All Species in Acanthopsis
- Acanthopsis adamanticola (Acanthopsis adamanticola)
- Acanthopsis carduifolia (Acanthopsis carduifolia)
- Acanthopsis disperma (Acanthopsis disperma)
- Acanthopsis dispermoides (Acanthopsis dispermoides)
- Acanthopsis dregeana (Acanthopsis dregeana)
- Acanthopsis dregeana subsp. dregeana (Acanthopsis dregeana subsp. dregeana)
- Acanthopsis dregeana subsp. longispina (Acanthopsis dregeana subsp. longispina)
- Acanthopsis erosa (Acanthopsis erosa)
- Acanthopsis glabra (Acanthopsis glabra)
- Acanthopsis glandulopalmata (Acanthopsis glandulopalmata)
- Acanthopsis glauca (Acanthopsis glauca)
- Acanthopsis hoffmannseggiana (Acanthopsis hoffmannseggiana)
- Acanthopsis horrida (Acanthopsis horrida)
- Acanthopsis insueta (Acanthopsis insueta)
- Acanthopsis ludoviciana (Acanthopsis ludoviciana)
- Acanthopsis nitida (Acanthopsis nitida)
- Acanthopsis pagodiformis (Acanthopsis pagodiformis)
- Acanthopsis scullyi (Acanthopsis scullyi)
- Acanthopsis spathularis (Acanthopsis spathularis)
- Acanthopsis tetragona (Acanthopsis tetragona)
- Acanthopsis tetragona subsp. pedunculata (Acanthopsis tetragona subsp. pedunculata)
- Acanthopsis tetragona subsp. tetragona (Acanthopsis tetragona subsp. tetragona)
- Acanthopsis tuba (Acanthopsis tuba)
- Acanthopsis villosa (Acanthopsis villosa)