All Species in Triosteum
- Feverwort (Triosteum perfoliatum)
- Orangefruit Horse-Gentian (Triosteum aurantiacum)
- Triosteum aurantiacum var. aurantiacum (Triosteum aurantiacum var. aurantiacum)
- Triosteum aurantiacum var. glaucescens (Triosteum aurantiacum var. glaucescens)
- Triosteum aurantiacum var. illinoense (Triosteum aurantiacum var. illinoense)
- Triosteum himalayanum (Triosteum himalayanum)
- Triosteum pinnatifidum (Triosteum pinnatifidum)
- Triosteum sinuatum (Triosteum sinuatum)
- Triosteum × eamesii (Triosteum × eamesii)
- Yellowfruit Horse-Gentian (Triosteum angustifolium)