Physaria klausii (Rollins) O'Kane & Al-Shehbaz
Annotated by Peter Lesica, Sep 2006.

Montana: Lewis and Clark County: [locality and coordinates withheld; status in Montana: S3 (Rare; MTNHP)],
Ca. 200-300 plants, in flower and fruit; S.-facing slope and roadbanks, in gravelly loam soil with small shale flakes; with PSEUDOTSUGA MENZIESII, AGROPYRON SPICATUM, FESTUCA IDAHOENSIS, PHACELIA HASTATA. Montana Natural Heritage Program
Continuation of Relation to Named Place (info was truncated): "...0.25 air miles SE of Barking Dog, slope north of Indian Creek." Phenology: Flowers and Fruits.

J. Stephen Shelly 1071, Jun 1, 1986
With Ginger V. King
MONTU, Accession: 89406