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Cattleya walkeriana is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Laeliinae,  
Genus Cattleya   subgenus Intermediae
Infraspecific taxa recognized within Cattleya walkeriana: infraspecific taxa
This species is found in WC. & SE. Brazil.
C. walkeriana Jorge Gastin
C. walkeriana 'Exuberante' Rafael Santos
C. walkeriana 'Dona Terezinha' Pedro Teixeira
C. walkeriana Jorge Gastin
C. walkeriana 'Isabel Rosalia Oliveros x Joan’s Heart' Darlene M. Norton
C. walkeriana Cesar Wenzel
C. walkeriana 'Dayane Wenzel' Cesar Wenzel
C. walkeriana f. semialba Emrys Chew
C. walkeriana flamea Michael Coker
C. walkeriana Jorge Gastin
C. walkeriana suave 'Pedra do Indaiá' Joaquim Barreto Carneiro Filho
C. walkeriana var. semialba Cássio van den Berg
C. walkeriana var. semialba Noé Cisneros
C. walkeriana Cássio van den Berg
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