milk thistle

Silybum marianum

Member of thistles
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
purple in flowering plants

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

Chris’s observations: 50 (all are research grade)

Locations:

Coyote Lake / Harvey Bear Ranch CP: 9
Santa Teresa CP: 6
Calero CP: 4
Coyote Hills RP: 3
Ed R. Levin CP: 3
La Honda Creek OSP: 3
Russian Ridge OSP: 3
Sunol Wilderness RP: 3
Henry Coe SP: 2
Monte Bello OSP: 2
Sierra Vista OSP: 2
Coyote Creek Trail
DeLaveaga Park, Santa Cruz
Garin RP
Long Ridge OSP
Mission Peak RP
Máyyan 'Ooyákma Coyote Ridge OSP
Nisene Marks SP
Purisima Creek Redwoods OSP
San Pedro Valley CP
Sweeney Ridge National Recreation Area

Months:

Nov.: 1
Dec.: 0
Jan.: 0
Feb.: 1
Mar.: 4
Apr.: 13
May: 16
Jun.: 11
Jul.: 4

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora