- Aerides difforme Wall.

- Aerides difforme Wall. ex Lindl.

- Aerides difformis Wall.

- Aerides difformis Wall. ex Lindl.

- Ornithochilus difformis (Wall. ex Lindl.) Schltr.

- Ornithochilus difformis var. difformis

- Ornithochilus fuscus Hook.f.

- Sarcochilus difformis (Wall. ex Lindl.) Tang & F.T.Wang

- Trichoglottis diformis (Wall. ex Lindl.) T.B.Nguyen & D.H.Duong