Thlaspi perfoliatum L.
[= Microthlaspi perfoliatum]
Annotated by B. E. Nash.

Idaho: Ada County: In Boise, ID on the north side of State Street between North Bogart Lane and Roe Street.
43.674845° N, -116.292181° W
Inverted longitude.
Growing in a weedy field next to a canal. Growing near Cerastium, Lamium, Brassica, and Poaceae in fine soft soil. Petals pure white; sepals with reddish tint; leaves pale green; stems green, often with reddish tint toward base; specimens up to a meter or more in height, clustered. Phenology: Flowers & Fruits.

B. E. Nash 0036, Apr 14, 2012
SRP, Accession: 45046