Perideridia bacigalupii T. I. Chuang & Constance species accepted

Perideridia erythrorhiza (Piper) T. I. Chuang & Constance species accepted

Perideridia kelloggii (A. Gray) Mathias species accepted

Perideridia parishii (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. species accepted

Perideridia americana (Nutt. ex DC.) Rchb. species accepted

Perideridia bolanderi (A. Gray) A. Nelson & J. F. Macbr. species accepted

Perideridia gairdneri (Hook. & Arn.) Mathias species accepted

Perideridia lemmonii (J. M. Coult. & Rose) T. I. Chuang & Constance species accepted

Perideridia californica (Torr.) A. Nelson & J. F. Macbr. species accepted

Perideridia howellii (J. M. Coult. & Rose) Mathias species accepted

Perideridia leptocarpa T. I. Chuang & Constance species accepted

Perideridia oregana (Nutt. ex Torr. & A. Gray) Mathias species accepted

Perideridia pringlei (J. M. Coult. & Rose) A. Nelson & J. F. Macbr. species accepted