| Name | Ectropothecium ptychofolium N. Nishimura |
| Authorship | N. Nishimura |
| Rank | Species |
| Placed in | Ectropothecium |
| Citation | 1984 Bull. Natl. Sci. Mus., Tokyo, B. 10: 154 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ectropothecium ptychofolium N. Nishimura |
| Identification made in | 1990 (1) |