@article {7084, title = {Plant communities with Helianthus tuberosus L. in the town of the Upper Silesian industrial region (southern Poland)}, journal = {Biodiversity: Research and Conservation}, volume = {11}, year = {2008}, month = {2008///}, pages = {57 - 64}, url = {http://www.brc.amu.edu.pl/s2_c5_abstract114.html}, author = {A. Kompa_a-B_ba} } @article {7085, title = {Eragrostis pilosa (L.) P. Beauv. (Poaceae) in Poland}, journal = {Biodiversity: Research and Conservation}, volume = {13}, year = {2009}, month = {2009///}, pages = {13 - 16}, author = {M. Nobis} }