| Cactaceae | |
Harrisia aboriginum
| Small ex Britton & Rose | Cact. 2: 154 | 1920 |
| Cactaceae | |
Harrisia adscendens
| (Gürke) Britton & Rose | Cact. 2: 155–156, f. 226 | 1920 |
| Cactaceae | |
Harrisia balansae
| (K. Schum.) N.P. Taylor & Zappi | Cactaceae Consensus Init. 3: 7 | 1997 |
| Cactaceae | |
Harrisia bonplandii
| (Parm. ex Pfeiff.) Britton & Rose | Cact. 2: 157–158, f. 227, t. 24, f. 2 | 1920 |
| Cactaceae | |
Harrisia brookii
| Britton | Bull. Torrey Bot. Club 35: 564 | 1908 |
| Cactaceae | |
Harrisia caymanensis
| A.R. Franck | Haseltonia 18: 98-99, f. 1-2 | 2012 |
| Cactaceae | |
Harrisia cubensis
| (Zucc. ex Seitz) Greuter & R. Rankin | Espermat. Cuba Invent. Prelim. XII | 2016 |
| Cactaceae | |
Harrisia deeringii
| Backeb. | | |
| Cactaceae | |
Harrisia divaricata
| (Lam.) Backeb. | Cactaceae Handb. Kakteen. 4: 2101 | 1960 |
| Cactaceae | ** |
Harrisia divaricata
| (Lam.) Lourteig | Bradea 5(44): 407 | 1991 |
| Cactaceae | |
Harrisia donae-antoniae
| Hooten | Cact. Succ. J. (Los Angeles) 63(2): 65 | 1991 |
| Cactaceae | |
Harrisia earlei
| Britton & Rose | Cact. 2: 154 | 1920 |
| Cactaceae | |
Harrisia eriophora
| (hort. ex Pfeiff.) Britton | Bull. Torrey Bot. Club 35(12): 562 | 1908 |
| Cactaceae | |
Harrisia fernowii
| Britton | Bull. Torrey Bot. Club 35: 562 | 1908 |
| Cactaceae | |
Harrisia fimbriata
| (Lam.) F.M. Knuth | Kaktus-ABC 309 | 1935 |
| Cactaceae | |
Harrisia fragrans
| Small ex Britton & Rose | Cact. 2: 149–150, f. 216, pl. 19, f. 1–2 | 1920 |
| Cactaceae | |
Harrisia gracilis
| (Mill.) Britton | Bull. Torrey Bot. Club 35(12): 563 | 1908 |
| Cactaceae | |
Harrisia guelichii
| (Speg.) Britton & Rose | Cact. 2: 158, f. 228 | 1920 |
| Cactaceae | |
Harrisia hahniana
| (Backeb.) Kimnach & Hutchison ex Kimnach | Cact. Succ. J. (Los Angeles) 59(2): 59 | 1987 |
| Cactaceae | |
Harrisia hurstii
| W.T. Marshall | Cactaceae (Berlin) 1941: 96–97, f. 46 | 1941 |
| Cactaceae | |
Harrisia jusbertii
| (Rebut & K. Schum.) Frič | Möller's Deutsche Gärtn.-Zeitung 36: 421 | 1932 |
| Cactaceae | |
Harrisia martinii
| (Labour.) Britton | Cact. 2: 155, t. 19, f. 3 | 1920 |
| Cactaceae | |
Harrisia nashii
| Britton | Bull. Torrey Bot. Club 35: 564 | 1908 |
| Cactaceae | |
Harrisia platygona
| (Hortus Botanicus Berolinensis ex Salm-Dyck) Britton & Rose | Cact. 2: 156–157 | 1920 |
| Cactaceae | |
Harrisia pomanensis
| (F.A.C. Weber ex K. Schum.) Britton & Rose | Cact. 2: 155, f. 225 | 1920 |
| Cactaceae | |
Harrisia portoricensis
| Britton | Bull. Torrey Bot. Club 35: 563 | 1908 [1909] |
| Cactaceae | |
Harrisia regelii
| (Weing.) Borg | Cacti (Borg) 145 | 1937 |
| Cactaceae | |
Harrisia serruliflora
| (Haw.) Lourteig | Bradea 5(44): 408 | 1991 |
| Cactaceae | |
Harrisia serruliflorus
| (Haw.) Lourteig | Bradea 5(44): 408 | 1991 |
| Cactaceae | |
Harrisia simpsonii
| Small ex Britton & Rose | Cact. 2: 152–153, f. 223 | 1920 |
| Cactaceae | |
Harrisia taetra
| Areces | Revista Jard. Bot. Nac. Univ. Habana 1(1): 17 | 1980 [1981] |
| Cactaceae | |
Harrisia taylorii
| Britton | Bull. Torrey Bot. Club 35: 565 | 1908 |
| Cactaceae | |
Harrisia tetracantha
| (Labour.) D.R. Hunt | Bradleya 5: 92 | 1987 |
| Cactaceae | |
Harrisia tortuosa
| (J. Forbes ex Otto & A. Dietr.) Britton & Rose | Cact. 2: 154–155, t. 21, f. 1 | 1920 |
| Cactaceae | |
Harrisia undata
| Britton | Bull. Torrey Bot. Club 35: 564 | 1909 |