Metrosideros robusta | Grevillea robusta | Washingtonia robusta | Tyto robusta | Otophryne robusta | Opuntia robusta | Hypsipyla robusta | Hydrangea robusta | Helobdella robusta | Eucalyptus robusta | Derris robusta | Bhesa robusta |
The spiders Oparara karamea and Oparara vallus are also endemic to the area, while the caves are home to the protected Nelson cave spider, glowworms, and the New Zealand greater short-tailed bat.