D.  Petrie, ?Description of a new genus and of new species of native plants?, Transactions of the New Zealand Institute, vol. 25, pp. 269 - 275, 1893.

C. A.  Cogniaux, ?Pogoniopsis?, in Flora Brasiliensis, vol. 3(4), C. F. P.  Martius, Ed. München: , 1893, pp. 134 - 136.