. The Canadian field-naturalist. Natural history. 1995 Pringle: Exploration of the Flora of Canada 331. Alf Erling Porsild on aircraft, arctic field trip, IX International Botanical Congress (Montreal), 1959 (photograph by H. M. Raup: previously published in The Canadian Field-Naturalist 92: 298 [1978]).. 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky