Original caption: A yellow maple (Acer saccharum) leaf against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A yellow maple (Acer saccharum) leaf against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A yellow maple (Acer saccharum) leaf against a black background has green edges. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A red maple (Acer saccharinum) leaf against a black background has fungus. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A yellow maple (Acer saccharum) leaf against a white background has green edges. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A yellow ginko (Gingko biloba) leaf against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: An American linden (Tilia americana) leaf chewed on the edges against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: An orange maple (Acer saccharinum) leaf against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
01 Feb 2006 --- Scotch broom (Cytisus scoparius) is a common shrub native to Europe, and an introduced species in North America. It is considered a noxious invasive species in California and the Pacific Northwest. These legumes, or seed pods, will blacken when mature, and burst with an audible crack. --- Image by © Chad Kleitsch/Science Faction/Corbis
29 Sep 2003 --- A red and green grapevine leaf (Ampelopsis sp., Vitales family) with green veins on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
09 Aug 2002 --- A chewed green linden (Tilia americana) leaf on a black background. The species is also known as a basswood. The edges were chewed on by a catepillar in all likehood. --- Image by © Chad Kleitsch/Science Faction/Corbis
18 Nov 2004 --- A fan of maples leaves (Acer saccharum) showing green, yellow, and red against a black background, showing fall colors. --- Image by © Chad Kleitsch/Science Faction/Corbis
16 Oct 2004 --- A yellow sassafras leaf (family Lauraceae) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
08 Oct 2004 --- A red and green maple leaf (Acer saccharum) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
07 Nov 2006 --- A tan norway maple (Acer platanoides) leaf on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
19 Nov 2004 --- An ornamental pear (genus Pyrus) leaf in yellow and dark red and green on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
01 Nov 2004 --- A red and green norway maple (Acer platanoides) leaf on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
04 Oct 2005 --- A green linden leaf shows too shade. --- Image by © Chad Kleitsch/Science Faction/Corbis
07 Aug 2006 --- A yellow and brown leaf of the Para rubber tree (Hevea brasiliensis) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
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Original caption: A red maple (Acer saccharinum) leaf against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A red maple (Acer saccharinum) leaf against a black background has fungus. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: An Ampelopsis leaf from the grape vine family against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: An orange maple (Acer saccharinum) leaf against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: An orange maple (Acer saccharinum) leaf against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A green Norway Maple (Acer platanoides) leaf against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: A red maple (Acer saccharinum) leaf against a white background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Original caption: Maple (Acer saccharum) leaves, red and yellow, against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
16 Oct 2004 --- A red-orange sassafras leaf (family Lauraceae) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
29 Sep 2003 --- A red grapevine leaf (Vitales family) with green veins on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
28 Oct 2003 --- Brown maple leaf (Acer saccharum) with spotty mold on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
19 May 2004 --- A grapevine (Ampelopsis sp., Vitales family) with red leaves and with yellow veins on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
20 Sep 2004 --- A green catalpa trumpet vine leaf with brown edging on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
12 Apr 2004 --- A green maple (Acer saccharum) sprout with a root on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
08 Nov 2004 --- An ornamental pear (genus Pyrus) leaf in yellow and green on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
02 Nov 2004 --- A red and green leaf from an oak (Quercus sp.) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
30 Jul 2005 --- A brown poplar leaf (genus Populus) against a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
12 Jan 2004 --- A green leaf of the Monstera genus on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
10 Nov 2005 --- A burgandy-red sassafras leaf (family Lauraceae) on a black background. --- Image by © Chad Kleitsch/Science Faction/Corbis
Maple Leaf --- Image by © Chad Kleitsch/SuperStock/Corbis