| Name | Betula papyrifera var. cordifolia (Regel) Regel |
| Authorship | (Regel) Regel |
| Rank | Variety |
| Placed in | Betula papyrifera Marshall |
| Citation | 1865 Bull. Soc. Imp. Naturalistes Moscou 38: 401 |
| Holdings | 119 Specimens held in the Harvard University Herbaria identified as Betula papyrifera var. cordifolia (Regel) Regel |
| Identification made in | [no date] (119) |
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