Penstemon rydbergii var. aggregatus (Pennell) N.H.Holmgren
, Brittonia 31(1): 106 (1979).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:891443-1
- Publication
- Brittonia; a Series of Botanical Papers. New York, NY
- Collation
- 31(1): 106
- Family as entered in IPNI
- Scrophulariaceae
Original Data
- Remarks
- P. aggregatus