Deciphering Balsamic Vinegars
Posted by jamonito on November 21 2010 11:00
Maria Reidelbach sent in this excellent explanation of the different types of balsamic vinegar on the market.

http://www.huffingtonpost.com/craig-goldwyn/balsamic-vinegar-types-aceto-balsamico_b_775299.html#s168397

Technically, the vinegar making process is bacterial and not fungal--but it's a good read despite the lack of mushooms.