The natural french grapevine varieties assortment has been reduced during the recent years because of many factors. principally the post-phylloxeric reconstitution. the rationalisation of the production and the varietal and clonal selections. Before a still more important reduction is to be made it is necessary to give a classification of french autochton cultivars based on ecogeograp... https://www.roneverhart.com/New-Orleans-Po-Boy-Fest-Maple-Leaf-Bar-3x3/