Pleurothallis lateralis L.O. Williams, Ceiba 5(2): 84. 1956.
Bas.: Brenesia costaricensis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 19: 200. 1923. TYPE: Costa Rica. Alajuela: San Pedro de San Ramón, 1200 m, Sep 1921, A.M. Brenes 117 (holotype, B, destroyed; lectotype selected by Barringer (1986), AMES; isolectotype, CR; photo, AMES).
Bas.: Brenesia costaricensis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 19: 200. 1923.
TYPE: Costa Rica. Alajuela: San Pedro de San Ramón, 1200 m, Sep 1921, A.M. Brenes 117 (holotype, B, destroyed; lectotype selected by Barringer (1986), AMES; isolectotype, CR; photo, AMES).