External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:32633-1
- Publication
- Flora Boreali-Americana (Michaux)
- Collation
- 1: 24, t. 5
- Date of Publication
- 19 Mar 1803
- Family as entered in IPNI
- Pontederiaceae