CHANGES IN HARDWOOD FOREST UNDERSTORY PLANT COMMUNITIES IN RESPONSE TO EUROPEAN EARTHWORM INVASIONS.Published in:Ecology, 2006, v. 87, n. 7, p. 1637, doi. 10.1890/0012-9658(2006)87[1637:CIHFUP]2.0.CO;2By:Hale, Cindy M.;Frelich, Lee E.;Reich, Peter B.Publication type:Article