Arnica angustifolia subsp. tomentosa (J.M. Macoun) G.W. Douglas & Ruyle-Douglas
Hudsonia tomentosa Nuttall
Manitoba, Northwest and British Columbia lancet. Vol. 1, November, 1887
PDF
Grounds Department operations manual
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Newfoundland in 1842 : a sequel to "The Canadas in 1841"
PDF
Key to plants of the farming and ranching areas of the Canadian prairies, A
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