Quadrella alaineana Cornejo & Iltis species accepted

Quadrella angustifolia (Kunth) Iltis & Cornejo species accepted

Quadrella antonensis (Woodson) Iltis & Cornejo species accepted

Quadrella asperifolia (C. Presl) Iltis & Cornejo species accepted

Quadrella calciphila (Standl. & Steyerm.) Iltis & Cornejo species accepted

Quadrella domingensis (Spreng. ex DC.) Iltis & Cornejo species accepted

Quadrella dressleri Cornejo & Iltis species accepted

Quadrella ferruginea (L.) Iltis & Cornejo species accepted

Quadrella filipes (Donn. Sm.) Iltis & Cornejo species accepted

Quadrella incana (Kunth) Iltis & Cornejo species accepted

Quadrella indica (L.) Iltis & Cornejo species accepted

Quadrella isthmensis (Eichler) Hutch. species accepted

Quadrella lundellii (Standl.) Iltis & Cornejo species accepted

Quadrella mirifica (Standl.) Iltis & Cornejo species accepted

Quadrella morenoi Cornejo & Iltis species accepted

Quadrella odoratissima (Jacq.) Hutch. species accepted

Quadrella pringlei (Briq.) Iltis & Cornejo species accepted

Quadrella quintanarooensis Iltis & Cornejo species accepted

Quadrella steyermarkii (Standl.) Iltis & Cornejo species accepted

Quadrella cynophallophora (L.) Hutch. species accepted

Quadrella lindeniana Cornejo & Iltis species accepted

Quadrella singularis (R. Rankin) Iltis & Cornejo species accepted