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Varieties with a similar appearance
Karolin
| Characters compared | Value |
| Maturity: | Intermediate |
| Growth habit: | Semi erect to erect |
| Foliage cover: | Moderate to good |
| Flower frequency: | Rare to occasional |
| Light sprout colour: | Blue |
| Tuber skin colour: | White to yellow |
| Tuber eye colour: | Yellow |
| Primary tuber flesh colour: | Light yellow |
| Tuber shape: | Oval to round |
| Tuber eye depth: | Shallow |
| Tuber skin texture: | Intermediate |
| Variety | Characters matched | Sources |
| Maritiema | 9/11 | 2 |
| Karolin | 9/11 | 2 |
| Bintje | 8/11 | 9 |
| Obelix | 8/11 | 6 |
| Ditta | 8/11 | 4 |
| Great Scot | 8/11 | 4 |
| Pentland Falcon | 8/11 | 3 |
| Marfona | 8/11 | 3 |
| Wilja | 8/11 | 3 |
| Provento | 8/11 | 2 |
| Cosmos | 8/11 | 1 |
| Giana Riunda | 8/11 | 1 |
| Escort | 7/11 | 7 |
| Spunta | 7/11 | 6 |
| Duke of York | 7/11 | 5 |
| Hermes | 7/11 | 5 |
| Producent | 7/11 | 4 |
| Ukama | 7/11 | 4 |
| Atlantic | 7/11 | 4 |
| Estima | 7/11 | 4 |
| Katahdin | 7/11 | 4 |
| Revelino | 7/11 | 3 |
| Samba | 7/11 | 3 |
| Ausonia | 7/11 | 3 |
| Eigenheimer | 7/11 | 3 |
| Cilena | 7/11 | 3 |
| Dr McIntosh | 7/11 | 3 |
| Cromwell | 7/11 | 3 |
| Kondor | 7/11 | 3 |
| Pentland Dell | 7/11 | 3 |
| Vivaldi | 7/11 | 3 |
| Pentland Ivory | 7/11 | 3 |
| Timate | 7/11 | 3 |
| Marta (1944) | 7/11 | 2 |
| Romina | 7/11 | 2 |
| Freika | 7/11 | 2 |
| Ulster Prince | 7/11 | 2 |
| Goldstar | 7/11 | 2 |
| Sira | 7/11 | 2 |
| Koto | 7/11 | 2 |
| Francine | 7/11 | 2 |
| Karlena | 7/11 | 2 |
| Juligelb | 7/11 | 2 |
| Diamant (1968) | 7/11 | 2 |
| Home Guard | 7/11 | 2 |
| Jiskra | 7/11 | 2 |
| Baranovskii | 7/11 | 1 |
| Seresta | 7/11 | 1 |
| Stamina | 7/11 | 1 |
