A disjunct population of American Hazelnut (Corylus americana): a new plant species for the Ottawa district
DOI :
https://doi.org/10.22621/cfn.v136i2.2863Mots-clés :
American Hazelnut, Corylus americana, Constance Bay, savanna, sand barren, Ottawa, plant distribution, plant dispersalRésumé
A previously unknown population of American Hazelnut (Corylus americana), a native shrub species, has been discovered in the Ottawa district. This location is disjunct from the species’ nearest known populations. Although American Hazelnut is not a particularly conspicuous species, it was found in a relatively well documented area. The location includes remnant vegetation from the Constance Bay Sandhills, a former savannah habitat, including other species whose occurrence in the region is disjunct. American Hazelnut is strongly affiliated with savannahs and related habitats across Ontario and the upper midwest of the United States.
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