Members of the Evening-primrose Family Found in the Columbia River Gorge:

A. Spike-primroses: The Genus Epilobium (Synonym: The Genus Boisduvalia) -

Hairy Evening-primrose: Camissonia pubens (Synonyms: Oenothera contorta var. pubens, Oenothera pubens) -

Sandysoil Suncup: Camissonia strigulosa (Synonyms: Oenothera contorta var. epilobioides, Oenothera contorta var. strigulosa, Oenothera strigulosa, Sphaerostigma strigulosa) -

Tansy-leaf Evening-primrose, Tansy-leaved Evening Primrose: Camissonia tanacetifolia ssp. tanacetifolia (Synonym: Oenothera tanacetifolia) -

C. Fireweed: The Genus Chamerion -

D. Enchanter's Nightshade , Small Enchanter's Nightshade: Circaea alpina ssp. pacifica (Synonyms: Circaea alpina, Circaea alpina ssp. alpina, Circaea alpina var. pacifica, Circaea pacifica) -

E. Clarkias: The Genus Clarkia -

F. Willowherbs: The Genus Epilobium -

G. Small-flowered Gaura: Gaura parviflora -

H. Groundsmokes: The Genus Gayophytum -

I. East False Loosestrife, False Loosestrife, Marsh Primrose-willow, Marsh Seedbox: Ludwigia palustris (Synonyms: Isnardia palustris, Ludwigia palustris var. americana, Ludwigia palustris var. nana, Ludwigia palustris var. pacifica) -

J. Evening-primroses: The Genus Oenothera -