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323 evening primrose family species
Epilobium rigidum
Epilobium clavatum
Oenothera lindheimeri
Epilobium obcordatum
Oenothera filiformis
Epilobium canum
Clarkia gracilis
Epilobium lactiflorum
Oenothera elata
Epilobium montanum
Epilobium glaberrimum
Epilobium ravenii
Oenothera laciniata
Ludwigia hexapetala
Oenothera macrocarpa
Epilobium siskiyouense
Eremothera boothii
Epilobium hallianum
Clarkia unguiculata
Oenothera flava
Gayophytum humile
Gayophytum ramosissimum
Neoholmgrenia hilgardii
Oenothera albicaulis
Oenothera wolfii
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