Image gallery: Drawings from Sayre's Materia Medica, 1917.
Classic texts: Sayre 1917: the pics.
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.
Plant Healer Magazine: Very relevant to the practitioner.
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