1. A history of orchids. a history of discovery, lust and wealth;Anghelescu;Sci. Papers Ser. B Hortic.,2020
2. Asymbiotic Seed Germination in Terrestrial Orchids: Problems, Progress, and Prospects;Anghelescu,2023
3. Official Methods of Analysis of AOAC International,2012
4. A review of the genus Dactylorhiza;Averyanov,1990
5. Comparative anatomy of selected rhizomatous and tuberous taxa of subfamilies Orchidoideae and Epidendroideae (Orchidaceae) as an aid to identification;Aybeke;Plant Syst. Evol.,2012