| Name | Porotrichum neckeroides (Hooker) R. S. Williams |
| Authorship | (Hooker) R. S. Williams |
| Rank | Species |
| Placed in | Porotrichum |
| Citation | 1901. Bull. New York Bot. Gard. 2(6): 137. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porotrichum neckeroides (Hooker) R. S. Williams |
| Identification made in | [no date] (1) |