Taxon  Report   5370    
Marrubium vulgare  L.
White horehound
Marrubium vulgare
© 2003 Michael Charters
Photos from
CalPhotos / Calflora
Marrubium vulgare
© 2018 Nancy Hamlett
Marrubium vulgare
© 2012 Molly Steele
Marrubium vulgare, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Limited

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Marrubium vulgare
© 2018 Stacie Wolny
Genus: Marrubium
Communities: weed, characteristic of disturbed places

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

More information about  Marrubium vulgare
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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:   (Accessed: Jan 23, 2019).