Cattleya bicolor subsp. bicolor Cattleya bicolor subsp. minasgeraensis Cattleya bicolor subsp. brasiliensis Cattleya bicolor subsp. canastrensis
Cattleya bicolor var. caerulea Cattleya bicolor var. lewisii Epidendrum bicolor
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024