| Nepenthes villosa Hook.f. | Malaysia | Sinclair, Ian W.J. & Argent, George C.G. | 8281 | E | N/A | E00293841 | no |
| Nepenthes villosa Hook.f. | Malaysia | Argent, G.C.G. | 25108522 | E | N/A | E00293681 | no |
| Nepenthes villosa Hook.f. | Malaysia | Argent, G.C.G. | 25108522 | E | N/A | E00293680 | no |
| Nepenthes villosa Hook. f. | Unknown or unspecified country | | s.n. | K | Spirit Collection | 25067.000 | no |
| Nepenthes villosa Hook. f. | Malaysia | Argent,G. & Sinclair,I., Argent,G. & Sinclair,I. 8281 | 8281 | W | Herbarium W | 2010-0014088 | no |
| Nepenthes villosa Hook.f. | Unknown or unspecified country | Low | s.n. | K | Herbarium | K000651455 | yes |
| Nepenthes villosa Hook.f. | Unknown or unspecified country | Low | s.n. | K | Herbarium | K000651456 | yes |