- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1218593-2
- Publication
- The Genera of North American Plants. Philadelphia, USA
- Collation
- 1: 67, adnot. (-68, adnot.)
- Date of Publication
- 14 Jul 1818
- Family as entered in IPNI
- Poaceae
Nomenclatural Notes
Status: nom. inval. Nuttall (2: erratum. 1818) rejected P. obtusa Nutt. (non Muhl. 1817) and replaced it with P. pennsylvanica Nutt.