External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1104843-2
- Species Name
- Petalostemon pinnatus (J.F.Gmel.) S.F.Blake, Rhodora 17(199): 131 (1915).
- Family as entered in IPNI
- Fabaceae