Ornamental use of Guarianthe skinneri (Orchidaceae), in Chiapas and Guatemala, is partially responsible for its diversity and genetic structure Authors: Coutiño-Cortés, Ana Gabriela, Bertolini, Vincenzo, Archila Morales, Fredy, Valle-Mora, Javier, Iracheta-Donjuan, Leobardo, García-Bautista, Maricela, Ruiz-Montoya, Lorena