Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium integrifolium var. laeve Torr. & A.Gray. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1156267 on 2024-09-18
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Torr. & A. Gray [Preliminary Checklist of North American Compositae] Torr. & A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium integrifolium Michx. var. laeve Torr. & A. Gray [Preliminary Checklist of North American Compositae] Silphium integrifolium Michx. var. laeve Torr. & A.Gray [IPNI] Silphium integrifolium var. laeve Torr. & A. Gray [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Flora of North America: containing . . . 2(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:2CCBD01A-387D-40B2-B213-261C2BF844DC [details] Taxonomic remark Replacement name for Silphium speciosum Nutt. [details] Taxonomy Apr 1842 [details]