Click here for information about Hieracium.
Click here for information about Hieracium pilosella.
Click here for photos of Hieracium pilosella.
Classic texts: Hill 1812: The Images.
Old texts: Hayne's Getreue Darstellung, vol. 3, 1813: the images.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.