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Fig. 1. UPGMA analysis of AFLP variation within and among sandberg bluegrass (Poa secunda) populations collected near Mountain Home (MH), ID, and Yakima Training Center (YTC), WA, cv. Canbar canby bluegrass (P. secunda), cv. Sherman big bluegrass (P. secunda), and one natural population of P. fendleriana collected near Caliente, NV. Plants having identical genotypes are enumerated within parentheses. Bootstrap confidence intervals are indicated for clusters present in the 50% majority-rule consensus of 100 UPGMA searches.
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