Poa pachypholis Piper
[= Poa unilateralis ssp. pachypholis]
Annotated by R.J. Soreng, 1987.

Washington: Pacific County: [locality and coordinates withheld; status in Washington: G4TNR/S1 (Threatened; WANHP)],
Phenology: Fruits. Isotype: Poa pachypholis Piper. Published 1905. Proceedings of the Biological Society of Washington 18: 146. 1905.
Isotype: Poa unilateralis Scribn. ssp. pachypholis (Piper) D.D. Keck ex Soreng. Published 1998. Novon 8: 199.

C. V. Piper 4900, Jun 22, 1904
WTU, Accession: 12038JWT, Barcode: WTU-V-000051