Though the url for this site has been posted before, it's worth posting again. If you've got a chunk of wood and want to find out what it is - THIS IS A GREAT PLACE TO START!
formatting link
of color photos, often with close ups, especially of end grain, cross referenced "common names" to latin names, critical if you want to find technical info on a particular wood.And for folks who want photos of their work - that actually look like the real piece - no added blues or reds because of lighting etc., there's info on how to get photos with accurate colors - including computer monitors and colors, digital cameras and color correction, info on wood toxicity etc..
Bookmark this site - with asterikses (sp?) - it's a keeper you'll use often - especially if you're a wood phreak.
charlie b