Science Project

I have a science project due September 30,2005. Today is September 25,2005. I won't be at school tomorrow.
Ok,for my project I have to find 20 different leaves and have this information for them: common name,scientific name,a paragraph about the lieaf with leaf size,leaf,shape,tree's bark,and extra information on the tree.
Here are the trees I have(common southern names):sweet gum, southern magnolia,Japanese Red Leaf Maple,Mamosa,Spruce Tree,Bamboo tree,Oak tree,whit oak,red oak,Grand Pappy Grey Beard,Chinaberry tree,Red Birch,Cherry oak,pear,plum,apple,pecan,fig,and I also need 2 others.
I can find the leaves,I just need to figure out how to identify them and where to find the needed information above.

Can you help me?
If you can,e-mail me at: [email protected] or [email protected]