It is Green Lynx Spider - Peucetia viridans. Seems to be a lady, but I can't see well the pedipalps to be sure.
Info here http://bugguide.net/node/view/...
You can see some of my pictures, here: http://bugguide.net/node/view/...
a mother guarding her eggs-sac, keeping all her 8 eyes on photographer.