| 释义 |
- References
{{unreferenced|date=June 2017}}{{Taxobox
|regnum = Plantae
|unranked_divisio = Angiosperms
|unranked_classis = Monocots
|ordo = Asparagales
|familia = Orchidaceae
|subfamilia = Orchidoideae
|tribus = Cranichideae
|subtribus = Cranichidinae
|genus = Aa
|species = A. riobambae
|binomial = Aa riobambae
|binomial_authority = Schltr., 1921
}}Aa riobambae is a species of orchid in the genus Aa. It is native to Ecuador. References{{Taxonbar|from=Q15589482}}{{orchidoideae-stub}} 2 : Aa (plant)|Plants described in 1921 |