Edible plant in the same family as spinach. Tasted like lemon.
Growing in a patch of grasses at the center of the parking lot, these little flowers helped identify the grass as "sweet vernal." The leaves were palatable, a bit like spinach.
Rumex acetosella is a species of sorrel bearing the common names sheep's sorrel, red sorrel, sour weed, and field sorrel. The plant and its subspecies are common perennial weeds. It has green arrowhead-shaped leaves and red-tinted deeply ridged stems, and it sprouts from an aggressive rhizome. The flowers emerge from a tall, upright stem. Female flowers are maroon in color.