia nervosa, Rosa gymnocarpa, Holodiscus discolor. Abundant. Phenology: Fruits. Origin: Native.
WTU 395390
Regina Johnson 2012-155    28 Sep 2012
51. Rhododendron macrophyllum G. Don
Database ID
188680 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
395390 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Regina Johnson 
Collection #
2012-155 
Other Collectors
 
Date Collected
28 Sep 2012 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Clallam 
Locality
Olympic National Forest, on ridge between Dungeness River and Bear Mountain. 
Elevation
2400 ft. 
Coordinates
47° 58.259' N, 123° 5.24' W; T29N R3W S33 
Site Description
Shallow rocky loam with balds. With Pseudotsuga menziesii, Tsuga heterophylla, Gaultheria shallon, Castilleja hispida, Mahonia nervosa, Rosa gymnocarpa, Holodiscus discolor. 
Specimen Notes
Abundant. 
Phenology
Fruits 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
52. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Olympic National Forest. Ridgeline running west from Lower Mount Ellinor trailhead.
Elev. 970 m. 47.50596° N, 123.2394° W. Datum: WGS 84. Coordinate uncertainty: 50 meters. Coordinate Source: Digital map.
Series of south-facing rocky outcroppings dominated by moss and Arctostaphylos uva-ursi; Xerophyllum tenax common, in flower. Scattered in old-growth forest understory. Phenology: Flowers. Origin: Native.
WTU 417793; Barcode: WTU-V-038985
David Giblin 5583    27 May 2015
52. Rhododendron macrophyllum G. Don
Database ID
2449633 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
417793 
Barcode
WTU-V-038985 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by David Giblin, 16 2015. Sources: FNA.  
Type Notes
 
Collector
David Giblin 
Collection #
5583 
Other Collectors
 
Date Collected
27 May 2015 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Olympic National Forest. Ridgeline running west from Lower Mount Ellinor trailhead. 
Elevation
970 m. 
Coordinates
47.50596° N, 123.2394° W 
Site Description
Series of south-facing rocky outcroppings dominated by moss and Arctostaphylos uva-ursi; Xerophyllum tenax common, in flower. 
Specimen Notes
Scattered in old-growth forest understory. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Ericaceae
53. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Within 100 feet of Long Marsh off Elfendahl Pass Road, Tahuya State Forest, Tahuya Peninsula.
47.458149° N, 122.902926° W. Datum: WGS 84. Coordinate uncertainty: 300 meters. Georeferenced by Maria Yousoufian. Coordinate Source: Digital map.
In second growth Douglas Fir as understory. Highly unusual late October blooming. Phenology: Flowers. Origin: Native.
WTU 405282; Barcode: WTU-V-015128
Brian S. Luther s.n.    25 Oct 2015
53. Rhododendron macrophyllum G. Don
Database ID
2788541 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
405282 
Barcode
WTU-V-015128 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.
    Annotated by Brian S. Luther.  
Type Notes
 
Collector
Brian S. Luther 
Collection #
s.n. 
Other Collectors
 
Date Collected
25 Oct 2015 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Within 100 feet of Long Marsh off Elfendahl Pass Road, Tahuya State Forest, Tahuya Peninsula. 
Elevation
 
Coordinates
47.458149° N, 122.902926° W 
Site Description
In second growth Douglas Fir as understory. 
Specimen Notes
Highly unusual late October blooming. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
Yes 

