- Roos 'Mystery Plate'Rosa 'Mystery Plate'
- Roos 'Narrow Water'Rosa 'Narrow Water'
- Roos 'Ninetta'Rosa 'Ninetta'
- Roos 'Nova Select'Rosa 'Nova Select'
- Roos 'Orange Climber'Rosa 'Orange Climber'
- Roos 'Oranges and Lemons'Rosa 'Oranges and Lemons'
- Roos 'P.G. Wodehouse'Rosa 'P.G. Wodehouse'
- Roos 'Pacific Blue'Rosa 'Pacific Blue'
- Roos 'Peach Clementine'Rosa 'Peach Clementine'
- Roos 'Perennial Blush'Rosa 'Perennial Blush'
- Roos 'Perla Bianca'Rosa x 'Perla Bianca'
- Roos 'Phaedra'Rosa 'Phaedra'
- Roos 'Pink Abundance'Rosa 'Pink Abundance'
- Roos 'Pink Decumba®'Rosa 'Pink Decumba®'
- Roos 'Pink Knock Out'Rosa 'Pink Knock Out'
- Roos 'Pink Magic'Rosa 'Pink Magic'
- Roos 'PM Catharina'Rosa 'PM Catharina'
- Roos 'Pompon de Bourgogne'Rosa x centifolia 'Pompon de Bourgogne'
- Roos 'Popcorn'Rosa 'Popcorn'
- Roos 'Port Sunlight'Rosa 'Port Sunlight'
- Roos 'Pretty Pink'Rosa 'Pretty Pink'
- Roos 'Princess Anne'Rosa 'Princess Anne'
- Roos 'Red Drift'Rosa 'Red Drift'
- Roos 'Red Romance'Rosa 'Red Romance'
- Roos 'Red Wanderer'Rosa 'Red Wanderer'
- Roos 'René d'Anjou'Rosa 'René d'Anjou'
- Roos 'Rivierenhof'Rosa 'Rivierenhof'
- Roos 'Robe Fleurie'Rosa 'Robe Fleurie'
- Roos 'Robin Hood'Rosa 'Robin Hood'
- Roos 'Rody'Rosa 'Rody'
- Roos 'Rosalita'Rosa 'Rosalita'
- Roos 'Rose-Marie Viaud'Rosa 'Rose-Marie Viaud'
- Roos 'Royal White'Rosa 'Royal White'
- Roos 'Saint Catherine'Rosa 'Saint Catherine'
- Roos 'Saphir'Rosa 'Saphir'