Orthotrichum affine Schrad. ex Brid.
Annotated by M. A. B. Hutten.

Idaho: Blaine County: Craters of the Moon National Monument and Preserve 18 miles SW of Arco, Hwy 20/26.¶Snake River Watershed.¶Location: Sand Kipuka. Appr. 17 km ESE of the town Minidoka. Access though 4WD road and unofficial ATV trail beginning at lava edge 1.8 km west of Sand Kipuka. Elev. 1312 m.
UTM Zone 12N, 314824E, 4733658N
Datum: NAD 83.
Substrate: Partially shaded xeric underhang lava.¶Habitat: Sagebrush steppe community dominated kipuka. Vegetation dominated by Artemisia tridentata, with Chrysothamnus and Purshia interspersed with a few Juniperus scopulorum. Soils very sandy, terrestrial crypt flora poorly developed. Phenology: Unknown.

M. A. B. Hutten Hutten 6471, May 6, 2006
CRMO, Catalog: 4341