yellow-leaved weed in a vernal pool

May 4, 2021Succor Creek RoadMalheur County, Oregon

Coordinates: 43.38516,-117.12196 (click for map)
yellow-leaved weed in a vernal pool [Succor Creek Road, Malheur County, Oregon]
Filename: 20210504-161927.jpg 2443x3257 pixels, ISO 125, f5.6 @ 1/400 sec
I have no idea what this is. It has opposite leaves covered in hairs (but not glands), and the dried-up pool it sprouted from was pretty salty/alkaline. I'd say maybe Plectritis or Veronica, but neither of those are very hairy. It looks a bit like Scutellaria, but that's not a vernal pool plant.

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