Xylobium foveatum (Lindl.) G. Nicholson, Ill. Dict. Gard. 4: 225. 1887 sec. Soto-Arenas & al. 2007
- ≡Maxillaria foveata Lindl. in Edwards's Bot. Reg. 25: Misc. 2. 1839 syn. sec. Bogarín & al. 2014
- =Maxillaria concava Lindl. in Edwards's Bot. Reg. 30: Misc. 4. 1844 syn. sec. Bogarín & al. 2014
- =Maxillaria stachyobiorum Rchb. f. in Bot. Zeitung (Berlin) 10: 735. 1852 syn. sec. Bogarín & al. 2014
- =Xylobium concavum (Lindl.) Hemsl., Biol. Cent.-Amer., Bot. 3: 252. 1883 syn. sec. Bogarín & al. 2014
- =Xylobium stachyobiorum (Rchb. f.) Hemsl., Biol. Cent.-Amer., Bot. 3: 252. 1883 syn. sec. Bogarín & al. 2014
- =Xylobium filomenoi Schltr. in Repert. Spec. Nov. Regni Veg. Beih. 9: 100-101. 1921 syn. sec. Bogarín & al. 2014