Pilosella officinarum (Mouse Ear Hawkweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Netherlands, Latvia, Belgium, Ireland, Portugal, Norway, Finland, Estonia, Romania, Yugoslavia, United Kingdom, Moldova, Azerbaijan, Lithuania, Germany, Switzerland, France, Belarus, Greece, Austria, Georgia, Armenia, Czech Republic, Hungary, Russia, Italy, Ukraine, Spain, Denmark, Bulgaria, Albania, Poland, and Sweden. They have simple, broad leaves and achene. Flowers are visited by Coelioxys elongata, Sphaerophoria, sweat bees, and Negro ant. Individuals can grow to 0.14 m.
EOL has data for 27 attributes, including: