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Asteraceae
Silphium
Silphium radula var. radula
Silphium radula var. radula
6% complete
Reverchon's rosinweed
No author No year -
Unknown
Specifications
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Synonyms
Silphium reverchonii
Bush
Silphium simpsonii var. wrightii
L.M.Perry
Silphium integrifolium var. wrightii
(L.M.Perry) B.L.Turner