https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{1C172028-175A-4973-89EC-A066544C7D59}
Silphium speciosum Nuttall. Phen: Jul-Sep. Hab: Prairies, calcareous glades and barrens. Dist: MO west to NE, south to nw. AR and OK.
Origin/Endemic status: Endemic
Synonymy: = F, Il, Perry (1937); = Silphium integrifolium Michx. var. laeve – Ar, C, FNA21, G, GrPl, K1, K3, K4, SE1; < Silphium asperrimum Hook. – Tx
Hover over a shape, letter, icon, or arrow on the map to see what it means.
We don't have any photos of Silphium speciosum yet. If you have a good photo you'd like to share,
please send it to us. Thanks for your contribution!