1. Pussypaws - Calyptridium umbellatum (Spraguea umbellata): Flowers small in dense clusters at least 1 cm wide at the endof leafless stalks. Leaves all basal and spatulate in shape.

2. The Springbeauties & Montias - The Genus Claytonia: Flowers solitary or in open inflorescences, each with 2 sepals, 5 petals and 8 stamens. Plants either have a cluster of basal leaves, only 2 stem leaves (which may be fused to form a cup), or both.

3. Bitterroot & the Lewisias - The Genus Lewisia: Flowers solitary or in open inflorescences, each with either more than 2 sepals or more than 5 petals, or fewer than 5 stamens. Plants either have a cluster of basal leaves or only 2-4 stem leaves.

4. The Montias - The Genus Montia: Flowers solitary or in open inflorescences. Stems have at least 3 leaves on the stem with no cluster of basal leaves. The leaves are not fleshy. Flowers white or pink with superior ovaries.

5. The Fameflowers - The Genus Phemeranthus (formerly Talinum): Flowers solitary or in open inflorescences. Leaves clustered on low stems, each leaf succulent, linear and rounded in cross-section. Flowers rose to magenta in color.

6. Purslane - Portulaca oleracea: Flowers solitary or in open inflorescences. Stems have at least 3 leaves on the stem with no cluster of basal leaves. The leaves are fleshy. Flowers yellow with inferior ovaries.