Accepted Article This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/gcb.12346 This article is protected by copyright. All rights reserved. Received Date : 23-May-2013 Accepted Date : 09-Jul-2013 Article type : Primary Research Articles Increased invasive potential of nonnative Phragmites australis: elevated CO 2 and temperature alleviate salinity effects on photosynthesis and growth Running head: Invasive P. australis under a changed climate Franziska Eller*, Carla Lambertini, Loc Xuan Nguyen & Hans Brix Department of Bioscience, Plant Biology, Aarhus University, Ole Worms Alle 1, DK-8000 Aarhus C, Denmark. *Corresponding author: franziska.popko@biology.au.dk Tel.: +45 87156574 Keywords: Common reed; Delta-type; EU-type; Gulf Coast; Mississippi River delta; North America Primary Research Article