white horehound

Marrubium vulgare

Member of mint family (family Lamiaceae)
dicots (class Magnoliopsida)
white in flowering plants

There are no other wild species of this genus in California.

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Chris’s observations: 3 (all are research grade)

Locations:

• Alum Rock Park, San Jose
• Shannon Valley OSP, Los Gatos
• Sierra Vista OSP

Months:

• May: 1
• Jun.: 0
• Jul.: 0
• Aug.: 1
• Sep.: 0
• Oct.: 0
• Nov.: 1

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Not all sites include this taxon:

• Marrubium vulgare → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora