- Common nettle (Valgrisi). Part of Set of plants for Mattioli's works (Valgrisi)
- Common nettle (Urtica secunda). 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. 493 ◼
- Common nettle (Urtica secunda). In Pedanius Dioscorides, Pietro Andrea Mattioli, Petri Andreae Matthioli Senensis Commentarii, in libros sex Pedacii Dioscoridis Anazarbei, Venice: Vincenzo Valgrisi (printer), 1558, p. 553 ◼
- Common nettle (Urtica secunda). 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. 775 ◼