Narrowleaf Plantain - The Washington Post
May 31, 2011 Of the plants able to thrive in a sun-baked sidewalk crack, few are more successful than a perennial herb that arrived with early European colonists. In the spring, narrowleaf plantain, or ribwort, sends up a long, thin stalk topped with a small pineapple-shaped flower head. A ring of tiny white anthers, which