1 Oh,Y.C, "Unrecorded plant, Cephalanthera erecta (Thunb.) Blume var" subaphylla (Miyabe & Kudo) Ohwi (5) : 7-9, 1988
2 Kim S.N, "The Orchids of Korea in Color" Kyohak Publishing Co 1997
3 Pearce,N.R, "The Orchids of Bhutan" Royal Bot. Gard. Edinburgh 2002
4 Sheviak, C. J., "The Flora of North America" (26) : 2002
5 Pearce,N.R, "Notes relating to the flora of Bhutan: XLIV. Taxonomic notes, New taxa and additions to the Orchidaceae of Bhutan and Sikkim (India)" (58) : 99-122, 2001
6 Lee,Y.N, "New flora of Korea II" Kyo Hak Sa 2006
7 Miyabe K, "Monocotyledonae" Journ. Fac. Agric. Sapporo 373-, 1932
8 Lee,T.B, "Illustrated flora of Korea" Hyangmunsa 1980
9 Ohwi,J, "Flora of Japan. Ed. 2" Smithsonian Inst 1984
10 Lee,W.B, "A taxonomic study on genus Cephalanthera in Korea" (16) : 39-57, 1986
1 Oh,Y.C, "Unrecorded plant, Cephalanthera erecta (Thunb.) Blume var" subaphylla (Miyabe & Kudo) Ohwi (5) : 7-9, 1988
2 Kim S.N, "The Orchids of Korea in Color" Kyohak Publishing Co 1997
3 Pearce,N.R, "The Orchids of Bhutan" Royal Bot. Gard. Edinburgh 2002
4 Sheviak, C. J., "The Flora of North America" (26) : 2002
5 Pearce,N.R, "Notes relating to the flora of Bhutan: XLIV. Taxonomic notes, New taxa and additions to the Orchidaceae of Bhutan and Sikkim (India)" (58) : 99-122, 2001
6 Lee,Y.N, "New flora of Korea II" Kyo Hak Sa 2006
7 Miyabe K, "Monocotyledonae" Journ. Fac. Agric. Sapporo 373-, 1932
8 Lee,T.B, "Illustrated flora of Korea" Hyangmunsa 1980
9 Ohwi,J, "Flora of Japan. Ed. 2" Smithsonian Inst 1984
10 Lee,W.B, "A taxonomic study on genus Cephalanthera in Korea" (16) : 39-57, 1986
11 Melchior,H, "A Engler’s Syllabus der Pflanzenfamilien II" 1964