Onagraceae

Oenothera pallida

Oenothera pallida

pale-stemed evening primrose
Camissonia andina

Camissonia andina

obscure evening primrose
Oenothera biennis

Oenothera biennis

common evening primrose
Camissonia subacaulis

Camissonia subacaulis

northern suncup
Camissonia tanacetifolia

Camissonia tanacetifolia

tansy-leaved evening primrose
Epilobium rigidum

Epilobium rigidum

Siskiyou Mountains willowherb