Sheep sorrel – Rumex acerosella
These plants are seldom more than 30 centimeters tall. They have alternate leaves, often with arrowlike bases, very small flowers, and frequently reddish stems.
Habitat and Distribution:
Look for these plants in old fields and other disturbed areas in North America and Europe.
The plants are edible raw or cooked. CAUTION: These plants contain oxalic acid that can be damaging if too many plants are eaten raw. Cooking seems to destroy the chemical.