Pilosella officinarum (Mouse Ear Hawkweed) is a species of perennial herb in the family Asteraceae. It has a self-supporting growth form. It is native to Armenia, Yugoslavia, Spain, Switzerland, Moldova, Norway, Lithuania, Azerbaijan, Belarus, Czech Republic, Denmark, Italy, Portugal, France, Latvia, Poland, Bulgaria, Ireland, United Kingdom, Sweden, Russia, Germany, Greece, the Netherlands, Georgia, Estonia, Belgium, Ukraine, Finland, Austria, Albania, Hungary, and Romania. Mouse Ear Hawkweed has simple, broad leaves. Flowers are visited by Hoplomachus thunbergii (Fallén 1807). Mouse Ear Hawkweed is a photoautotroph. Individuals can grow to 0.14 m.
EOL has data for 29 attributes, including: