Actually a bit outside the preserve at Bald hills.
Seen on a day of thistle removal.
P da Silva, M Garcia, J Stern, J Barrela, S Huang
I was walking in the hills above the UC Berkeley stadium, North of Strawberry Canyon, and came across this low-lying prickly plant. It was somewhat large and more robust-looking than its immediate neighbors.
A. Williams, F. Leist, R. Brostrom, S. Tsiu, W. Dreskin
A Williams, F Leist, J Slamovich, C Powell
Leaves hairy, faintly marbled; ~7" tall
Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, is a species of thistle. It is native to: the Mediterranean region in southern Europe, North Africa, and Western Asia; East Europe and the Caucasus; and the Indian Subcontinent.