Workshop of Albrecht Dürer, The Madonna with the Iris,
c.1510, oil on lime, 149.2 x 117.2cm,
National Gallery, London
Albrecht Dürer, Great Piece of Turf, 1503,
watercolour and tempera on paper mounted on cardboard, 41.0 x 31.5cm, Albertina, Vienna
Albrecht Dürer, Iris, 1508, watercolour and bodycolour, brush, pen, on two sheets of paper stuck together, 77.5 x 31.3cm,
Kunsthalle, Bremen
Otto Brunfels, Herbarum vivae eicones, 1530
Woodcut from: Otto Brunfels, Herbarum vivae eicones..., p. 214
Hans Weiditz, Orpine and Bugle, watercolour and bodycolour on paper, brush, pen, ink, preliminary pencil drawing, 275 x 65mm (orpine), 255 x 70mm (bugle), cut out and mounted onto paper, Bern University
Ludger Tom Ring the Younger, Vases with Lilies and Irises, 1562, oil on panel, 64 x 41cm, Westphalian State Museum of Art and Cultural History, Münster