Plagiobothrys trachycarpus Calflora

Distribution by County 6607

Plagiobothrys trachycarpus (A. Gray) I. M. Johnst.

Rough fruited allocarya, Roughfruit popcornflower

Plagiobothrys trachycarpus is an annual herb that is native to California, and endemic (limited) to California.

Record Count by County


Alameda: 24	Placer: 1	San Luis Obispo: 26	Stanislaus: 5
Contra Costa: 23	Sacramento: 3	Santa Barbara: 11	Tulare: 1
Marin: 4	San Benito: 5	Santa Clara: 1	Ventura: 1
Merced: 22	San Diego: 8	Santa Cruz: 1
Monterey: 16	San Joaquin: 3	Solano: 1

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 01/15/2026).