plant identification

I'm sorry, I REALLY hate posting this however I recently got this plant from my LFS and I can't remember what it is. Thanks :) leaf by soap3r123, on Flickr

So I spent nearly $60 on plants today. I am finally planting my South American tank and have just got my Asian tank cycled, so lots of plants from sh** stores in three cities! I researched everything before I bought them with one exception. I found this one cute little fern looking plant at...