. The Canadian field-naturalist. Natural history. 26 The Canadian Field-Naturalist Vol. 111. Figure 2. Amerorchis rotundifolia, treed fen habitat, Palmerston Township, Frontenac County, Ontario, 1 July 1972 (plant and flowers), 19 June 1996 (column); for the column (front view), scale bar = 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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