Species by Genus: Hydnocarpus
- Hydnocarpus alpina
- Hydnocarpus castanea
- Hydnocarpus curtisii
- Hydnocarpus gracilis
- Hydnocarpus hutchinsonii
- Hydnocarpus ilicifolia
- Hydnocarpus kunstleri
- Hydnocarpus kurzii
- Hydnocarpus lobatus
- Hydnocarpus macrocarpa
- Hydnocarpus polypetala
- Hydnocarpus polypetalus
- Hydnocarpus setumpul
- Hydnocarpus sp.
- Hydnocarpus stigmatophorus
- Hydnocarpus sumatrana
- Hydnocarpus wightiana
- Hydnocarpus woodii