Rumex acetosella; the Sheep's Sorrel is the smallest of all common dock species of Iceland. It can best be recognized by the narrow leaves with two lateral blades on the base. It grows on dry grounds often on land disturbed by some sort of human activity.
Leaf shapes of the common sorrel species on Iceland
| Rumex acetosa | Rumex acetosella |
 |
 |
| Rumex longifolius | Oxyria digyna |
 |
 |
