4.91—List of approved prime names.
         The following grape variety names have been approved by the Administrator for use as type designations for American wines. When more than one name may be used to identify a single variety of grape, the synonym is shown in parentheses following the prime grape names. Grape variety names may appear on labels of wine in upper or in lower case, and may be spelled with or without the hyphens or diacritic marks indicated in the following list.
 
    
    Aglianico
        Agwam
        Albariño (Alvarinho)
        Albemarle
        Aleatico
        Alicante Bouschet
        Aligoté
        Alvarelhão
        Alvarinho (Albariño)
        Arneis
        Aurore
        Bacchus
        Baco blanc
        Baco noir
        Barbera
        Beacon
        Beclan
        Bellandais
        Beta
        Black Corinth
        Black Pearl
        Blanc Du Bois
        Blue Eye
        Bonarda
        Bountiful
        Burdin 4672
        Burdin 5201
        Burdin 11042
        Burgaw
        Burger
        Cabernet franc
        Cabernet Pfeffer
        Cabernet Sauvignon
        Calzin
        Campbell Early (Island Belle)
        Canada Muscat
        Captivator
        Carignane
        Carlos
        Carmenère
        Carmine
        Carnelian
        Cascade
        Castel 19-637
        Catawba
        Cayuga White
        Centurion
        Chambourcin
        Chancellor
        Charbono
        Chardonel
        Chardonnay
        Chasselas doré
        Chelois
        Chenin blanc
        Chief
        Chowan
        Cinsaut (Black Malvoisie)
        Clairette blanche
        Clinton
        Colombard (French Colombard)
        Colobel
        Cortese
        Corvina
        Concord
        Conquistador
        Couderc noir
        Counoise
        Cowart
        Creek
        Cynthiana (Norton)
        Dearing
        De Chaunac
        Delaware
        Diamond
        Dixie
        Dolcetto
        Doreen
        Dornfelder
        Dulcet
        Durif
        Dutchess
        Early Burgundy
        Early Muscat
        Edelweiss
        Eden
        Ehrenfelser
        Ellen Scott
        Elvira
        Emerald Riesling
        Feher Szagos
        Fernão Pires
        Fern Munson
        Fiano
        Flame Tokay
        Flora
        Florental
        Folle blanche
        Fredonia
        Freisa
        Fry
        Furmint
        Gamay noir
        Garronet
        Gewürztraminer
        Gladwin 113
        Glennel
        Gold
        Golden Isles
        Golden Muscat
        Grand Noir
        Green Hungarian
        Grenache
        Grignolino
        Grillo
        Gros Verdot
        Helena
        Herbemont
        Higgins
        Horizon
        Hunt
        Iona
        Isabella
        Ives
        James
        Jewell
        Joannes Seyve 12-428
        Joannes Seyve 23-416
        Kerner
        Kay Gray
        Kleinberger
        LaCrosse
        Lake Emerald
        Lambrusco
        Landal
        Landot noir
        Lenoir
        Léon Millot
        Limberger (Lemberger)
        Madeline Angevine
        Magnolia
        Magoon
        Malbec
        Malvasia bianca
        Maréchal Foch
        Marsanne
        Melody
        Melon de Bourgogne (Melon)
        Merlot
        Meunier (Pinot Meunier)
        Mish
        Mission
        Missouri Riesling
        Mondeuse (Refosco)
        Montefiore
        Moore Early
        Morio-Muskat
        Mourvèdre (Mataro)
        Müller-Thurgau
        Münch
        Muscadelle
        Muscat blanc (Muscat Canelli)
        Muscat du Moulin
        Muscat Hamburg (Black Muscat)
        Muscat of Alexandria
        Muscat Ottonel
        Naples
        Nebbiolo
        Négrette
        New York Muscat
        Niagara
        Noah
        Noble
        Norton (Cynthiana)
        Ontario
        Orange Muscat
        Palomino
        Pamlico
        Pedro Ximenes
        Petit Verdot
        Petite Sirah
        Peverella
        Pinotage
        Pinot blanc
        Pinot gris (Pinot Grigio)
        Pinot noir
        Precoce de Malingre
        Pride
        Primitivo
        Rayon d'Or
        Ravat 34
        Ravat 51 (Vignoles)
        Ravat noir
        Redgate
        Regale
        Riesling (White Riesling)
        Rkatziteli (Rkatsiteli)
        Roanoke
        Rosette
        Roucaneuf
        Rougeon
        Roussanne
        Royalty
        Rubired
        Ruby Cabernet
        St. Croix
        St. Laurent
        Saint Macaire
        Salem
        Salvador
        Sangiovese
        Sauvignon blanc (Fumé blanc)
        Scarlet
        Scheurebe
        Sémillon
        Sereksiya
        Seyval (Seyval blanc)
        Siegerrebe
        Siegfried
        Southland
        Souzão
        Steuben
        Stover
        Sugargate
        Sultanina (Thomspon Seedless)
        Summit
        Suwannee
        Sylvaner
        Symphony
        Syrah (Shiraz)
        Swenson Red
        Tannat
        Tarheel
        Taylor
        Tempranillo (Valdepeñas)
        Teroldego
        Thomas
        Thompson Seedless (Sultanina)
        Tinta Madeira
        Tinto cão
        Tocai Friulano
        Topsail
        Touriga
        Traminer
        Traminette
        Trousseau
        Trousseau gris
        Ugni blanc (Trebbiano)
        Valdiguié
        Valerien
        Van Buren
        Veeblanc
        Veltliner
        Ventura
        Verdelet
        Verdelho
        Vidal blanc
        Villard blanc
        Villard noir
        Vincent
        Viognier
        Vivant
        Welsch Rizling
        Watergate
        Welder
        Yuga
        Zinfandel