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By "Heydon, Paul A. "
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Hairy St. John’s-wort (Hypericum hirsutum L.) in the Toronto Area, New to North America
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By: Heydon, Paul A. - Miller, Gavin C. - Oldham, Michael J.
Type: Article
In: The Canadian field-naturalist
Volume: 125
Series:
Issue: 3
Date: 2011-07-01
Page Range: 248--251
Publication Info: Ottawa Ottawa Field-Naturalists' Club
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