Chris D. Thomas og G. Palmer (2015). «Non-native plants add to the British flora without negative consequences for native diversity». Proceedings of the National Academy of Sciences. 115 (14): 4387-4392. ISSN1091-6490. doi:10.1073/pnas.1423995112.
worldcat.org
Chris D. Thomas og G. Palmer (2015). «Non-native plants add to the British flora without negative consequences for native diversity». Proceedings of the National Academy of Sciences. 115 (14): 4387-4392. ISSN1091-6490. doi:10.1073/pnas.1423995112.