There were 4 illustrations found for epithet matitanensis,-is,-e
 
427446 165272 Bulbophyllum pentastichum (Pfitzer ex Kraenzl.) Schltr. [80 164851 Bulbophyllum matitanense H. Perrier] Fl. Madag., vol. 49(1): (Orchidées): p. 419 (1939) [M.J. Vesque]