Wiehler (C.H.Wright) 1912 - Wiehler H (1978) THE GENERA EPISCIA, ALSOBIA, NAUTILOCALYX, AND PARADRYMONIA (GESNERIACEAE). Selbyana 5(1): 11-60. Retrieved from http://www.jstor.org/stable/41759515
There is no corrections for Paradrymonia densa yet.