Poa ×nematophylla Rydb. (pro sp.)
Annotated by Michael Curto, 9 Dec 2006. Sources: Syst. Bot. 16(3): 520. 1991.. Remarks: (OBI)
Basionym sensu stricto Poa nematophylla Rydb., pro sp.
Generic concept: amplissimo. Species concept: amplissimo. Man. Grasses U.S. (1951): Not Included. Vasc. Pl. Pac. NW (1969): Not Included. Intrmnt. Fl. (1977): Not Included. Poa cf. ×nematophylla Rydb. [P. cusickii ssp. pallida ' P. fendleriana; see Syst. Bot. 16(3): 520. 1991.]
Spikelet morphology is consistent with Poa sect. Madrooa, but lemmas are shortly pubescent proximally between the veins, suggesting possible introgression with Poa secunda complex. Spikelet and floral development is immature, many flowers appear to be staminate.

Idaho: Power County: SE Wapi Lava Field. Elev. 1381 m.
UTM Zone 12, 322526E, 4735962N
Datum: NAD 83.
In sand, very matted and growing in dense circular patch. Phenology: Fertile.

P. Wolken 1251, Jun 24, 2006
With J. erixson
CRMO, Accession: 223, Catalog: 4737