Orchidaceae 2 : (Epidendroideae P.P.: Neottieae, Tropidieae, Nervilieae, Gastrodieae, Thaieae Calypsoeae, Arethuseae, Collabieae, Cymbidieae) - Pedersen, Henrik Ærenlund 1966- (The Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation, 2014)