| sample img | Species |
|---|---|
| Harrisia portoricensis Britton | |
| Harrisia aboriginum Small ex Britton & Rose | |
| Harrisia fragrans Small ex Britton & Rose | |
| Harrisia martinii (Labour.) Britton | |
| Harrisia simpsonii Small ex Britton & Rose | |
|
|
Harrisia pomanensis (F.A.C. Weber ex K. Schum.) Britton & Rose |
| Harrisia tortuosa (J. Forbes ex Otto & A. Dietr.) Britton & Rose | |
| Harrisia adscendens (Gürke) Britton & Rose | |
| Harrisia balansae (K. Schum.) N.P. Taylor & Zappi | |
| Harrisia eriophora (Pfeiff.) Britton | |
| Harrisia gracilis (Mill.) Britton | |
| Harrisia regelii (Weing.) Borg | |
| Harrisia tetracantha (Labour.) D.R. Hunt | |
| Harrisia nashii Britton | |
| Harrisia taylorii Britton | |
| Harrisia taetra Areces | |
| Harrisia brookii Britton | |
| Harrisia divaricata (Lam.) Backeb. | |
| Harrisia earlei Britton & Rose | |
| Harrisia fernowii Britton | |
| Harrisia hurstii W.T. Marshall | |
| Harrisia serruliflorus (Haw.) Lourteig | |
| Harrisia fimbriata (Lam.) F.M. Knuth | |
| Harrisia guelichii (Speg.) Britton & Rose |