White Mountains threadplant, Nemacladus morefieldii, California, Inyo County, White Mountains, Antelope Springs, Deep Springs Valley, elevation 1716 m (5630 ft).
This observation refers to the somewhat out of focus plant most visible toward the upper left, with gently sigmoid (S-shaped) flower stalks, and flower lobes with brownish-orange edges.
The focused plant at center is Nemacladus orientalis, with straight flower stalks and flower lobes with purplish-red tips, and is identified in this observation:
https://www.inaturalist.org/observations/18398563.