Meadow between Falcon and Blue Jay Cmpg., 6-24-12. © Ron Vanderhoff.

Bull Thistle

Cirsium vulgare

Exotic species, native to most of Europe, Western Asia, and northwestern Africa

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Speyeria callippe comstocki on Cirsium vulgare, Meadow between Falcon and Blue Jay Cmpg., 6-24-12. © Ron Vanderhoff.

Bell View Trail, E of Robinson Ranch, 2-12-15. © Ron Vanderhoff.

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