Calflora, a 501c3 non-profit
Distribution by County   10752    
Aconogonon davisiae  (W. H. Brewer ex A. Gray) Sojâk
Davis knotweed
Aconogonon davisiae is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Polygonum davisiae
Record Count by County

Alpine: 52 Humboldt: 3 Nevada: 41 Siskiyou: 13
Amador: 2 Lake: 1 Placer: 26 Tehama: 9
Butte: 15 Lassen: 8 Plumas: 17 Trinity: 14
Colusa: 2 Madera: 2 Shasta: 31 Tuolumne: 1
El Dorado: 7 Mendocino: 3 Sierra: 8

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).