Stipa × bloomeri Bol.
[= Achnatherum ×bloomeri]
Annotated by Michael Curto, 9 Dec 2006. Sources: Proc. Calif. Acad. Sci. 4: 168. 1872.. Remarks: (OBI) Label Date: 2006.12.09
Basionym sensu stricto Stipa bloomeri Bolander, Proc. Calif. Acad. Sci. 4: 168. 1872.
Gen: amplissimo. Sp.: amplissimo. Stipa × bloomeri Bolander, Proc. Calif. Acad. Sci. 4: 168. 1872.
Gen: lato. Sp.: amplissimo. Man. Grasses U.S. (1951): Accepted. Oryzopsis bloomeri (Bolander) Ricker in Piper, Contr. U.S. Nat. Herb. 11: 109. 1906.
Gen: medio. Sp.: amplissimo. Intrmnt. Fl. (1977): Accepted. ×Stiporyzopsis bloomeri (Bolander) B.L. Johnson, Amer. J. Bot. 32: 602, figs. 14-18. 1945.

Idaho: Butte County: E. of main pullout/ lookout e. of visitors center along Hwy. 20/26/93. Elev. 5790 ft.
UTM Zone 12, 294024E, 4816310N
Datum: NAD 83.
On cinder comm. dominated by Stipa spp., Oryzopsis hymenoides, hybrids, and Purshia tridentata. Later phenology represented. First noted by N.D. Atwood. Phenology: Fertile.

P. Wolken 1262, Jul 6, 2006
CRMO, Accession: 223, Catalog: 4764