Acknowledgement
Supported by : Ministry of Environment
References
- Kim S. N. and K. S. Lee. 1997. The Orchids of Korea in Color. Kyohak Publishing Co., LTD, Seoul
- Lee, T. B. 1980. Illustrated flora of Korea. Hyangmunsa, Seoul
- Lee, W. B. and Y. S. Kim. 1986. A taxonomic study on genus Cephalanthera in Korea, Korean J. Plant Taxon. 16: 39-57 https://doi.org/10.11110/kjpt.1986.16.1.039
- Lee, Y. N. 2006. New flora of Korea II. Kyo Hak Sa, Seoul
-
Melchior, H. 1964. A Engler's Syllabus der Pflanzenfamilien II. 12
$12^{th}$ Edition Gebruder Bortraeger, Berlin - Miyabe K. and Y. Kudo. 1932. Monocotyledonae. Journ. Fac. Agric. Sapporo, xxvi. 373
- Oh, Y. C. and C. S. Lee. 1988. Unrecorded plant, Cephalanthera erecta (Thunb.) Blume var. subaphylla (Miyabe & Kudo) Ohwi, Jour. Basic Sci. 5: 7-9
- Ohwi, J. 1984. Flora of Japan. Ed. 2. Smithsonian Inst. Washington DC
- Pearce, N. R. and P. J. Cribb. 2002. The Orchids of Bhutan. Royal Bot. Gard. Edinburgh
- Pearce, N. R., P. J. Cribb and J. Renz. 2001. Notes relating to the flora of Bhutan: XLIV. Taxonomic notes, New taxa and additions to the Orchidaceae of Bhutan and Sikkim (India). Edinb. J. Bot. 58: 99-122
- Sheviak, C. J. and P. M. Catling. 2002. The Flora of North America. Vol. 26, Oxford University Press, Oxford