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CCDB → Angiosperms → Scrophulariaceae → Alonsoa
| Taxon name | Status | Median (n) |
| Alonsoa acutifolia Ruiz & Pav. | Accepted | 28 |
| Alonsoa auriculata Diels | Accepted | 28 |
| Alonsoa honoraria Grau | Accepted | 28 |
| Alonsoa linearis (Jacq.) Ruiz & Pav. | Accepted | 20 |
| Alonsoa linearis var. platyphylla (Diels) Edwin | Accepted | 28 |
| Alonsoa peduncularis (Kuntze) Wettst. | Accepted | 14 |
| Alonsoa incisifolia Ruiz & Pav. | Synonym of Alonsoa meridionalis (L.) Kuntze | 25 |
| Alonsoa meridionalis var. carnea Kuntze | Synonym of Alonsoa meridionalis (L.) Kuntze | 25 |
| Alonsoa meridionalis var. meridionalis | Synonym of Alonsoa meridionalis (L.) Kuntze | 25 |
| Alonsoa procumbens Ruiz & Pav. | Synonym of Alonsoa meridionalis (L.) Kuntze | 25 |
| Alonsoa warscewiczii Regel | Synonym of Alonsoa meridionalis (L.) Kuntze | 25 |
| Alonsoa unilabiata Ruiz & Pav. ex Steud. | Synonym of Diascia unilabiata (Thunb.) Benth. | 14 |