| Name | Pycreus flavidus (Retzius) T. Koyama |
| Authorship | (Retzius) T. Koyama |
| Rank | Species |
| Placed in | Pycreus |
| Citation | 1976 J. Jap. Bot. 51(10): 316 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Pycreus flavidus (Retzius) T. Koyama |
| Identification made in | 2009 (6) |