plumeless thistles
genus Carduus
Member of
thistles
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)
There are no other wild species of this genus in the bay area.
Key features:
musk thistle
Carduus nutans
- heads generally solitary, conspicuously peduncled
- involucre 2–7 cm diameter
- phyllaries generally > 2 mm wide
- La Honda Creek
2 observed taxons / 1 unobserved taxon / 1 key
Chris’s observations: 29 (16 are research grade)
Locations:
- Calero CP: 4
- Russian Ridge OSP: 4
- Coyote Hills RP: 3
- Henry Coe SP: 2
- Monte Bello OSP: 2
- San Pedro Valley CP: 2
- Almaden Quicksilver CP
- Coyote Lake / Harvey Bear Ranch CP
- Edgewood Park & Natural Preserve
- El Corte de Madera OSP
- Joseph D. Grant CP
- Mt. Diablo SP
- Pleasanton Ridge RP
- Santa Teresa CP
- Sibley Volcanic RP
- Sierra Azul; OSP
- Stevens Creek CP
- Wilder Ranch SP
Months:
- Apr.: 7
- May: 16
- Jun.: 5
- Jul.: 0
- Aug.: 0
- Sep.: 0
- Oct.: 0
- Nov.: 1
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Taxon info:
iNaturalist
–
Calflora
–
Jepson eFlora
–
FNA
Bay Area species:
iNaturalist
–
Calflora