Taxa Count: 25
ONAGRACEAE
Oenothera deltoides ssp. deltoides
Oenothera deltoides subsp. cognata (Jeps.) W.M. Klein intergrading with O. deltoides subsp. howellii (Munz) W.M. Klein
Oenothera deltoides subsp. howellii X O. deltoides subsp. conata
Oenothera deltoides subsp. julpunensis
Family Not Defined
Oenothera deltoides subsp howellii