Species having 'crassifolia' as epithet name:
- Byrsonima crassifolia
- Cyphomandra crassifolia Syn. for: Solanum betaceum
- Lasia crassifolia Syn. for: Lasia spinosa
- Maerua crassifolia
- Stachytarpheta crassifolia
- Valerianoides crassifolia Syn. for: Stachytarpheta crassifolia
- Witheringia crassifolia Syn. for: Solanum africanum