grindelia : Idioms & Phrases
genus grindelia
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noun large genus of coarse gummy herbs of western North and Central America
Grindelia.
WordNet
grindelia robusta
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noun perennial gumweed of California and Baja California
WordNet
grindelia squarrosa
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noun perennial gumweed of western and central North America
curlycup gumweed.