Siphoneugena crassifolia (DC.) Proença & Sobral species accepted

Siphoneugena delicata Sobral & Proença species accepted

Siphoneugena densiflora O. Berg species accepted

Siphoneugena dussii (Krug & Urb.) Proença species accepted

Siphoneugena glabrata Loza & P. Jørg. species accepted

Siphoneugena kiaerskoviana (Burret) Kausel species accepted

Siphoneugena kuhlmannii Mattos species accepted

Siphoneugena martinellii (G. M. Barroso & Peixoto) Stadnik & Sobral species accepted

Siphoneugena minima Loza & A. Fuentes species accepted

Siphoneugena occidentalis D. Legrand species accepted

Siphoneugena reitzii D. Legrand species accepted

Siphoneugena guilfoyleiana Proença species accepted

Siphoneugena carolyniae T. Fern. & J. M. A. Braga species accepted