Fig. 190. Polyporus officinalis.
(Represented as growing on the stem of a tree.)
This image is from Larch Agaric in Pereira's Elements of Materia Medica and Therapeutics, 1854.
A herbal distance course
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.