Calflora
Taxon  Report   117    
Ageratina adenophora  (Spreng.) R. M. King & H. Rob.
Sticky snakeroot,   Thoroughwort
Ageratina adenophora, a dicot, is a perennial herb that is not native to California.
Cal-IPC rating: Moderate
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(4729 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Asteraceae  
Genus: Ageratina

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Communities: escaped cultivar

Name Status:
Accepted by ICPN + PLANTS
Alternate Names:
PLANTSEupatorium adenophorum
PLANTSEupatorium glandulosum
More information about  Ageratina adenophora

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/20/2021).