Collections Database

U.S.A., Washington, King County:
Dumas Bay Park, trail by water's edge.
47.32778°, -122.37972°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Weedy lawn, full sun. Mature plant in seed. Phenology: Flowers & Fruits. Origin: Introduced.

Drew Kerr s.n.    23 Aug 2000

U.S.A., Washington, Okanogan County:
On Johnson Creek.
48.455444°, -120.100908°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

In pasture. Phenology: Flowers & Fruits. Origin: Introduced.

Charles B. Fiker 1146    1 Sep 1932

U.S.A., Washington, San Juan County:
Orcas Island; Moran State Park,near summit of Mount Constitution; East side of the road.
Elev. 2150 ft. T37N R1W S21. Datum: NAD 27. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.

Wet soil near shore. Infrequent perennial forb with milky latex. Phenology: Flowers & Fruits. Origin: Introduced.

Peter E. Rapp 161    29 Jul 1981

U.S.A., Washington, Stevens County:
Northwest of Colville.
Elev. 1300 ft. 48.54667°, -117.90444°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Sandy alluvial soil; south slope; roadside. Phenology: Flowers & Fruits. Origin: Introduced.

George G. Hedgcock s.n.    12 Aug 1932

U.S.A., Washington, Whitman County:
Along Union Flat Creek, a mile below Ewartsville Grange Hall, about 8 miles southwest of Pullman.
46.64913°, -117.276497°. Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Forming colonies. Phenology: Flowers & Fruits. Origin: Introduced.

Hannah Aase 536    12 Sep 1950
with Xerpha M. Gaines

U.S.A., Washington, Yakima County:
Harrah Loop at Marrion Drain, 9 miles west Toppenish.
Elev. 705 ft. 46.377345°, -120.496367°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Upper sonoran zone. Phenology: Flowers & Fruits. Origin: Introduced.

E. Hunn 632    26 Jul 1977

U.S.A., Washington, Island County:
Whidbey Island, Ebey's Landing Nature Conservancy Preserve; east side of Perego's Lagoon.
Elev. 5 ft. 48° 12' 6" N, 122° 43' 53" W.

One large patch; cobble shoreline above lagoon. Phenology: Flowers & Fruits. Origin: Introduced.

Jeff Walker 268    10 Sep 2004

U.S.A., Washington, Snohomish County:
About 8 kilometers north of Everett; side channel between Quilceda Creek and Ebey's Slough.
Elev. 0 ft. 48° 2.883' N, 122° 11.699' W.

Salt marsh dominated by Scirpus and Carex lyngbei. Phenology: Flowers & Fruits. Origin: Introduced.

David Giblin 259    16 Sep 2005
with Ben Legler

U.S.A., Washington, San Juan County:
San Juan Islands. Iceberg Island.
Elev. 0-30 ft. 48° 25.625' N, 122° 53.354' W. Datum: WGS 84. Coordinate Source: GPS.

Island is low, relatively flat, with extensive bedrock outcrops throughout. Sedum lanceolatum is abundant across the bedrock. A large swale in mid-island is dense Rosa nutkana thicket. A couple of small vernal pools in the bedrock near the south side are noteworthy. A few plants on steep, north-facing slope. SHEET 1 OF 2. Phenology: Remnants. Origin: Introduced.

Joe Bennett 06-58    6 Sep 2006

U.S.A., Washington, San Juan County:
San Juan Islands. Iceberg Island.
Elev. 0-30 ft. 48° 25.625' N, 122° 53.354' W. Datum: WGS 84. Coordinate Source: GPS.

Island is low, relatively flat, with extensive bedrock outcrops throughout. Sedum lanceolatum is abundant across the bedrock. A large swale in mid-island is dense Rosa nutkana thicket. A couple of small vernal pools in the bedrock near the south side are noteworthy. A few plants on steep, north-facing slope. SHEET 2 OF 2. Phenology: Remnants. Origin: Introduced.

