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Nonmetric multidimensional scaling analysis showing two-dimensional plot of all cohorts examined for allelic composition, each cohort is an open circle. 2D stress = 0.15. Lines show ellipses around each type of cohort: two randomly selected cohorts of live plants from control plots (control live 1, control live 2), dead plants in drought treatments, or live plants in drought treatments. A color version of this figure accompanies the online version of this article
