Boletaceae
Boletus
Boletus Fr.
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Engl.: boletus.
Leccinum
Leccinum Gray.
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Engl.: leccinum.
Tylopilus
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Tylopilus P. Karst.
Engl.: tylopilus.
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.