Here's a link to the real answer. This was hard to figure out on the net, so we figured we'd just man-up and ask. Who knew they'd just tell us?

http://www.kswbeer.com/2012/05/what-yea ... s-use.html

Ringwood? Dog Fish Head uses Ringwood ...

You put it in bold print yourself - ringwood is the "closest retail strain". There could be a substantial difference between that and the house strain.

The point was that there wasn't really an official answer on the entire internet, that we could find. Maybe thousands of people knew, but it was difficult to Google. So we asked. That's the answer, with the bold print. The purpose was to end the debate.