Cover of American Journal of Botany Special Issue (image) Botanical Society of America Share Print E-Mail Caption This collection, "Evolutionary Insights from Studies of Geographic Variation: Contemporary Variation and Looking to the Future", builds on that knowledge by looking deeply into variable drivers of plant evolution. Credit Image credit: Heather E. Schneider. Usage Restrictions Please cite original source and image credit line. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.