Greater Plantain

from wikipedia: http://en.wikipedia.org/wiki/Plantago_major#Edibility The young leaves can be added to salads and contain calcium and other minerals, containing as much vitamin A in 100g of the leaves as does a large carrot. The seeds can be harvested and used to make flour but they are small and tedious to gather (as I can confirm). Also from wikipedia: For millennia, poultices of plantain leaves have been applied to wounds, sores, and stings to promote healing. Due to its astringent properties, a tea of plantain leaves can be ingested to treat diarrhea or dysentery. Due to the high vitamin and mineral content, plantain tea simultaneously replenishes the nutrients lost as a result of diarrhea. Adding fresh plantain seeds or flower heads to a tea will act as an effective lubricating and bulking laxative and soothe raw, sore throats The sinews from the mature plant are very pliable and tough, and can be used in survival situations to make small cords, fishing line, sutures, or braiding