Unsupported cultivar names
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.
- R
- ‘Racomia’
- ‘Radiatum Carmineum’
- ‘Ragged Robin’
- ‘Raggedy Anne’
- ‘Rain and Fire’
- ‘Ramonda’
- ‘Ramosum’
- ‘Raspberry’
- ‘Ray Leslie’
- ‘Razzamatazz’
- ‘Red Bronze Beauty’
- ‘Red Brott’
- ‘Red Cardinal’
- ‘Red Carnation’
- ‘Red Cluster’
- ‘Red Elite’
- ‘Red Fleurette’
- ‘Red Floral Cascade’
- ‘Red Graham’
- ‘Red Halo’
- ‘Red Ink No description.’
- ‘Red Salmonia’
- ‘Red Satisfaction’
- ‘Redworth’
- ‘Reedii’
- ‘Reeves Red’
- ‘Reine Blanche’
- ‘Reine de Francais’
- ‘Reine des Fleurs’
- ‘Reisenpfalter’
- ‘Rene’
- ‘Rene Boyslevre’
- ‘Rene Jobert’
- ‘Reticulatum’
- ‘Rev. H. Dombrain’
- ‘Reverend Raby’
- ‘Reward’
- ‘Rica’
- ‘Richard Cobden’
- ‘Richard Thornton’
- ‘Rifleman’
- ‘Ringleader’
- ‘Ripley Castle’
- ‘Robers Cerise’
- ‘Robustum’
- ‘Rod Meteor’
- ‘Roger B’
- ‘Roi des Lilaces’
- ‘Roi des Lilliput’
- ‘Roi des Nains’