Citation: Dillon R.T., Wethington A.R, Rhett J.M & Smith T.P. 2002 Populations of the European freshwarer pulmonate Physa acuta are not reproductively isolated from American Physa heterostropha or Physa integra. Invertebrate Biology 12: 226-234
Number of Pages: 9
Keywords: Britain, Mollusca, Terrestrial