Comments: This taxon (which was described in 1987) is recognized by Kartesz (1999) and the California Natural Diversity Database (8/2000); it is included as a synonym of D. cymosa ssp. ovatifolia by J.A. Bartel (1993) in the new Jepson manual (Hickman 1993), Skinner and Pavlik (1994) in the California Native Plant Society's Inventory of Rare and Endangered Vascular Plants of California, and the USFWS in the 1/29/97 listing of D. cymosa ssp. ovatifolia as Threatened, under the U.S. Endangered Species Act.