12th century. De viribus herbarum. Liber Omad.

Digby 13 (VII). Bodleian.

(It is not known who Omad was.)

12th century. Macer de virtutibus herbarum.

Digby 4 (XI). Bodleian.

(The last folio is in thirteenth-century hand.)

12th century. Macer de virtutibus herbarum.

Library of Lincoln Cathedral.

12th century. Herbarium Apuleius.

Library of Eton College.