Phenetics in Tree Peony Species from China by Flower Pigment Cluster Analysis

Hierarchical Grouping to Optimize an Objective Function

Joe H. Ward · Journal of the American Statistical Association · 1963 · 19.2K citations

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Chloroplast DNA phylogeny, reticulate evolution, and biogeography of <i>Paeonia</i> (Paeoniaceae)

Tao Sang, Daniel J. Crawford, Tod F. Stuessy · American Journal of Botany · 1997 · 1.5K citations

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P. Mick Richardson, Jeffrey B. Harborne, T. J. Mabry · Brittonia · 1984 · 1.4K citations

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An Examination of the Effect of Six Types of Error Perturbation on Fifteen Clustering Algorithms

Glenn W. Milligan · Psychometrika · 1980 · 1.2K citations

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The Structure and Distribution of the Flavonoids in Plants

Tsukasa Iwashina · Journal of Plant Research · 2000 · 481 citations

Life Sciences, Biochemistry, Plant Sciences +8