Compositae Working Group (CWG) (2021). Global Compositae Database. Pterostephanus Kellogg. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1080508 on 2024-05-03
original description(1891). Proc. Calif. Acad. Sci. 3 page(s): 20 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proc. Calif. Acad. Sci. 3: [Tropicos] [details] LSID urn:lsid:compositae.org:names:9417E065-3D14-4AE5-93A9-B6883A93002C [details]