| taxonName | relationship | relatedTaxonName | relatedTaxonRefText | relComments |
|---|
| Oenothera fruticosa var. fruticosa | > | Oenothera fruticosa var. linearis | Fernald (1950) | |
| Oenothera fruticosa var. fruticosa | > | Oenothera fruticosa var. linearis | Flora of West Virginia | |
| Oenothera fruticosa var. fruticosa | > | Oenothera fruticosa var. humifusa | Fernald (1950) | |
| Oenothera fruticosa var. fruticosa | > | Oenothera fruticosa var. humifusa | Gleason (1952) | |
| Oenothera fruticosa var. fruticosa | > | Oenothera fruticosa var. humifusa | Straley (1977)=V. Keys adapted in part from those references. | |
| Oenothera fruticosa var. fruticosa | > | Kneiffia fruticosa | Small (1933, 1938) | |
| Oenothera fruticosa var. fruticosa | > | Kneiffia arenicola | Small (1933, 1938) | |
| Oenothera fruticosa var. fruticosa | > | Kneiffia semiglandulosa | Small (1933, 1938) | |
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| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa | Gleason and Cronquist (1991) | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa | Radford, Ahles, and Bell (1968) | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa | Flora of Virginia | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa | Wunderlin & Hansen Flora of Florida (3) | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | Straley (1977)=V. Keys adapted in part from those references. | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | Straley (1977)=V. Keys adapted in part from those references. | |
| Oenothera fruticosa var. fruticosa | < | Oenothera fruticosa ssp. fruticosa | Wofford (1989) | |
| Source: Weakley's Flora |