Joe Bennett 06-58    6 Sep 2006

U.S.A., Washington, Skagit County:
Padilla Bay National Estuarine Research Reserve. About 1 kilometer north of Interpretive Center. Intertidal marsh with decaying beach logs throughout.
Elev. 0 ft. 48° 30.386' N, 122° 28.957' W. Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Mucky intertidal area that is flooded at high tide; gravelly seashore at west side of marsh; forested embankment at east side; Sarcocornia perennis, Festuca sp., Grindelia sp., Atriplex sp. common throughout. Scattered in gravelly seashore; involucre glandular-hairy. Phenology: Fruits. Origin: Introduced.

David Giblin 706    15 Sep 2006

U.S.A., Washington, Skagit County:
Padilla Bay National Estuarine Research Reserve. Saddlebag Island. South cove, upper end of beach.
Elev. 0 ft. 48° 32.1' N, 122° 33.335' W. Coordinate Source: Digital map.

Gravelly beach at base of Pseudotsuga menziesii forest. Common at base of bluff above gravelly beach. Phenology: Flowers & Fruits. Origin: Introduced.

Peter Dunwiddie 06-277    23 Aug 2006

U.S.A., Washington, Kittitas County:
Old pasture along Kittitas Highway between No. 6 Road and Ferguson Road.
Elev. 1580 ft. 46° 59.174' N, 120° 28.275' W; T17N R19E S1.

Level; loamy soil, some moisture. Other plants: Festuca arundinacea, Melilotus alba, Trifolium hybridum, Anthemis cotula. Flowers yellow; locally common. Phenology: Flowers & Fruits. Origin: Introduced.

Don Knoke 960    18 Aug 2005

U.S.A., Washington, San Juan County:
Reef Island.
48° 36.179' N, 123° 1.021' W.

Large island dominated by Pseudotsuga menziesii; open understory with Elymus and Holodiscus. Occasional on shoreline. Phenology: Flowers & Fruits. Origin: Introduced.

Peter Dunwiddie 07-90    19 Sep 2007
with Phil Green, Megan Jensen, David Giblin, Ted Thomas

U.S.A., Washington, San Juan County:
Reef Island.
48° 36.179' N, 123° 1.021' W.

Large island dominated by Pseudotsuga menziesii; open understory with Elymus and Holodiscus. One patch on shore, east side of island. Phenology: Flowers. Origin: Introduced.

Peter Dunwiddie 07-97    19 Sep 2007
with Phil Green, Megan Jensen, David Giblin, Ted Thomas

U.S.A., Washington, San Juan County:
San Juan Islands National Wildlife Refuge. Colville Island.
48.415278°, -122.82397°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Taprooted annual; leaf bases pointed; locally common. Phenology: Flowers & Fruits. Origin: Introduced.

Ted Thomas 07-33    21 Sep 2007
with Peter Dunwiddie, David Giblin, Megan Jensen, Phil Green, Barbara French

U.S.A., Washington, San Juan County:
San Juan Islands National Wildlife Refuge and Wilderness Area. Turn Island. Large island 0.25 miles off the east shore of San Juan Island.
48° 31.97' N, 122° 58.22' W. Datum: NAD 83. Coordinate Source: Digital map.

Leaf bases pointed; on upper beach, east side of island. Phenology: Flowers & Fruits. Origin: Introduced.

David Giblin 1275    20 Sep 2007
with Phil Green, Megan Jensen, Peter Dunwiddie, Ted Thomas

U.S.A., Oregon, Morrow County:
Along U.S. Highway 730, 1.7 miles east of Irrigon.
Elev. 288 ft. T5N R27E S21. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.

Wet roadside bank. Flowers yellow; plants perennial, 1.2-1.5 meters tall with milky sap. Associated species: Typha, Cirsium, Veronica, Solanum, Agropyron, Rumex. Sheet 1 of 2. Phenology: Flowers & Fruits. Origin: Introduced.

Richard R. Halse 5172    12 Aug 1996

U.S.A., Oregon, Morrow County:
Along U.S. Highway 730, 1.7 miles east of Irrigon.
Elev. 288 ft. T5N R27E S21. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.

Wet roadside bank. Flowers yellow; plants perennial, 1.2-1.5 meters tall with milky sap. Associated species: Typha, Cirsium, Veronica, Solanum, Agropyron, Rumex. Sheet 2 of 2. Phenology: Flowers & Fruits. Origin: Introduced.

Richard R. Halse 5172    12 Aug 1996

U.S.A., Washington, San Juan County:
Orcas Island.
48.6375°, -122.902222°. Datum: WGS 84. Coordinate uncertainty: 12000 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.

Phenology: Flowers & Fruits. Origin: Introduced.

W. J. Eyerdam s.n.    4 Jul 1935

U.S.A., Washington, San Juan County:
Orcas Island.
48.6375°, -122.902222°. Datum: WGS 84. Coordinate uncertainty: 12000 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.

Sparingly introduced from Europe. Phenology: Flowers & Fruits. Origin: Introduced.

W. J. Eyerdam s.n.    4 Jul 1935

U.S.A., Washington, King County:
Tye River.
Elev. 3100 ft. 47.748662°, -121.119477°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Phenology: Flowers & Fruits. Origin: Introduced.

I. C. Otis 1109    21 Aug 1921

U.S.A., Washington, Kittitas County:
Yakima Training Center. Hanson Creek beaver pond ford, Training Area 5.
Elev. 850 ft. 727900E, 5184300N. Coordinate uncertainty: 1200 meters. Georeferenced by Joseph Stormer.

Beside creek on flat flooded by beaver dam until flash flood in July, 1991. Flowers bright yellow; stalked glands on involucre prominent. Associated species: Echinochloa crusgallii, Muhlenbergia asperifolia, Verbenea bracteata, Grindelia columbiana, Berula erecta, Veronica anagallis-aquatica, Panicum capillare, Conyza canadensis. Phenology: Flowers & Fruits. Origin: Introduced.

Joy Mastrogiuseppe 6340    27 Aug 1991

U.S.A., Oregon, Crook County:
Highway 126, 8.8 miles west of Prineville.

At edge of a cultivated field along an irrigation ditch. Forming dense colonies, by rhizomes. Heads showy. Phenology: Flowers & Fruits. Origin: Introduced.

K. L. Chambers 4716    14 Sep 1980

U.S.A., Montana, Gallatin County:
0.5 mile east of Manhattan along U. S. 10.

Abundant. Phenology: Flowers. Origin: Introduced.

Booth s.n.    10 Aug 1948
with Clary

U.S.A., Montana, Teton County:
Fairfield, 2 miles west at Freezout Lake.

Disturbed area around lake. Phenology: Flowers. Origin: Introduced.

Richard R. Knight s.n.    22 Jul 1959

U.S.A., Idaho, Custer County:
1 mile northwest of May.
44.614296°, -113.925772°. Coordinate uncertainty: 1000 meters. Invalid coordinates (located outside county bounds).

Along ditches. Phenology: Flowers & Fruits. Origin: Introduced.

C. L. Hitchcock 11297    20 Aug 1944
with C. V. Muhlick

U.S.A., Idaho, Bear Lake County:
Edge of Bear Lake Valley marsh, Montpelier.
T13S R44E S5. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Roadside weed. Phenology: Flowers & Fruits. Origin: Introduced.

William H. Baker 9547    26 Jul 1952

U.S.A., Montana, Flathead County:
3 miles northeast of Kalispell.

Cultivated ground. Phenology: Flowers & Fruits. Origin: Introduced.

H. T. Rogers 1257    23 Aug 1942
with J. M. Rogers

U.S.A., Idaho, Owyhee County:
Oreana.
43.05361°, -116.39417°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Edge of grassy meadow. Occasional. Phenology: Fruits. Origin: Introduced.

William H. Baker 8543    12 Aug 1951

U.S.A., Idaho, Bear Lake County:
Edge of Bear Lake Valley marsh, Montpelier.
T13S R44E S5. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Roadside weed. Phenology: Flowers & Fruits. Origin: Introduced.

William H. Baker 9547    26 Jul 1952

U.S.A., Idaho, Clark County:
15 miles north of Spencer.

Roadside weed. Phenology: Flowers & Fruits. Origin: Introduced.

William H. Baker 9972    27 Aug 1952

U.S.A., Idaho, Bonneville County:
Rainey Creek, Swan Valley.
T2N R43E S36. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Marshy borders of creek. Frequent. Phenology: Flowers & Fruits. Origin: Introduced.

