Arenaria congesta Nuttall var. crassula Maguire, Bull. Torrey Bot. Club 74: 45. 1947

Stems 15-20 cm, glabrous. Leaves: basal blades curved inward, needlelike, (1.5-)2-3 cm × 1-2 mm, ± fleshy. Inflorescences capitate, rounded, dense cymes; bracts closely enveloping sepals. Pedicels ± absent, mostly shorter than 0.1 mm, glabrous. Sepals conspicuously 1- to weakly 3-veined, 3.5-4 mm, apex obtuse.

Flowering summer. Dry, upper montane ridges and rocky crevices; 1800-2500 m; Calif., Oreg.