Leaves Photoshop Brushes
Brushes: 28 (18 unique)
Version: Photoshop 7+ (Includes CS's), Photoshop Elements 2+, GIMP 2.2.6+
A set of various types of leaves, including individual leaves, vines, and several different clusters.
Includes: sassafras, sycamore, mulberry, virginia crawler, pawpaw, honey locust, hercules club, water hickory, and various others that I wasn't sure what they were.
Commercial licenses: http://www.obsidiandawn.com/commercial-licenses