. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario / Atlas des plantes vasculaires rares de l'Ontario ORCHIDACEAE Platanthera leucophaea (Nutt.) Lindl. {Habenarla leucophaea (Nutt.) Gray) Prairie white fringed-orchid Platanthère blanchâtre. After ; D'après: Case 1964, Luer 1975. McGregor & Barkiey 1977. HABITAT: Fens, wet meadows, marshes, and prairies. STATUS: Rare in Canada. Under review as threate- ned in the United States. Possibly extirpated in New York and Pennsylvania; endangered in Indiana, South Dakota, and Wisconsi


. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario / Atlas des plantes vasculaires rares de l'Ontario ORCHIDACEAE Platanthera leucophaea (Nutt.) Lindl. {Habenarla leucophaea (Nutt.) Gray) Prairie white fringed-orchid Platanthère blanchâtre. After ; D'après: Case 1964, Luer 1975. McGregor & Barkiey 1977. HABITAT: Fens, wet meadows, marshes, and prairies. STATUS: Rare in Canada. Under review as threate- ned in the United States. Possibly extirpated in New York and Pennsylvania; endangered in Indiana, South Dakota, and Wisconsin; threatened in Illinois and Mi- chigan; rare in Arkansas, Kansas, Maine, North Da- kota, and Ohio. HABITAT: Marécages, prés humides, marais et prai- ries. SITUATION: Rare au Canada. Actuellement à l'étude, pourrait faire partie des espèces menacées aux Etats- Unis. Peut-être déracinée de l'Etat de New York et de la Pennsylvanie; menacée d'extinction en Indiana, dans le Dakota du Sud et au Wisconsin; menacée en Illinois et au Michigan; rare en Arkansas, au Kansas, au Maine, dans le Dakota du Nord et en Ohio. REFERENCES/SOURCES Case, , Jr. 1964. Orchids of the western Great Lakes region. Cranbrook Institute of Science, Bulletin 48. 147 pp. Luer, 1975. The native orchids of the United States and Canada. The New York Botanical Garden, New York. 361 pp. Reddoch, J. 1977. Prairie white fringed-orchid, a new orchid for the Ottawa area. Trail & Landscape 11:16-19. White, Maher, Catling, & , Whiting 1982. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Argus, George W. (George William); National Museum of Natural Sciences (Canada). Botany Division. Ottawa : Botany Division, National Museum of Natural Sciences = Division de la botanique, Musé


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