Porpax nana(A. Rich.) Schuit., Y.P. Ng & H.A. Pedersen, Bot. J. Linn. Soc. 186: 200. 2018.
var. nana Endemic to India: Karnataka, Kerala, Tamil Nadu.
var. brevilinguis (J. Joseph & V. Chandras.) Agrawala & H.J. Chowdhery, J. Orchid. Soc. India 23: 68. 2009. Eria muscicolavar. brevilinguisJ. Joseph & V. Chandras., Bull. Bot. Surv. India 15: 267. 1976. Eria brevilinguis(J. Joseph & V. Chandras.) Bajrach. & K.K. Shrestha, Pleione 3: 166. 2009. Endemic to India: Kerala, Tamil Nadu.