| Name | Philodendron callosum K. Krause |
| Authorship | K. Krause |
| Rank | Species |
| Placed in | Philodendron Schott |
| Citation | 1913 Pflanzenr. [Engler] Fam. 23 Db: 28 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Philodendron callosum K. Krause |
| Identification made in | [no date] (2) |