| Name | Porophyllum macrocephalum var. leiocarpum Urban |
| Authorship | Urban |
| Rank | Variety |
| Placed in | Porophyllum macrocephalum de Candolle |
| Citation | 1899 Symb. Antill. [Urban] 1(3): 466 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Porophyllum macrocephalum var. leiocarpum Urban |
| Identification made in | [no date] (1), 1911 (1), 2025 (1) |