Browse photos by Gerald D. Carr:
Baccharis
Balsamorhiza
Carduus
Chaenactis
Cirsium
Cirsium scariosum – 4 photos
Crepis
Leontodon
Nabalus
Nabalus alatus – 10 photos
Nestotus
Petasites
Rudbeckia
Senecio
Sericocarpus
Solidago
Solidago spathulata – 7 photos
Sonchus
Sonchus asper – 2 photos