Kumar, P.; Gale, S. W.; Li, J.-H.; Bouamanivong, S.; Fischer, G. A.

Thismia nigricoronata, a New Species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a Key to Subgeneric classification

. Phytotaxa 2017, 319, 225–240.