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. 2015 Apr 10;7:plv038. doi: 10.1093/aobpla/plv038

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Published by Oxford University Press on behalf of the Annals of Botany Company.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Changes in the frequency of high- and low-light microsites in the introduced range of P. cespitosum. Shown are means + 1SE at five populations representing P. cespitosum's ecological range in northeastern North America in 1994 and 2009 for (A) the percentage of high-light microsites at canopy height, (B) the percentage of high-light microsites at mid-canopy height, (C) the percentage of low-light microsites at canopy height, and (D) the percentage of low-light microsites at mid-canopy height. Data from both sampling dates are pooled (for details, see Methods).