David J. Hearn

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• Dispersal is associated with morphological innovation, but not increased diversification, in Cyphostemma (Vitaceae)
• Extreme environments select for reproductive assurance: evidence from evening primroses (Oenothera)
• CLIMATE AND LIFE-HISTORY EVOLUTION IN EVENING PRIMROSES (OENOTHERA, ONAGRACEAE): A PHYLOGENETIC COMPARATIVE ANALYSIS