Miltoniopsis Atalanta
-
Oncidium Atheltum
-
Miltoniopsis Athene
-
Oncidium Athenia
-
Oncidium Athol Bell
-
Miltoniopsis Atina
-
Oncidium Atlantic Crossing
-
Oncidium Atout
-
Oncidium Atropos
-
Oncidium Atunga Terrace
-
Oncidium Atys
-
Miltoniopsis Auburn Blues
-
Miltoniopsis Auburn Spring
-
Miltoniopsis Auburn Spring Rain
-
Miltoniopsis Auburn Sunrise
-
Oncidium Auditor
-
Oncidium Audrey
-
Oncidium Audrey (1922)
-
Miltonidium Audrey Ballard
-
Miltoniopsis Augres
-
Oncidium Augres
-
Oncidium Augrevais
-
Oncidium August Janssen
-
Miltoniopsis Augusta