Nevada Bitter-root, Nevada Lewisia: Lewisia nevadensis (Synonyms: Calandrinia nevadensis, Claytonia grayana, Lewisia bernardina, Lewisia minima, Lewisia pygmaea var. nevadensis, Oreobroma nevadensis) - Many basal leaves, linear to linear-oblanceolate in outline. Flowers single at the apex of the stem. Sepals with acute tip and generally entire margins.
Alpine Lewisia, Alpine Bitter-root, Dwarf Lewisia, Pygmy Lewisia: Lewisia pygmaea (Synonyms: Calandrinia grayi, Calandrinia pygmaea, Lewisia exarticulata, Lewisia glandulosa, Lewisia minima, Lewisia pygmaea var. aridorum, Lewisia pygmaea var. pygmaea, Lewisia pygmaeum, Lewisia pygmaeum var. aridorum, Lewisia sierrae, Oreobroma aridorum, Oreobroma pygmaeum, Talinum pygmaeum) - Many basal leaves, linear to linear-oblanceolate in outline. Flowers single at the apex of the stem. Sepals with rounded tip and generally toothed margins.
Threeleaf Lewisia, Three-leaf Lewisia, Three-leaf Bitter-root: Lewisia triphylla (Synonyms: Claytonia triphylla, Erocallis triphylla, Oreobroma triphylla) - 2-3 linear leaves found only on stem. One to several flowers found in an open inflorescence at the apex of the stem.