''Aa microtidis'' is a species of orchid in the genus '' Aa''. It was described by Rudolf Schlechter in 1922. The type specimen was collected from rock outcroppings at Puna Patanca, Tarija,

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

. Schlechter found that it resembled ''

Aa calceata ''Aa calceata'' is a species of orchid in the genus ''Aa''. It can be publicly located at the countries Bolivia and Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbo ...

'', but with much smaller flowers.

References

microtidis Plants described in 1922 {{Orchidoideae-stub