Willow Identification Key: Leaves persistently and densely felty beneath

Leaves persistently and densely felty or downy beneath; not yellow under bark

The stems on the left are yellow under the bark, while the stems on the right are yellow-green
The stems on the left are yellow under the bark, while the stems on the right are yellow-green

Young shoots yellowish green

Young shoots yellowish green; leaves not bitter to taste, margin wavy

Young shoots dark reddish brown

Young shoots dark reddish brown; leaves bitter to taste, margin wavy