Figure 1.

A map showing the geographical distribution [from: http://www.efloras.org/object_page.aspx?object_id=5261&flora_id=1 webcite] (above) of Thuja occidentalis and approximate locations of its four studied populations (below) (see also Table 1).

Pandey and Rajora BMC Evolutionary Biology 2012 12:48   doi:10.1186/1471-2148-12-48
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