Here you can find strains from unknown breeders or legendary strains. This strains you can not buy anywhere, maybe they are only storys or history. Some of this strains are umbrella terms as like as real strains - like White Widow, Skunk, or Purple Haze. Some of them are also available from a lots of breeders. So here we have a place for all this legends.

From THCfarmer.com:
That is the University of Washington( U-Dub) clone that has been held in Oregon for many years,this is the indica version. There's another U-Dub clone floating around the PNW that the locals call "G-13" that has an open structure that looks more sativa.