- White horehound (Valgrisi)
- White horehound (Marrubium). In Pedanius Dioscorides, Pietro Andrea Mattioli, Petri Andreae Matthioli medici Senensis Commentarii, in libros sex Pedacii Dioscoridis Anazarbei, de medica materia. Adiectis quam plurimis plantarum & animalium imaginibus, eodem authore (var. B), Venice: Vincenzo Valgrisi (printer), 1554 (Vienna, ÖNB), p. 391 ◼
- White horehound (Marrubium). In Pedanius Dioscorides, Pietro Andrea Mattioli, Petri Andreae Matthioli Senensis Commentarii, in libros sex Pedacii Dioscoridis Anazarbei, Venice: Vincenzo Valgrisi (printer), 1558, p. 436 ◼
- White horehound (Marrubium). In Pietro Andrea Mattioli, Petri Andreae Matthioli Compendium de plantis omnibus, una cum earum iconibus, de quibus scripsit suis in commentariis in Dioscoridem editis, Venice: Vincenzo Valgrisi (printer), 1571 (Augsburg, SSB), p. 512 ◼