VAN WYK, B.-E. and TILNEY, P.M. 2001. THE GENERIC POSITION OF ANNESORHIZA FILICAULIS ECKL. & ZEYH. (APIACEAE). Edinburgh Journal of Botany. 58, 3 (Oct. 2001), 383–387. DOI:https://doi.org/10.1017/S0960428601000701.