| Cactaceae | |
Arrojadoa albicoronata
| P.J. Braun & Esteves Pereira | Cact. Succ. J. (Los Angeles) 79: 262 | 2007 |
| Cactaceae | |
Arrojadoa × albiflora
| Buining & Brederoo | Succulenta (Netherlands) 54(2): 21 | 1975 |
| Cactaceae | |
Arrojadoa aureispina
| Buining & Brederoo | Kakteen And. Sukk. 23(4): 95–98 | 1972 |
| Cactaceae | |
Arrojadoa bahiensis
| (U. Braun & Esteves Pereira) N.P. Taylor & Eggli | Kew Bull. 49(1): 98 | 1993 [1994] |
| Cactaceae | |
Arrojadoa beateae
| P.J. Braun & Esteves Pereira | Cact. Succ. J. (Los Angeles) 60: 174 | 1988 |
| Cactaceae | |
Arrojadoa canudosensis
| Buining & Brederoo | Cact. Succ. J. (Los Angeles) 44: 111–113 | 1972 |
| Cactaceae | |
Arrojadoa dinae
| Buining & Brederoo | Kakteen And. Sukk. 24: 99–101 | 1973 |
| Cactaceae | |
Arrojadoa eriocaulis
| Buining & Brederoo | Kakteen And. Sukk. 24(11): 241 | 1973 |
| Cactaceae | |
Arrojadoa flava
| D.R. Gonzaga & Engels | Phytotaxa 597(1): 74, f. 1-3 | 2023 |
| Cactaceae | |
Arrojadoa heimenii
| Van Heek & Strecker | Kakteen And. Sukk. 50: 137 | 1999 |
| Cactaceae | |
Arrojadoa hofackeriana
| (P.J. Braun & Esteves Pereira) P.J. Braun & Esteves Pereira | Cact. Succ. J. (Los Angeles) 79: 259 | 2007 |
| Cactaceae | |
Arrojadoa horstiana
| P.J. Braun & Heimen | Kakteen And. Sukk. 32(8): 186 | 1981 |
| Cactaceae | |
Arrojadoa marylaniae
| Soares Filho & M. Machado | Brit. Cact. Succ. J. 21: 114 | 2003 |
| Cactaceae | |
Arrojadoa multiflora
| F. Ritter | Kakteen Südamer. 1: 89 | 1979 |
| Cactaceae | |
Arrojadoa olsthoorniana
| Hofacker, M. Machado & R. Pontes | Kakteen And. Sukk. 72(10): 306 | 2021 |
| Cactaceae | |
Arrojadoa penicillata
| (Gürke) Britton & Rose | Cact. 2: 171, f. 243 | 1920 |
| Cactaceae | |
Arrojadoa polyantha
| (Werderm.) D.R. Hunt | Bradleya 5: 92 | 1987 |
| Cactaceae | |
Arrojadoa rhodantha
| (Gürke) Britton & Rose | Cact. 2: 170–171, t. 25, f. 4, t. 27, f. 1 | 1920 |
| Cactaceae | |
Arrojadoa rosenbergeriana
| P.J. Braun, Esteves Pereira & Van Heek | Cact. Succ. J. (Los Angeles) 79: 260 | 2007 |
| Cactaceae | |
Arrojadoa theunisseniana
| Buining & Brederoo | Kakteen (H. Krainz) 52: | 1973 |