| Species | Collector | Region | Date | Status | Accession | |
|---|---|---|---|---|---|---|
| N. rajah | Hugh Low | Borneo, Sabah | 1858-03-14 | Vulnerable | FLR-1858-0042 | ••• |
| N. bicalcarata | Thomas Lobb | Borneo, Sarawak | 1855-11-02 | Active | FLR-1855-0187 | ••• |
| N. northiana | Spencer St. John | Borneo, Sarawak | 1862-06-20 | Endangered | FLR-1862-0031 | ••• |
| N. ampullaria | Friedrich Welwitsch | Malaya, Penang | 1859-08-11 | Active | FLR-1859-0214 | ••• |
| N. villosa | Joseph Dalton Hooker | Borneo, Mt. Kinabalu | 1857-02-28 | Critical | FLR-1857-0055 | ••• |
| N. gracilis | Thomas Lobb | Sumatra, Aceh | 1861-04-07 | Active | FLR-1861-0098 | ••• |
| N. maxima | Odoardo Beccari | Sulawesi, Central | 1864-01-19 | Vulnerable | FLR-1864-0013 | ••• |