Phenology Bibliography
Filters: Author is Primack, D. [Clear All Filters]
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2006. Photographs and herbarium specimens as tools to document phenological changes in response to global warming. American Journal of Botany. 93:1667.
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2004. Herbarium specimens demonstrate earlier flowering times in response to warming in Boston 1. American Journal of Botany. 91:1260–1264.

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