Tian Ma and San Qi-
Exerpt from Bob Flaw's blog owner of Blue Poppy Enterprises at http://www.bluepoppy.com/blog/blogs/blog1.php?blog=1&title=cites-listed-herbs-in-chinesemedicine&disp=single&more=1&c=1&tb=1&pb=1

Tian Ma and San Qi are examples of herbs that are thoroughly depleted in the wild environment. Wild San Qi is practically extinct, and wild Tian Ma is exceedingly rare. Tian Ma is cultivated by cell culture and the only “wild” Tian Ma seen on the market is nearly always cultivated Tian Ma that is undernourished and shriveled so that it can pass as a counterfeit of the true wild product.