There were 8 illustrations found for epithet aviculus,-a,-um
 
301316 385573 Epidendrum avicula Lindl. C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 3(5): fasicle 123, (Orchidaceae, tribus VII - XVII): t. 8 (1898)
 
309086 725171 Ornithocephalus ciliatus Lindl. C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 3(6): fasicle 128, (Orchidaceae, tribus XVIII - XXII, addenda et emendanda): t. 45 (1905)