During the 2014 field season, eight new locations of Magnolia tripetala (L.) L. escape from horticulture and naturalization, were documented in Franklin and Hampshire counties in the Connecticut River Valley region of western Massachusetts (Table 1). These records constitute a substantial expansion of the documented adventive occurrence of M. tripetala in western Massachusetts, where only four locations had previously been reported, including only one record each in Franklin and Hampshire counties, and two in Hampden County to the south (Table 2). In addition, although most earlier reports of adventive occurrences of M. tripetala in New England have constituted only single, isolated individuals, and the species has been described as occurring mostly at forest edges and in thickets (Haines 2011), the new locations reported here include five sites with substantial, multi-individual populations of M. tripetala spreading into mature, intact forest vegetation. Based...
Horticultural Escape and Naturalization of Magnolia tripetala in Western Massachusetts: Biogeographic Context and Possible Relationship to Recent Climate Change
Jesse Bellemare, Claudia Deeg; Horticultural Escape and Naturalization of Magnolia tripetala in Western Massachusetts: Biogeographic Context and Possible Relationship to Recent Climate Change. Rhodora 1 July 2015; 117 (971): 371–383. doi: https://doi.org/10.3119/15-04
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