| Arten: |
| Harrisia aboriginum
Small |
| Harrisia adscendens
(Gürke) Britton & Rose |
| Harrisia balansae
(K.Schum.) N.P.Taylor & Zappi |
| Harrisia brookii
Britton |
| Harrisia divaricata
(Lam.) Backeb. |
| Harrisia earlei
Britton & Rose |
| Harrisia eriophora
(Pfeiff.) Britton & Rose |
| Harrisia fernowii
Britton |
| Harrisia gracilis
(Mill.) Britton |
| Harrisia hurstii
W.T.Marshall |
| Harrisia martinii
(Labour.) Britton |
| Harrisia nashii
Britton |
| Harrisia pomanensis
(F.A.C.Weber) Britton & Rose |
| Harrisia pomanensis subsp. pomanensis |
| Harrisia pomanensis subsp. regelii
(Weing.) R.Kiesling |
| Harrisia portoricensis
Britton |
| Harrisia simpsonii
Small |
| Harrisia taetra
Areces |
| Harrisia taylori
Britton |
| Harrisia tephracantha
(Labour.) D.R.Hunt |
| Harrisia tortuosa (J.Forbes ex Otto & A.Dietrich) Britton & Rose |