| Name | Zygodesmus effusus Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Zygodesmus |
| Citation | 1875 Grevillea 3(no. 28): 145 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Zygodesmus effusus Berkeley & M. A. Curtis |
| Identification made in | [no date] (1), 2025 (1) |