Name | Betula ×hornei E. J. Butler |
Authorship | E. J. Butler |
Rank | Species |
Placed in | Betula Linnaeus |
Citation | 1909 Bull. Torrey Bot. Club 36: 425, fig. 3 |
Holdings | 3 Specimens held in the Harvard University Herbaria identified as Betula ×hornei E. J. Butler |
Identification made in | [no date] (3) |