| taxonName | relationship | relatedTaxonName | relatedTaxonRefText | relComments |
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| Tilia americana var. heterophylla | = | Tilia heterophylla | Fernald (1950) | |
| Tilia americana var. heterophylla | = | Tilia heterophylla | Radford, Ahles, and Bell (1968) | |
| Tilia americana var. heterophylla | = | Tilia heterophylla | Wofford (1989) | |
| Tilia americana var. heterophylla | = | Tilia heterophylla | Flora of West Virginia | |
| Tilia americana var. heterophylla | < | Tilia americana | Flora of North America (1993b, 1997, 2000, 2002a, 2002b, 2003a, 2004b, 2005, 2006a, 2006b, 2006c, 2007a, 2009, 2010) | |
| Tilia americana var. heterophylla | > | Tilia heterophylla | Gleason (1952) | |
| Tilia americana var. heterophylla | > | Tilia heterophylla | Small (1933, 1938) | |
| Tilia americana var. heterophylla | > | Tilia monticola | Gleason (1952) | |
| Tilia americana var. heterophylla | > | Tilia australis | Small (1933, 1938) | |
| Tilia americana var. heterophylla | > | Tilia eburnea | Small (1933, 1938) | |
| Tilia americana var. heterophylla | > | Tilia lasioclada | Small (1933, 1938) | |
| Tilia americana var. heterophylla | > | Tilia michauxii | Small (1933, 1938) | |
| Tilia americana var. heterophylla | > | Tilia venulosa | | |
| Tilia americana var. heterophylla | = | Tilia caroliniana ssp. heterophylla | Bayer & Kubitzki in Kubitzki & Bayer (2003). Key adapted from Hardin (1990) and Stace (2010). | |
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| Source: Weakley's Flora |
