Polygonum austiniae Greene
Annotated by Peter Lesica, Mar 2006.

Montana: Lewis and Clark County: Pike Creek and Burnt Gulch valleys, Big Belt Mountains; Scattered above; east of Refrigerator Canyon. Elev. 5800-6160 ft.
46.863° N, 111.6559° W; T13N R1E & 1W S19 & 36 S 1/2 & NE 1/4
Coordinate Source: TRS-website.
On upper slopes of exposed shale barrens and also in unvegetated draw dissecting shale outcrop slope. Surrounded by Pinus ponderosa/Agropyron spicatum h.t. Associated with sparse cover of Carex geyeri, Lomatium dissectum, Eriogonum ovalifolium, Penstemon attenuatus, Polygonum douglasii ssp. douglasii, Prunus virginiana. Montana Natural Heritage Program. Phenology: Flowers.

Bonnie Heidel 897, Jul 29, 1992
MONTU, Accession: 118209