Grindelia squarrosa 08

Scientific name: Grindelia squarrosa

Synonyms: Donia squarrosa, Grindelia aphanactis, Grindelia nuda, Grindelia nuda var. aphanactis, Grindelia serrulata, Grindelia squarrosa var. nuda, Grindelia squarrosa var. serrulata

Common names: curly-cup gumweed, curlycup gumweed, curlytop gumweed, gumweed, rosinweed, tarweed

Location: Theodore Roosevelt National Park, North Dakota