Curly-cupped Gumweed Grindelia squarrosa (Pursh) DunaNon-native  Synonyms: Broadleaf Gumweed, Donia squarrosa.

There are 3 records in the project database.

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Non-flowering Curly-cupped Gumweed in Butte Co., Idaho (6/25/2010). Curly-cupped Gumweed is an introduced species from western North America that occasionally has become established in Maryland. Photo by Matt Lavin. (MBP list)

Curly-cupped Gumweed bloom showing the involucral bracts in Bozeman, Montana (9/28/2008). Photo by Matt Lavin. (MBP list)

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