Quote Originally Posted by veggii
Yes the girls with Fat leaves are sativa, skinny leaves are indica ,
Sorry, I know this is kind of an old thread, but when I read it and saw veggii's reply...I just had to say... U got that bass ackwards. Have a look here, pretty straight forward, for normal healthy plants, that are more than 50% of one or the other. There are many strains of mixed Sativas though, very popular.

This page shows two fine examples.
Indica or Sativa? Weed (Cannabis) Growing Guide:
:rastasmoke: