Puget Sound Gumplant, Puget Sound Gumweed, Willamette Valley Gumweed: Grindelia integrifolia (Synonyms: Grindelia integrifolia var. integrifolia, Grindelia nana, Grindelia nana var. integrifolia) - Uncommon east of the Cascade Mountains.
Columbia Gumplant, Columbia Gumweed: Grindelia nana var. discoidea (Synonyms: Grindelia nana ssp. columbiana, Grindelia columbiana) - Included with Grindelia hirsutula in Washington.
Idaho Gumweed, Low Gumweed: Grindelia nana var. nana (Synonyms: Grindelia nana ssp. nana, Grindelia nana var. integrifolia, Grindelia nana var. integerrima) - Included with Grindelia hirsutula in Washington.
Coastal Gumweed, Columbia Gumplant, Columbia Gumweed, Idaho Gumweed, Low Gumweed, Resinweed: Grindelia hirsutula (Synonyms: Grindelia arenicola, Grindelia columbiana, Grindelia hirsutula, Grindelia integrifolia var. macrophylla, Grindelia nana, Grindelia nana ssp. columbiana, Grindelia nana ssp. nana, Grindelia nana var. discoidea, Grindelia nana var. integerrima, Grindelia nana var. integrifolia, Grindelia nana var. nana, Grindelia squarrosa var. integrifolia, Grindelia squarrosa var. quasiperennis, Grindelia stricta ssp. stricta, Grindelia stricta var. stricta) -
Curlycup Gumweed, Curly-cup Gumweed, Resinweed, Serrate Resinweed: Grindelia squarrosa var. serrulata (Synonyms: Grindelia squarrosa, Grindelia squarrosa var. squarrosa) -