Holosteum umbellatum L.
Annotated by Ben Legler, 13 Nov 2019. Sources: Flora of PNW Revised.

Idaho: Owyhee County: Air distance 27.08 km SE from Riddle 1) Head SE on Roland Rd. for 50.2km. 2) Turn right/go west on no-named 2-track road into pasture. 3) Travel for 3km on 2-track road. 4) Keep right/north at split and continue for 0.94km. 5) Park on east/right side road. Walk 600m radius. Elev. 1720 m.
42.05877° N, 115.83081° W; UTM Zone 11, 596741E, 4656963N
Datum: WGS 84.
Rolling hills with mountains in the southeast and canyons in the north and west; creek runs through pasture, overstory is black and low sage at lower elevation; Wyoming sage at the top of hills; basin big sage near creek; green and rubber rabbitbrush throughout, dominate grasses are Sandberg bluegrass, bluebunch wheatgrass, and Idaho fescue, cheat grass scattered, soil is silty and rocky with small to large pebbles. 4-petaled flower; opposite leaves on stem; basal leaves at root base; approximately 11 cm tall, common.

Nachman 28-18, May 5, 2018
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