Cryptantha micrantha (Torrey) I. M. Johnston
Pronunciation: Cryp-tán-tha mi-crán-tha Etymology: "hidden flower" + "small flower"
Key: to two varieties
Corolla limb 1.54 mm diam, appendages larger than minute, yellow ........................................................................... Cryptantha micrantha var. lepida
Corolla limb 0.51.2 mm diam, appendages minute, ± white .................................................................................... Cryptantha micrantha var. micrantha