@book {8575, title = {Die Gattung Bromus in S{\"u}dwest- Mittel- und Zentraleuropa}, year = {2007}, month = {2007///}, publisher = {available online at}, organization = {available online at}, url = {http://www.ask-force.org/web/Bromus/Bromus-Plates-1-36.pdf http://www.ask-force.org/web/Bromus/Bromus-Schluessel-20070604.pdf}, author = {K. Ammann} } @article {7158, title = {Bestimmungsschwierigkeiten bei europ{\"a}ischer Bromus-Arten}, journal = {Bot. Jahrb. Syst}, volume = {102}, year = {1981}, month = {1981///}, pages = {459 - 469}, author = {K. Ammann} }