Chung, G.Y., 1998, Study on flora of bogs in Cheju Island, Korea, Bulletin of the KACN ser., 17, 3-22.
Choi, K.R. and J.K. Koh, 1989, Studies on moor vegetation of Mt. Daeam, East-contral Korea, Korean J. Ecol., 12(4), 237-244.
Numata, M., 1996, Landscape Ecology, Asahikura Publishing Co. in Japen, 49-56.
Koh, J.K., E.B. Lee, and E.S. Jeon, 1995, Studues on moor vegetation and flora of Mt. Chibo in Suwon city, Natural Preservation, 89, 39-50.
Park, B.K., 1985, The studies on grassland of Korea, Press of Ewha Univ., 359-370.
Kim, C.S., Y.S. Jang, and Y.W. Park, 1989, The vegetation of Mt. Wolch'ul, The Report the KACN, 27, 83-103.
Lee, E.B., E.S. Jeon, B.H. Choi, and G.Y. Chung, 1989, The flora of Mt. Wolch'ul, The Reoport of the KACN, 27, 47-69.
Kim, S.N. and K.S. Lee, 1997, The orchids of Korea in Color, Kyo-Hak Publishing Co.
Lee, T.B., 1982, Illustrated flora of Korea, Hwang moon Publishing Co., Seoul, Korea.