Molecular Systematics of the Gymnadenia conopsea Complex (Orchidaceae)
Gymnadenia conopsea s.l., the fragrant orchid is widely distributed over Europe and adjacent parts of Asia. It is frequently found in open grassland, woodland and rich fen habitats, particularly in calcareous regions. The species is characterized by a high variation in morphological and genetic characters including plant height, floral characters, flowering time, habitat preferences, allozymes and