Australian wine important resource in the globalisation of wine and wine critic Matt Kramer notes that "the most powerful influence in wine today" comes from Australia. "GSM" is a name commonly used for a red wine consisting of a blend of Grenache, Shiraz (Syrah), and Mourvèdre. Blends where Shiraz is the main component are sometimes referred to instead as SGM. This blend originated from those used in some Southern Rhône wines, including Châteauneuf-du-Pape, though it is also found in South Australia, California (particularly Paso Robles, originating with Tablas Creek Vineyard), and Washington (Columbia Valley); smaller production exists in Argentina and South Africa.
Persan (grape) wine region. In 1902, L. Rougier, an ampelographer writing for Pierre Viala and Victor Vermorel's catalog of grape varieties, determined that the two were separate varieties with Étraire de la Dui likely being an offspring of Persan. Over a 100 years later, DNA testing conducted by Swiss geneticist José Vouillamoz "strongly suggested" that there was, indeed, a parent-offspring link between Persan and Étraire de la Dui but in what direction (i.e. who is the parent and who is the offspring) is not yet known. Other varieties that Persan has been confused with over the years include Mondeuse noire, Syrah and