Data from: Climate change is associated with increased allocation to potential outcrossing in a common mixed mating species

Matthew Austin, Piper Cole, Kenneth Olsen & Adam Smith
Premise: The balance between cross- and self-fertilization is driven by the environment. Yet no long-term study has documented whether anthropogenic climate change is affecting reproductive strategy allocation in species with mixed mating systems. Here, we test whether the common blue violet (Viola sororia; Violaceae) has altered relative allocation to the production of potentially outcrossing flowers as the climate has changed across the 20th century. Methods: Using herbarium records spanning 1875 to 2015 from the central...
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