Myosurus apetalus Gay var. montanus (G.R. Campb.) Whittem.

Oregon: Wasco County: Vernal pools off unnamed 2-track road south of White River and Endersby Road and north of Wapinitia Highway. 2.6km NW of town of Pine Grove. Oregon State Department of Fish and Wildlife property. Elev. 2500 ft.
45.120239° N, 121.385315° W,
Datum: WGS 84. Uncertainty: 101 meters. Coordinate Source: Digital Map.
Shallow soils over basalt, seasonally inundated grasslands with Quercus garryana, Pseudotsuga, and Pinus ponderosa on drier segments. Grazed by cattle. Shallow soils over basalt, seasonally inundated grasslands with Quercus garryana, Pseudotsuga, and Pinus ponderosa on drier segments. Grazed by cattle. Occasional in larger vernal pools in area. Reproductive state: Flowers. Phenology: Flowers.

Dominic Maze 1391, May 26, 2019
With Zane Maze, Cyrene Maze, Olivia Duren
HPSU, Accession: 21725