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Recovery Strategy for the Western Prairie Fringed-orchid (Platanthera praeclara) in Canada


Catling, P.M. and V.R. Brownell. 1987. New and significant vascular plant records for Manitoba. Canadian Field-Naturalist 101(3): 437–439.

Channell, R. and M.V. Lomolino. 2000. Dynamic biogeography and conservation of endangered species. Nature 403: 84–86.

Collicutt, D.R. 1993. Status report of the western prairie white fringed orchid, Platanthera praeclara, in Canada. Committee on the Status of Endangered Wildlife in Canada, Ottawa, Ontario. 39 pp.

Davis, S.K. 1995. National recovery plan for the western prairie fringed-orchid, Platanthera praeclara. Endangered Plants and Invertebrates in Canada Program, Canadian Nature Federation, Ottawa, Ontario. 23 pp.

Flora of North America Editorial Committee. 2003. Flora of North America north of Mexico. Volume 26: Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford University Press, New York. xxvi + 723 pp.

Manitoba Conservation Data Centre. 2006. Manitoba CDC Element Occurrence Database. Wildlife and Ecosystem Protection Branch, Manitoba Conservation, Winnipeg, Manitoba.

McKercher, R. B. and B. Wolf.  1986.  Understanding Western Canada’s Dominion Land Survey System.  Division of Extension and Community Relations, University of Saskatchewan. Saskatoon.

Moore, J.R. and G. Fortney, eds. 1994. Management plan for the Tall-grass Prairie Preserve in Manitoba. Critical Wildlife Habitat Program, Winnipeg, Manitoba. 34 pp. + appendices.

National Recovery Working Group. 2005. Recovery Handbook (ROMAN). 2005-2006 Edition, October 2005. Recovery of Nationally Endangered Wildlife, Ottawa, Ontario. 71 pp. plus appendices.

NatureServe. 2005. NatureServe Explorer: An online encyclopedia of life [web application]. Version 4.6. NatureServe, Arlington, Virginia. Available at: (accessed February 3, 2006).

Punter, C.E. In press. Update status report on western prairie fringed-orchid (Platanthera praeclara). Committee on the Status of Endangered Wildlife in Canada, Ottawa, Ontario.

Ralston, C., G. Fauske, M. Harris, and D. Lenz. In press. First record of the spurge hawk moth (Hyles euphorbiae) as a pollinator of the western prairie fringed-orchid. The Prairie Naturalist: In press.

Samson, F. and F. Knopf. 1994. Prairie conservation in North America. Bioscience 44: 418–421.

Saskatchewan Soil Conservation Association. Undated. Hog manure BMP’s. Indian Head, Saskatchewan. Available at: (accessed February 27, 2006).

Sheviak, C.J. and M.L. Bowles. 1986. The prairie fringed orchids: a pollinator-isolator species pair. Rhodora 88: 267–290.

U.S. Fish and Wildlife Service. 1996. Platanthera praeclara (western prairie fringed-orchid) recovery plan. U.S. Fish and Wildlife Service, Fort Snelling, Minnesota. vi + 101 pp.

Vucetich, J.A. and T.A. Waite. 2003. Spatial patterns of demography and genetic processes across the species’ range: Null hypothesis for landscape conservation genetics. Conservation Genetics 4: 639–645.

Wedin, D.A. and D. Tilman. 1996. Influence of nitrogen loading and species composition on the carbon balance of grasslands. Science 274: 1720–1723.

Westwood, A.R. and C.L. Borkowsky. 2004. Sphinx moth pollinators for the endangered western prairie fringed-orchid, Platanthera praeclara in Manitoba, Canada. Journal of the Lepidopterists’ Society 58: 13–20.

Wikipedia 2006.  Dominion Land Survey.   Accessed 29 May 2006.

Wolken, P.M., C. Hull Sieg, and S.E. Williams. 2001. Quantifying suitable habitat of the threatened western prairie fringed-orchid. Journal of Range Management 54: 611–616.