I still believe the best and only true definition is this: A weed is a plant growing where we don’t want it. Some plants are more likely to do that, and others are only a problem when they move here ...

Sheep Sorrel: This weedy sorrel (Rumex acetosella) has slender, triangular leaves and an acidic taste. "There are also smaller-leaved varieties, like wild sorrel or wood sorrel, whose leaves almost ...