| Apiaceae | |
Perideridia americana
| (Nutt. ex DC.) Rchb. ex Steud. | Nomencl. Bot. (ed. 2) 1: 605 | 1840 |
| Apiaceae | |
Perideridia bacigalupii
| T.I. Chuang & Constance | Univ. Calif. Publ. Bot. 55: 36–38, f. 11, 14 | 1969 |
| Apiaceae | |
Perideridia bolanderi
| (A. Gray) A. Nelson & J.F. Macbr. | Bot. Gaz. 61(1): 33 | 1916 |
| Apiaceae | ** |
Perideridia bolanderi
| (A. Gray) House | New York State Mus. Bull. 233–234: 68 | 1920 [1921] |
| Apiaceae | ** |
Perideridia californica
| (Torr.) House | New York State Mus. Bull. 233–234: 68 | 1920 [1921] |
| Apiaceae | |
Perideridia californica
| (Torr.) A. Nelson & J.F. Macbr. | Bot. Gaz. 61(1): 33 | 1916 |
| Apiaceae | |
Perideridia erythrorhiza
| (Piper) T.I. Chuang & Constance | Univ. Calif. Publ. Bot. 55: 71 | 1969 |
| Apiaceae | |
Perideridia gairdneri
| (Hook. & Arn.) Mathias | Brittonia 2(3): 244 | 1936 |
| Apiaceae | |
Perideridia howellii
| (J.M. Coult. & Rose) Mathias | Brittonia 2(3): 244 | 1936 |
| Apiaceae | |
Perideridia kelloggii
| (A. Gray) Mathias | Brittonia 2(3): 244 | 1936 |
| Apiaceae | |
Perideridia lemmonii
| (J.M. Coult. & Rose) T.I. Chuang & Constance | Univ. Calif. Publ. Bot. 55: 63 | 1969 |
| Apiaceae | |
Perideridia leptocarpa
| T.I. Chuang & Constance | Univ. Calif. Publ. Bot. 55: 51, 53–54, f. 18, 22 | 1969 |
| Apiaceae | |
Perideridia montana
| (Blank.) Dorn | Vasc. Pl. Wyoming 295 | 1988 |
| Apiaceae | |
Perideridia neurophylla
| (Maxim.) T.I. Chuang & Constance | Univ. Calif. Publ. Bot. 55: 28 | 1969 |
| Apiaceae | |
Perideridia oregana
| (S. Watson) Mathias | Brittonia 2(3): 243 | 1936 |
| Apiaceae | |
Perideridia parishii
| (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. | Bot. Gaz. 61(1): 33 | 1916 |
| Apiaceae | ** |
Perideridia parishii
| (J.M. Coult. & Rose) House | New York State Mus. Bull. 233–234: 68 | 1920 [1921] |
| Apiaceae | ** |
Perideridia pringlei
| (J.M. Coult. & Rose) House | New York State Mus. Bull. 233–234: 68 | 1920 [1921] |
| Apiaceae | |
Perideridia pringlei
| (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. | Bot. Gaz. 61(1): 33 | 1916 |
| Apiaceae | |
Perideridia rusbyi
| (J.M. Coult. & Rose) House | New York State Mus. Bull. 233–234: 68 | 1920 [1921] |