Dictionary.net

• large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella

2006 - WordNet 3.0
By Princeton University

• large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella

2011 - English Dictionary Database
By DataStellar Co., Ltd