Grindelia
grindelia, gumplant, gumweed, resinweed
3 species
Show only taxa with photos
Order by:
Scientific name
Common name
Display as:
Grindelia hirsutulacoastal gumweed, Columbia gumweed
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Coastal bluffs, forest openings, alluvial areas, and disturbed sites at low to middle elevations.
Origin: Native
Flowers: May-October
Grindelia integrifoliaPuget Sound gumweed, Willamette Valley gumweed
Distribution: Occurring west of the Cascades crest in Washington at low elevations; British Columbia to northern California.
Habitat: Salt marshes, rocky shores along the coast, coastal headlands and bluffs, and various non-maritime habitats in the Puget Trough.
Origin: Native
Flowers: June-March
Grindelia squarrosacurlycup gumweed, serrate resinweed
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across southern Canada and most of the United States to the Atlantic Coast.
Habitat: Dry, open, often sandy places, at low to middle elevations, often where disturbed.
Origin: Introduced from the Great Plains and possibly Rocky Mountains area
Flowers: June-September