Browse photos by David Giblin:
Achillea
Balsamorhiza
Balsamorhiza rosea – 5 photos
Bidens
Bidens cernua – 1 photo
Crocidium
Erechtites
Erechtites minimus – 2 photos
Erigeron
Erigeron corymbosus – 5 photos
Grindelia
Grindelia hirsutula – 4 photos
Petasites
Petasites frigidus – 1 photo
Psilocarphus
Senecio
Sericocarpus
Xanthium