William H. Baker 9697    7 Aug 1952

U.S.A., Washington, Pend Oreille County:
Westside Calispell Road at 4 mile post, near Bennett Road.
Elev. 2132 ft. 48° 14.9' N, 117° 19.3' W; T32N R43E S25.

Damp gravel roadside, with Phalaris arundinacea, full sun. Rhizomatous, yellow rays, leaves turn yellow, uncommon adventive. Phenology: Flowers & Fruits. Origin: Introduced.

Peter F. Zika 22493    5 Oct 2005

U.S.A., Washington, Snohomish County:
Near Marysville.
48.05194°, -122.17583°. Datum: WGS 84. Coordinate uncertainty: 5000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Tideflats. [Located in teaching collection]. Phenology: Fruits. Origin: Introduced.

M. Arnot 86    11 Aug 1987

U.S.A., Washington, King County:
Dumas Bay Park, trail by water's edge.
47.32778°, -122.37972°. Datum: WGS 84. Coordinate uncertainty: 10000 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

Weedy lawn, full sun. Mature plant in seed. Phenology: Fruits. Origin: Introduced.

Drew Kerr s.n.    23 Aug 2000

U.S.A., Washington, San Juan County:
Near airport, Mount Baker Road, 1 air kilometer north-northwest of town of Eastsound, north end of Orcas Island, San Juan Islands, Puget Sound.
Elev. 32 ft. 48° 42' N, 122° 55' W; T37N R2W S14.

Disturbed ground, full sun, with Polygonum arenastrum. Rhizomatous, deep yellow rays, white latex; uncommon weed in dirt heaps. Phenology: Flowers & Fruits. Origin: Introduced.

Peter F. Zika 22379    22 Sep 2005

U.S.A., Washington, Grant County:
Potholes Wildlife Area. Sand Dunes Road. From roadside to 0.5 kilometers west.
Elev. 1039 ft. 47.07359° N, 119.3371° W. Datum: WGS 84. Coordinate uncertainty: 10 meters.

Stabilized sand dune community with wetland habitat in swales; swales dominated by Schoenoplectus acutus and Typha latifolia; both dunes and swales invaded by non-natives. Common along edge of moist swales; ligules yellow. Phenology: Flowers & Fruits. Origin: Introduced.

David Giblin 2297    28 Aug 2008

U.S.A., Washington, Grant County:
Winchester Waterway. Starting at end of main access road and working back toward entrance.
Elev. 1121 ft. 47.11698° N, 119.62003° W. Datum: WGS 84. Coordinate uncertainty: 2 meters.

Lake edge dominated by Schoenoplectus acutus and Typha latifolia; surrounding shrub-steppe with Artemisia tridentata and Pseudoroegneria spicata. Locally common in mesic soil adjacent to shoreline. Phenology: Flowers & Fruits. Origin: Introduced.

David Giblin 2368    29 Aug 2008

U.S.A., Washington, Adams County:
Herman Lake, along shoreline near boat ramp.
Elev. 944 ft. 46.89746° N, 119.19958° W. Datum: WGS 84. Coordinate uncertainty: 3 meters.

From 0.7 meters deep in lake to upland area adjacent to shoreline. Schoenoplectus acutus, Typha sp., and Juncus spp. dominant. Common along shoreline just above waterline. Phenology: Flowers & Fruits. Origin: Introduced.

David Giblin 2396    4 Sep 2008

U.S.A., Washington, Adams County:
Columbia National Wildlife Refuge. McMannaman Lake. From south end of lake along shoreline to northwest corner where stream feeds lake.
Elev. 820 ft. 46.90818° N, 119.2288° W. Datum: WGS 84. Coordinate uncertainty: 2 meters.

Lake in basalt rimrock dominated by Schoenoplectus acutus, Bulboschoenus sp., and Typha latifolia. Cirsium arvense invading peripheral upland. Locally common in moist swale at northwest corner of lake. Phenology: Flowers. Origin: Introduced.

David Giblin 2434    5 Sep 2008

U.S.A., Washington, Whatcom County:
Growing at Cherry Point on upper edge of a cobble saltwater beach at the west end of Gulf Road.
Elev. 3 ft. UTM Zone 10, 519680E, 5411357N; T39N R1E S19T. Datum: NAD 27. Coordinate uncertainty: 805 meters. Georeferenced by Ben Legler. Coordinate Source: TRS2LL.

