AoB PLANTS No difference in the competitive ability of introduced and native Trifolium provenances when grown with soil biota from their introduced and native ranges A new biogeographic study published in AoB PLANTS by Shelby et al. tested the evolution of increased competitive ability (EICA) hypothesis—a compelling explanation for why plants become invasive. The authors measured... AoBPLANTSAugust 25, 2016