1. Department of Plant Taxonomy and Nature Conservation, Faculty of Biology, University of Gdańsk, Gdańsk, Poland
2. Department of Molecular Evolution, Faculty of Biology, University of Gdańsk, Gdańsk, Poland
3. Department of Plant Cytology and Embryology, Faculty of Biology, University of Gdańsk, Gdańsk, Poland
4. Department of Geobotany and Plant Ecology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
5. Department of Biodiversity Research, Global Change Research Institute AS CR, Brno, Czech Republic
6. Estación Experimental de orquídeas de la Familia Archila, Guatemala CA, Guatemala
7. Herbario BIGU, Escuela de Biología, segundo nivel, edificio T-10, Universidad de San Carlos de Guatemala, Guatemala CA, Guatemala