Browse photos by Craig Althen:
Callitriche
Chaenorhinum
Chaenorhinum minus – 3 photos
Collinsia
Hippuris
Hippuris vulgaris – 3 photos
Linaria
Linaria dalmatica – 7 photos
Linaria vulgaris – 4 photos
Penstemon
Penstemon confertus – 6 photos
Penstemon ellipticus – 10 photos
Penstemon venustus – 5 photos
Penstemon wilcoxii – 7 photos
Plantago
Plantago lanceolata – 6 photos
Plantago major – 2 photos
Plantago patagonica – 3 photos
Veronica
Veronica americana – 3 photos
Veronica arvensis – 2 photos
Veronica peregrina – 1 photo
Veronica rubra – 2 photos