Grindelia squarrosa
Grindelia squarrosa
Grindelia squarrosa (Pursh) Dunal.
Engl.: curlycup gumweed, ague weed, scaly grindelia.
Deu.: Sperriges Gummikraut, Harzkraut.
Bot. syn.: Grindelia perennis A. Nels., Grindelia serrulata Rydb.
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