Columbia subject headings:
Botany, Medical--History.
Herbals--Early works to 1800.
Herbals--History.
Macer, Floridus.
Medicine, Medieval.
Harvard subject headings:
Botany, Medical--History--Sources.
Herbals--Early works to 1800
Herbs--Therapeutic use--History--Sources.
Macer, Floridus. De viribus herbarum.
Materia medica, Vegetable--Early works to 1800.
Medicine, Medieval--History--Sources.
Medicine, Medieval.
Princeton subject headings:
Botany, Medical--History--Sources.
Herbals--Early works to 1800.
Herbs--Therapeutic use--History--Sources.
Macer, Floridus. De viribus herbarum.
Materia medica, Vegetable--Early works to 1800.
Medicine, Medieval--History--Sources.