17 

 III. LITERATURE CITED 



Brunton, D.F. 1986. Status of the Giant Helleborine, Epipactis 

 qiqantea (Orchidaceae) , in Canada. Canadian Field Naturalist 

 100(3) : 414-417. 



Burns-Balogh, P., Szlachetko, D.L., and A. Dafni. 1987. 



Evolution, pollination, and systematics of the tribe Neottieae 

 (Orchidaceae). PI. Syst. Evol. 156: 91-115. 



Hitchcock, C.L., Cronquist, A., Ownbey, M. , and J.W. Thompson. 

 1964. Vascular plants of the Pacific Northwest. University of 

 Washington Press, Seattle, Washington. 914 pp. 



Lesica, P. 1985. Checklist of the Vascular Plants of Glacier 

 National Park Montana, U.S.A.. Montana Academy of Sciences, 

 Supplement to the Proceedings, Monograph No. 4, Vol. 44. 55 

 pp. 



Luer, C.A. 1975. The Native Orchids of the United States and 

 Canada excluding Florida. New York Botanical Garden, New York. 

 362 pp. 



Williams, J.G. and A. Williams. 1983. Field Guide to Orchids of 

 North America. Universe Books, New York, N.Y.. 143pp. 



