| Gesneriaceae Dumort. (Family) |
C | | | | | | | | B | | details |
| Gesneriaceae Dumort. subfam. Gesnerioideae (Subfamily) |
| | | | | | | | | | details |
| Gesneriaceae Dumort. subfam. Gesnerioideae tr. Episcieae Endl. (Tribe) |
| | | | | | | | | | details |
| Tussacia Rchb. (Genus) |
| | | | | | | | | | details |
| Tussacia friedrichsthaliana Hanst. (Species) |
| | sC | | | | | | | sB | details |
| Tussacia pulchella (Donn. ex Sims) Rchb. ex Walpers (Species) |
| | sC | | | | | | | | details |
| Tussacia pulchella Hoehne (Species) |
| | | | | | | | | | details |
| Tussacia rupestris Benth. (Species) |
| | | | | | | | | | details |
| Tussacia semiclausa Hanst. (Species) |
| | | | | | | | | | details |
| Tussacia villosa Benth. (Species) |
| | | | | | | | | | details |
| Tussacia woodsoni Morton (Species) |
| | sC | | | | | | | | details |