Hi Janner - I've never heard of Green Stevia here in the
states. Possibly Xania can help you with a source for the
white crystaline type, since she lives in the UK.
I don't think Xania is on as frequently as she used to be,
so perhaps send her a PM message.
Another website you might go to to ask your question
about the Green Stevia, is www.Energiseforlife.com/
It's members are mostly UK and Aussies and may be more
familiar with the Green Stevia.
Good Luck! We all hate to have bought stuff we can't use.