Unsupported cultivar names

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In the following list, cultivar names have been recorded without attribution or description and additional information is unavailable at the time of going to print.

History or knowledge of these cultivars should be sent to the Registrar for inclusion in the Addendum.

    U
  • ‘Ulmer Silver’
  • ‘Ulyona’
  • ‘Undergraduate’
  • ‘Unidette’
  • ‘Unique Carmin’
  • ‘Unique Molle’
  • ‘Unique Polka’
  • ‘Unique Superba’
  • ‘Unit’
  • ‘United States’
  • ‘Upright Coconut’
  • ‘Utility’
  • ‘Uxbridge Magnet’
  • V
  • ‘Vallisa’
  • ‘Valour’
  • ‘Van Amburg’
  • ‘Van Beneden’
  • ‘Van Dyck’
  • ‘Vandemonian’
  • ‘Vanquisher’
  • ‘Variegated Coral Flame’
  • ‘Variegated Fascination’
  • ‘Variegated Lila Cascade’
  • ‘Variegated Mint Rose’
  • ‘Variegated Nosegay’
  • ‘Variegated Nutmeg’
  • ‘Variegated Oak’
  • ‘Variegated Orange’
  • ‘Variegated Peach’
  • ‘Variegated Rose’
  • ‘Variegated Stella’
  • ‘Variegated Tom Thumb’
  • ‘Variegated Vesuvius’
  • ‘Variegated White Clipper’
  • ‘Veich’s Pirate’
  • ‘Velma Anrigueta’
  • ‘Velma Cox’
  • ‘Venue’
  • ‘Verbesserte Gotz’
  • ‘Vevey’
  • ‘Vicco White’
  • ‘Viceroy’
  • ‘Vicomte de Lavilleon’
  • ‘Vicomte de Nadaillac’
  • ‘Vicomtesse de Belleval’
  • ‘Vicomtesse de Malezieux’
  • ‘Victoire de Puebla’
  • ‘Victoria Magna’
  • ‘Village Hill’
  • ‘Village Maid’