Polanisia dodecandra (L.) DC. var. trachysperma (Torr. & Gray) Iltis
[= Polanisia dodecandra ssp. trachysperma]
Annotated by Peter Lesica, Jun 2006.

Montana: Custer County: Ismay. Elev. 4000 ft.
46.4972276° N, 104.794128° W
Coordinate Source: USGS-website.
In vale. Common Name: Clammy Weed; Amount of Moisture: Dry; Amount of Shade: None; Kind of Soil: Sandy; Height of Plant: 8 to 24 inches; Exposure: To wind; Fruit Color: Brown; Color of Flower: White; Land ever planted: No; Recently plowed: No; Land grazed: Cattle, horses, sheep; Not irrigated. Biological Project of N.Y.A. Phenology: Flowers and Fruits.

Helen Nerenz 600, Aug 18, 1936
MONTU, Accession: 27049