nasturtium amphibium

common name	tall nastrurtium, watercress
contains	iodine, iron, potassium, vitamin A, vitamin B1, vitamin C, vitamin D, vitamin E, vitamin P
range	north temperate regions
used to treat	anemia, catarrh of upper eczema, gout, heart ailments, indigestion, kidney ailments, respiratory tract, tuberculosis
comments	It has been used in salads since the beginning of recorded history. It is eaten as a treatment for kidney and heart ailments, and is a very effective expectorant. It is believed to induce abortion in pregnant women and cause temporary sterility in men. Excessive or prolonged use can lead to kidney problems.