Aulacopilum balansae Müll. Hal. in Flora 70: 447. 1887 .
= Erpodium glaucum (Wilson) I. G. Stone, fide STONE (1997: 487).
Type citation. – “Guarapi, in truncis Aurantiorum, Junio 1881, Balansa 3643 ”.
Type specimens. – Syntypes: Guarapi, sur le tronc des orangers, juin 1881, Balansa 3643 (G [1885], G00042261; Herb. Boiss., G00042262; Herb. Boiss., G00042263; Herb. DC. [1884], G00042264) .
Type designation. – None found.
Comments. – Number 3643 was also used as the original specimen by BESCHERELLE (1885: 18) for the nomen nudum “ Aulacopilum paraguense ”.