| Name | Apocynum medium Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Apocynum Linnaeus |
| Citation | 1897 Pittonia 3(17): 229 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Apocynum medium Greene |
| Identification made in | [no date] (3) |
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