10470 | SAINT LAURENT | 22497 | NEGRET DE COUTANCEAU | SAINT LAURENT = NEGRET DE COUTANCEAU Negret de Coutanceau (0Mtp1497) is an accession in the Vassal grapevine collection (FRA139) and proved to be matching Saint-Laurent Code 203 in the same collection. Source: Réseau Français des Conservatoires de Vigne. | assignment to a different prime name | 2023-02-23 |