Franco, M., Guevara, G., Mesa, N. and Urueña, G. (2007) “Hardening of the national flower of Colombia, the threatened Cattleya trianae (Orchidaceae), from in vitro culture with previous invigoration phase”, Revista de Biología Tropical, 55(2), pp. 681–691. doi: 10.15517/rbt.v55i2.6045.