Dude, I don't assume and I don't accuse.
From the horse's mouth...
http://hempworld.com/Hemp-CyberFarm_com/htms/research_orgzs/iha/ihagenetic.html
See, they simply SET a number no mention of any other source for that number other than Crossa.
Now, please go and find me some Crossa from 93 that isn't just a model or even better, since it seems you don't think data of other species are valid here, find Crossa writing about cannabis.
I can find you Clarke attempting to help address the genetic decline in hemp in russia where they used the model
http://www.hempfood.com/iha/iha02106.html