Calflora
Taxon  Report   4312    
Hypericum perforatum  L.
Common st. johnswort,  Klamath weed, Klamathweed
Hypericum perforatum, a dicot, is a perennial herb that is not native to California; it has been naturalized in the wild. Cal-IPC rating: Moderate
Observation Search
(observation details)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: HYPERICACEAE  
Genus: Hypericum
Subspecies and Varieties:
Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: disturbed, disturbed

Communities: weed, characteristic of disturbed places

Name Status:
Accepted by ICPN + PLANTS

 
More information about  Hypericum perforatum

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Nov 18, 2019).