How do I plant it? Was: Is this Java Fern?
 

http://www.dlink.org/aqua/image/java_fern.jpg

Its clear that this is not Java Fern. Then how do I plant this variety.
Should I tie in a rock/wood or just plant it in the substrate.

Thanks a lot for your responses.

Dominic
http://www.dlink.org/aqua