Oldham, Michael J.
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The Canadian Field-Naturalist Vol. 120 No. 3 (2006) - Articles
Bur Buttercup, Ranunculus testiculatus, New to Eastern Canada
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The Canadian Field-Naturalist Vol. 125 No. 3 (2011) - Articles
Additions to the Vascular Flora of Ontario, Canada, from the Sutton Ridges, Hudson Bay Lowland Ecoregion
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The Canadian Field-Naturalist Vol. 125 No. 4 (2011) - Notes
Fetid Dogweed (Dyssodia papposa; Asteraceae) and Slender Russian Thistle (Salsola collina; Amaranthaceae), New to Alberta, Canada
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The Canadian Field-Naturalist Vol. 129 No. 3 (2015) - Notes
Tall Annual Willowherb (Epilobium brachycarpum C. Presl) in Ontario, Canada
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The Canadian Field-Naturalist Vol. 132 No. 4 (2018) - Notes
Round-fruited St. John’s-wort (Hypericum sphaerocarpum, Hypericaceae) in Canada
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The Canadian Field-Naturalist Vol. 125 No. 1 (2011) - Articles
Recent Expansion of Spiranthes cernua (Orchidaceae) into Northern Ontario due to Climate Change?
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The Canadian Field-Naturalist Vol. 131 No. 4 (2017) - Notes
Reversed Clover, Trifolium resupinatum L. (Fabaceae), Confirmed in Canada
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The Canadian Field-Naturalist Vol. 133 No. 1 (2019) - Book Reviews
"Michigan Ferns & Lycophytes: A Guide to Species of the Great Lakes Region" by D.D. Palmer, 2018. [book review]
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The Canadian Field-Naturalist Vol. 134 No. 2 (2020) - Notes
An update to the distribution of the Endangered False Hop Sedge (Carex lupuliformis Sartwell ex Dewey; Cyperaceae) in Ontario
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The Canadian Field-Naturalist Vol. 125 No. 3 (2011) - Articles
Slender False Brome (Brachypodium sylvaticum, Poaceae), an Invasive Grass New to Ontario, Canada
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The Canadian Field-Naturalist Vol. 125 No. 3 (2011) - Notes
Hairy St. John’s-wort (Hypericum hirsutum L.) in the Toronto Area, New to North America
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