Ericaceae
54. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Lake Cushman area, Dow Mountain population #1, 3 miles up from Hwy 119 along Dow Mtn Rd. 1500 spur.
Elev. 1160 ft. 47.46071° N, 123.15469° W. Datum: WGS 84. Coordinate uncertainty: 450 meters. Coordinate Source: Digital map.
WSW-facing slope on hillside above road that was clear cut over 10 years ago. Associated with Chamaenerion, Gaultheria, Pseudotsuga menziesii, Polystichum, Rubus spectabilis, and Vaccinium. Occasional shrub, ca. 3 ft. tall. Flowers pink with spotted upper petal. Petioles green. Phenology: Flowers. Origin: Native.
WTU
Valerie Soza 1948    22 May 2018
with Jerry Broadus, Clarice Clark, Elizabeth Ramage
54. Rhododendron macrophyllum G. Don
Database ID
3446758 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Valerie Soza 
Collection #
1948 
Other Collectors
Jerry Broadus, Clarice Clark, Elizabeth Ramage 
Date Collected
22 May 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Lake Cushman area, Dow Mountain population #1, 3 miles up from Hwy 119 along Dow Mtn Rd. 1500 spur. 
Elevation
1160 ft. 
Coordinates
47.46071° N, 123.15469° W 
Site Description
WSW-facing slope on hillside above road that was clear cut over 10 years ago. Associated with Chamaenerion, Gaultheria, Pseudotsuga menziesii, Polystichum, Rubus spectabilis, and Vaccinium. 
Specimen Notes
Occasional shrub, ca. 3 ft. tall. Flowers pink with spotted upper petal. Petioles green. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
55. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Lake Cushman area, Dow Mountain population #2, ca. 6 miles up from Hwy 119 along DNR Rd.
47.45557° N, 123.17538° W. Datum: WGS 84. Coordinate uncertainty: 450 meters. Coordinate Source: Digital Map.
NW-facing slope, in shade. In Tsuga heterophylla and Thuja plicata forest. Associated with Gaultheria and Polystichum. Common shrub, ca. 6 ft. tall. Flowers pink, upper 3 petals spotted. Upper stamens shorter than longer stamens. Style curved upwards. Petioles green. Phenology: Flowers. Origin: Native.
WTU
Valerie Soza 1949    22 May 2018
with Jerry Broadus, Clarice Clark, Elizabeth Ramage
55. Rhododendron macrophyllum G. Don
Database ID
3446759 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Valerie Soza 
Collection #
1949 
Other Collectors
Jerry Broadus, Clarice Clark, Elizabeth Ramage 
Date Collected
22 May 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Lake Cushman area, Dow Mountain population #2, ca. 6 miles up from Hwy 119 along DNR Rd. 
Elevation
 
Coordinates
47.45557° N, 123.17538° W 
Site Description
NW-facing slope, in shade. In Tsuga heterophylla and Thuja plicata forest. Associated with Gaultheria and Polystichum. 
Specimen Notes
Common shrub, ca. 6 ft. tall. Flowers pink, upper 3 petals spotted. Upper stamens shorter than longer stamens. Style curved upwards. Petioles green. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
56. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Lake Cushman area, Dow Mountain, Rd 1300 spur off Dow Mtn Rd.
Elev. 1260 ft. 47.46076° N, 123.19553° W. Datum: WGS 84. Coordinate uncertainty: 450 meters. Georeferenced by Ibro Polovina. Coordinate Source: Digital Map.
SE-facing slope below road. Former clear cut.¶Associated with Acer macrophyllum, Berberis, Ceanothus velutinus, Chamaenerion, Gaultheria, Polystichum, Pseudotsuga menziesii, and Vaccinium. Uncommon shrub, ca. 5 ft. tall. Flowers pink, upper 3 petals spotted. Upper stamens shorter than lower stamens. Petioles green. Phenology: Flowers. Origin: Native.
WTU
Valerie Soza 1950    22 May 2018
with Jerry Broadus, Clarice Clark, Elizabeth Ramage
56. Rhododendron macrophyllum G. Don
Database ID
3446760 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Valerie Soza 
Collection #
1950 
Other Collectors
Jerry Broadus, Clarice Clark, Elizabeth Ramage 
Date Collected
22 May 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Lake Cushman area, Dow Mountain, Rd 1300 spur off Dow Mtn Rd. 
Elevation
1260 ft. 
Coordinates
47.46076° N, 123.19553° W 
Site Description
SE-facing slope below road. Former clear cut.¶Associated with Acer macrophyllum, Berberis, Ceanothus velutinus, Chamaenerion, Gaultheria, Polystichum, Pseudotsuga menziesii, and Vaccinium. 
Specimen Notes
Uncommon shrub, ca. 5 ft. tall. Flowers pink, upper 3 petals spotted. Upper stamens shorter than lower stamens. Petioles green. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
57. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Lake Cushman area, Hoodsport Community Trail Park, upper loop trail.
Elev. 1800 ft. 47.41742° N, 123.19007° W. Datum: WGS 84. Coordinate uncertainty: 450 meters. Georeferenced by Ibro Polovina. Coordinate Source: Digital Map.
In forest near clear cut.¶Associated with Acer macrophyllum, Gaultheria, Lonicera ciliosa, Pteridium, Rubus, and Vaccinium. Local shrub, ca 8 ft. tall. Flowers pink, upper petals spotted. Upper stamens shorter than lower stamens. Petioles green. Phenology: Flowers. Origin: Native.
WTU
Valerie Soza 1951    22 May 2018
with Jerry Broadus, Clarice Clark, Elizabeth Ramage
57. Rhododendron macrophyllum G. Don
Database ID
3446761 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Valerie Soza 
Collection #
1951 
Other Collectors
Jerry Broadus, Clarice Clark, Elizabeth Ramage 
Date Collected
22 May 2018 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Lake Cushman area, Hoodsport Community Trail Park, upper loop trail. 
Elevation
1800 ft. 
Coordinates
47.41742° N, 123.19007° W 
Site Description
In forest near clear cut.¶Associated with Acer macrophyllum, Gaultheria, Lonicera ciliosa, Pteridium, Rubus, and Vaccinium. 
Specimen Notes
Local shrub, ca 8 ft. tall. Flowers pink, upper petals spotted. Upper stamens shorter than lower stamens. Petioles green. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Ericaceae
58. Rhododendron macrophyllum G. Don
U.S.A., Washington, Mason County:
Potlatch Power Lines between Cushman Dam and Cushman Power House on Highway 101.
Elev. 500 ft. 47.37651° N, 123.16493° W. Datum: WGS 84. Coordinate Source: GPS.
Commercial timber with high tension power line rights of way. Cobbly sandy loam soil. Dry forests recently cut. Uncommon. Flowers large, pink. With Pseudotsuga menziesii, Cytisus scoparius, Arctostaphylos uva-ursi, Rubus ursinus, Vaccinium ovatum, Arbutus menziesii. Phenology: Flowers. Origin: Native.
WTU
Regina Johnson 2021-029    31 May 2021
58. Rhododendron macrophyllum G. Don
Database ID
3497530 
Herbarium
WTU 
Collection
Vascular Plants 
Dataset
 
Accession
 
Barcode
 
Other Numbers
 
Family
Ericaceae 
Name on Specimen
Rhododendron macrophyllum G. Don 
Accepted Name
Rhododendron macrophyllum D. Don ex G. Don 
Annotation History
1. Rhododendron macrophyllum G. Don.  
Type Notes
 
Collector
Regina Johnson 
Collection #
2021-029 
Other Collectors
 
Date Collected
31 May 2021 
Verbatim Date
 
Country
U.S.A. 
State or Province
Washington 
County
Mason 
Locality
Potlatch Power Lines between Cushman Dam and Cushman Power House on Highway 101. 
Elevation
500 ft. 
Coordinates
47.37651° N, 123.16493° W 
Site Description
Commercial timber with high tension power line rights of way. Cobbly sandy loam soil. Dry forests recently cut. 
Specimen Notes
Uncommon. Flowers large, pink. With Pseudotsuga menziesii, Cytisus scoparius, Arctostaphylos uva-ursi, Rubus ursinus, Vaccinium ovatum, Arbutus menziesii. 
Phenology
Flowers 
Origin
Native 
Cultivated?
No 
Imaged?
No 

Tab-delimited Text File:
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PDF Document:
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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.