Physaria pulchella (Rollins) O'Kane & Al-Shehbaz
[= Physaria carinata ssp. pulchella]
Annotated by Peter Lesica, Sep 2006.

Montana: Beaverhead County: [locality and coordinates withheld; status in Montana: S3 (Rare; MTNHP)],
Located on midslope of a limestone ridge. Slope angle is 45% and aspect is 280 degree. ca. 35 % bare soil, gravel, and rock cover on surface. Soil subcrop is a Lithic Ustorthent. Vegetation is a Pinus flexilis-Cercocarpus ledifolius association. Over half of the Pinus flexilis trees are dead (not from fire; perhaps from drought stress) and the Cercocarpus ledifolius present are being heavily browsed by elk and deer. Vascular plant species richness=35. Dominant species include Pinus flexilis (1% canopy cover), Juniperus scopulorum (3% cc), Pseudotsuga menziesii (trace cc), Cercocarpus ledifolius (30 % cc), Agropyron spicatum (30% cc), Haplopappus acaulis (10% cc),Arctostaphylos uva-ursi (3% cc), Carex rossii (3% cc), Chrysothamnus nauseosus (3% cc), Linum lewisii (3% cc), Phlox bryoides (3% cc), and Tetradymia canescens (3% cc). Phenology: Fruits.

Rob DeVelice 91RD0347, Jul 12, 1991
MONTU, Accession: 125754