Figure 2. Prairie cordgrass dendrogram. Unweighted arithmetic average clustering algorithm dendrogram (cophenetic correlation = 0.8571) of prairie cordgrass populations using Nei's genetic distance matrix. CP, Clinton Prairie; HP; Holthe Prairie; MaP, Malmberg Prairie; OTP, Ottertail Prairie; POP, Pin Oak Prairie; RoP, Roscoe Prairie; TRAPP, Two Rivers Aspen Prairie; WIP, Wild Indigo Prairie.