Fig. 29-32. Rusty willow and related European willows
Fig. 31. S. atrocinerea (Mary Dunn Pond, Hyannis, 31 October 2006)	Fig. 32. S. cinerea (Janakkala, Finland, 27 May 2008)
Fig. 33. S. caprea (Helsinki, Finland, 10 May 2008)	Fig. 34. S. aurita (Janakkala, Finland, 27 May 2008)

Fig. 33-34. Leaf underside in rusty and American pussy willow
Fig. 35. S. atrocinerea: conspicuous reticulation (veins of third order are visible)	Fig. 36. S. discolor: reticulation is less pronounced