| RACHEL |
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| RACY |
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| RASPBERRY ICE |  |
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Mina Colvin / USA / 1973 |
| RED BEAM |
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| RED BEAUTY |  |
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| RED DELTA |
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| RED FLUSH |  |
Apple-green pointed leaves opening to a lovely flush of red. Best color in spring & fall
S. tectorum |
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| RED GLEAM |
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| RED GLORY | |||
| RED LION |
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| REINHARD |
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Martin Haberer / D / 1979
Parent: S. cantabricum |
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| RHONE |
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| RICOS DE URBION |  |
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| RITA JANE |  |
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| ROCKNOLL ROSETTE |
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| ROJIN |  |
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| ROSIE |  |
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| ROSE QUEEN |  |
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| ROTKOPF |
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| ROTMANTEL |
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| ROUGE | |||
| ROUND ROBIN |  |
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| ROYAL OPERA |
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| ROYAL RUBY |
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Ed Skrocki / USA / 1971 |
| RUBICUNDUM | |||
| RUBRA ASH |
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Sandy Mac Pherson / USA / 1962 | |
| RUBRA RAY |
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Sandy Mac Pherson / USA / 1962 | |
| RUPICOLUM |
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| RUBRIKON IMPROVED |
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Ed Skrocki / USA / 1970 /
Parent: S. marmoreum |
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| RUBRUM BORSCH | |||
| RUBY |
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| RUBY |
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