- pussy willow, Salix discolor - small willow of eastern North America having grayish leaves and silky catkins that come before the leaves
--1 is a kind of willow, willow tree
--1 is a member of Salix, genus Salix - goat willow, florist's willow, pussy willow, Salix caprea - much-branched Old World willow having large catkins and relatively large broad leaves
--2 is a kind of sallow
--2 is a member of Salix, genus Salix