Toft, C.A.; Welsh, S.L. 1972. A revision of the Psoralea lanceolata complex (Leguminosae). The Great Basin Naturalist. 32(2): 76-87.

Toft, C.A.; Welsh, S.L. 1972. A revision of the Psoralea lanceolata complex (Leguminosae). The Great Basin Naturalist. 32(2): 76-87.