| Name | Chaetanthera pusilla (Don) Hooker & Arnott |
| Authorship | (Don) Hooker & Arnott |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Chaetanthera Ruiz & Pavon |
| GUID | urn:lsid:ipni.org:names:1076702-2 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Chaetanthera pusilla (Don) Hooker & Arnott |
| Identification made in | 1911 (3) |