| 316912 | Perideridia gairdneri (Hook. & Arn.) Mathias | | | a | | Perideridia gairdneri (Hook. & Arn.) Mathias | |
| 316913 | Perideridia oregana (S. Watson) Mathias | | | a | | Perideridia oregana (S. Watson) Mathias | |
| 400655 | Perideridia erythrorhiza (Piper) T. I. Chuang & Constance | | | a | | Perideridia erythrorhiza (Piper) T. I. Chuang & Constance | |
| 448227 | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. | | | a | | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. | |
| 452211 | Perideridia lemmonii (J. M. Coult. & Rose) T. I. Chuang & Constance | | | a | | Perideridia lemmonii (J. M. Coult. & Rose) T. I. Chuang & Constance | |
| 452212 | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. subsp. latifolia (A. Gray) T. I. Chuang & Constance | | | a | i | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. subsp. latifolia (A. Gray) T. I. Chuang & Constance | |
| 452754 | Perideridia kelloggii (A. Gray) Mathias | | | a | | Perideridia kelloggii (A. Gray) Mathias | |
| 452759 | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. | | | a | | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. | |
| 452760 | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. subsp. parishii | | | a | i | Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. subsp. parishii | |
| 453317 | Perideridia howellii (J. M. Coult. & Rose) Mathias | | | a | | Perideridia howellii (J. M. Coult. & Rose) Mathias | |
| 461099 | Perideridia spp. | | | a | | Perideridia spp. | |
| 466368 | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. gairdneri | | | a | i | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. gairdneri | |
| 466369 | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. borealis T. I. Chuang & Constance | | | a | i | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. borealis T. I. Chuang & Constance | |
| 466370 | Perideridia montana (Blank.) Dorn | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. borealis T. I. Chuang & Constance | 466369 | | | Perideridia montana (Blank.) Dorn | Perideridia gairdneri (Hook. & Arn.) Mathias subsp. borealis T. I. Chuang & Constance |
| 467544 | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. subsp. bolanderi | | | a | i | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. subsp. bolanderi | |
| 467545 | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. subsp. involucrata T. I. Chuang & Constance | | | a | i | Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. subsp. involucrata T. I. Chuang & Constance | |