- Cereus martinii
- Harrisia adscendens
- Harrisia adscendens (Gürke) Britton & Rose
- Harrisia brookii
- Harrisia divaricata
- Harrisia divaricata (Lam.) Lourteig
- Harrisia divaricata (Lam.) Backeb.
- Harrisia eriophora
- Harrisia eriophora (Pfeiff.) Britt.
- Harrisia formosa
- Harrisia nashii
- Harrisia nashii Britton
- Harrisia sp.