Calflora, a 501c3 non-profit
Distribution by County   4205    
Holocarpha macradenia  (DC.) Greene
Santa cruz tarplant
Holocarpha macradenia is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNDDB
State of California status: Endangered. Federal status: Threatened.

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 09/28/2022).