Compositae Working Group (CWG) (2021). Global Compositae Database. Senecio congestus var. tonsus Fernald. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1230788 on 2024-07-08
original description(1945). Rhodora 47: 256, tab. 960. 1945 page(s): 256-257, pl. 960 [details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Senecio congestus (R. Br.) DC. var. tonsus Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 47(560): [Tropicos] [details] LSID urn:lsid:compositae.org:names:5DEC6BED-F22C-4A36-911A-6C859DAEA582 [details]