| taxonName | relationship | relatedTaxonName | relatedTaxonRefText | relComments |
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| Cercis canadensis var. canadensis | < | Cercis canadensis | Fernald (1950) | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | Radford, Ahles, and Bell (1968) | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | Small (1933, 1938) | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | Wofford (1989) | |
| Cercis canadensis var. canadensis | < | Cercis canadensis | Wunderlin & Hansen Flora of Florida (3) | |
| Source: Weakley's Flora |