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Climate change threatens spring wildflowers by speeding up the time when trees leaf out above them

  • Written by Richard B. Primack, Professor of Biology, Boston University
Climate change threatens spring wildflowers by speeding up the time when trees leaf out above themNative wildflowers, such as these Dutchman’s breeches (_Dicentra cucullaria_) that bloom early in spring are losing access to sunlight as trees leaf out earlier.Katja Schulz/Flickr, CC BY

For short-lived spring wildflowers such as wood anemone (Anemone quinquefolia) and Dutchman’s breeches (Dicentra cucullaria), timing is everything....

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