Other plants: Leymus mollis, Grindelia integrifolia, Ambrosia chamissonis, Cakile maritima, Achillea millefolium. Flowers yellow. Phenology: Flowers & Fruits. Origin: Introduced.

James Duemmel 10-505    2 Aug 2010

U.S.A., Washington, Grant County:
Sun Lakes State Park. About 4 miles southwest of Coulee City, about 20 air miles north-northeast of Ephrata, about 140 miles east of Seattle. Located along a roadside.
47° 35' 24.7" N, 119° 21' 42.3" W.

No slope. Soil: dark brown, moist, high amount of organic material. Associates: dominated with invasive Poaceae, unknown Rosaceae shrubs, and Asclepias syriaca. Flowers are bright yellow. Phenology: Flowers & Fruits. Origin: Introduced.

J. Borgatti 3    8 Oct 2010

U.S.A., Washington, Yakima County:
Toppenish National Wildlife Refuge. Mud Lake area. Riparian zone and roadside edge to east of Mud Lake.
Elev. 797 ft. 46.3203° N, 120.55444° W. Datum: WGS 84. Coordinate uncertainty: 5 meters.

Riparian area along irrigation canal dominated by Salix overstory; Typha common in open areas. Scattered in riparian area; flowers yellow; perennial. Phenology: Flowers. Origin: Introduced.

David Giblin 3079    13 Aug 2009
with Don Knoke

U.S.A., Washington, Skagit County:
Vendovi Island.
48.6094° N, 122.6065° W. Datum: WGS 84. Coordinate uncertainty: 500 meters. Coordinate Source: Digital map.

Northwest points and breakwater. Several patches on northwest beach. Phenology: Flowers & Fruits. Origin: Introduced.

Eliza Habegger EH-2011-5    11 Sep 2011

U.S.A., Washington, Pierce County:
End of Mounts Road, west side of Interstate 5.
Elev. 2 m. 47.08087° N, 122.6909° W. Datum: WGS 84. Coordinate uncertainty: 100 meters. Georeferenced by Maria Yousoufian. Coordinate Source: Digital map.

Degraded wetland along edge of road dominated by Typha latifolia, Equisetum telmateia, and Rubus bifrons from adjacent upland. Common along edge of road. Phenology: Flowers and Fruits. Origin: Introduced.

David Giblin 3655    7 Oct 2010

U.S.A., Washington, Stevens County:
Colville National Forest. Upper Cottonwood road #2888 east of Chewelah.
Elev. 3040 ft. T32N R41E S22 NESW. Datum: WGS 84. Coordinate uncertainty: 2000 meters. Georeferenced by Crystal Shin. Coordinate Source: Digital Map.

On road shoulder, weedy in relatively moist spots. Associated species: Pseudotsuga menziesii, Pinus ponderosa, Thuja plicata, Salix scouleriana, Acer glabrum, Holodiscus discolor, Betula occidentails, Philadelphus lewisii, Frangula purshiana, Amelanchir alnifolia, Mahonia aquifolium, Rosa gymnocarpa, Sorbus scopulina, Achillea millefolium, Epilobium angustifolium, Hieracium cynoglossoides, Circium [sic:Cirsium] arvense, Maianthemum stellatum, Hypericum perforatum, Plantago major, Agrostis alba, Agrostis scabra, Agrostis exarata, Melilotus alba, Bromus japonicus, Campanula rotundifolia, Dactylis glomerata, Taraxacum officinalis, Tragopogon dubius, Hieracium canadense, Trifolium hybridum, Elymus glaucus, Phleum pratense. Phenology: Flowers. Origin: Introduced.

Linda Swartz 545    20 Aug 1999

U.S.A., Washington, Kittitas County:
Ginkgo Petrified Forest State Park.
Elev. 585 ft. 46.90559° N, 119.98842° W. Coordinate Source: Specimen Label.

Along grass adjacent to boat launch. Flowers yellow; stipitate glandular. Phenology: Flowers. Origin: Introduced.

Jeff Walker 1045    11 Jul 2018