Knudsen, K. 2011: A new member of the genus Silobia (Acarosporaceae) from North America. - Opuscula Philolichenum 9: 27-30. [RLL List # 223 / Rec.# 32897] Abstract: The newly described genus Silobia is accepted. Acarospora hassei is discussed and transferred to Silobia. A key to the genus Silobia in North America is presented.