Yellow Cups: Chylismia brevipes ssp. arizonica (Synonyms: Camissonia brevipes ssp. arizonica, Oenothera brevipes ssp. arizonica)
Yellow Cups: Chylismia brevipes ssp. brevipes (Synonyms: Camissonia brevipes ssp. brevipes, Oenothera brevipes ssp. brevipes)
Heartleaf Suncup: Chylismia cardiophylla ssp. cardiophylla (Synonyms: Oenothera cardiophylla, Oenothera cardiophylla var. typica)
Pinnate-leaved Primrose: Chylismia claviformis ssp. aurantiaca (Synonyms: Camissonia claviformis ssp. aurantiaca, Oenothera claviformis ssp. aurantiaca)
Browneyes: Chylismia claviformis ssp. claviformis (Synonyms: Camissonia claviformis, Oenothera claviformis)
Cruciform Evening-primrose: Chylismia claviformis ssp. cruciformis (Synonyms: Camissonia claviformis ssp. cruciformis, Oenothera claviformis ssp. citrina, Oenothera claviformis ssp. cruciformis)
Clavate-fruited Primrose: Chylismia claviformis ssp. funerea (Synonyms: Camissonia claviformis, Camissonia claviformis ssp. funerea, Oenothera claviformis, Oenothera claviformis ssp. funerea)
Clavate-fruited Primrose: Chylismia claviformis ssp. integrior (Synonyms: Camissonia claviformis, Camissonia claviformis ssp. integrior, Oenothera claviformis, Oenothera claviformis ssp. integrior)
Clavate-fruited Primrose: Chylismia claviformis ssp. lancifolia (Synonyms: Camissonia claviformis, Camissonia claviformis ssp. lancifolia, Chylismia lancifolia, Oenothera claviformis, Oenothera claviformis ssp. lancifolia)
Peirson's Clavate-fruited Primrose: Chylismia claviformis ssp. peirsonii (Synonyms: Camissonia claviformis, Camissonia claviformis ssp. peirsonii, Oenothera claviformis, Oenothera claviformis ssp. peirsonii)
Yuma Clavate-fruited Primrose: Chylismia claviformis ssp. yumae (Synonyms: Camissonia claviformis, Camissonia claviformis ssp. yumae, Oenothera claviformis, Oenothera claviformis ssp. yumae)
Booth's Sun Cup, Pine Creek Evening Primrose: Eremothera boothii ssp. alyssoides (Synonyms: Camissonia boothii ssp. alyssoides, Oenothera alyssoides)
Booth's Evening-primrose, Booth's Sun Cup: Eremothera boothii ssp. boothii (Synonym: Camissonia boothii ssp. boothii)
Clustered Booth's Desert Primrose: Eremothera boothii ssp. condensata (Synonyms: Camissonia boothii ssp. condensata, Oenothera boothii ssp. condensata)
Shredding Evening-primrose: Eremothera boothii ssp. decorticans (Synonyms: Camissonia boothii ssp. decorticans, Gaura decorticans, Oenothera boothii ssp. decorticans, Oenothera boothii ssp. rutila, Oenothera decorticans)
Booth's Desert Primrose, Desert Suncup: Eremomothera boothii ssp. desertorum (Synonyms: Camissoni boothii ssp. desertorum, Oenother boothii ssp. desertorum, Oenothera boothii ssp. inyoensis)
Booth's Sun Cup, Booth's Hairy Evening-primrose: Eremothera boothii ssp. intermedia (Synonyms: Camissonia boothii ssp. intermedia, Oenothera boothii ssp. intermedia)
Narrow-leaved Primrose: Eremothera refracta (Synonyms: Camissonia refracta, Oenothera deserti, Oenothera refracta)