Polypodium glycyrrhiza a licorice-flavored tea. It may be used as a medicine for colds and respiratory conditions by indigenous peoples. It is considered an important medical plant and may have been used similar to cough drops. Since the rhizome is so sweet even in its naturally occurring state, and since the chemical is not a saccharide, it is possible that this compound could be used as a natural alternative to traditional sweeteners. Polypodium glycyrrhiza Polypodium glycyrrhiza, commonly known as licorice fern, many-footed fern, and sweet root, is a summer deciduous fern native to western North America, primarily in a narrow strip in
Arabis glabra Arabis glabra Arabis glabra, commonly known as tower rockcress or tower mustard, is a tall, slim, grey-green plant with small creamy flowers at the top of the stem. It usually grows on poor chalky or sandy soils, in open situations. It is native to Europe, Asia, and North Africa, and it is widespread in North America where it is also probably native. It can be found in many other parts of the world as an introduced species. It is classified as an endangered species in the UK and is considered to be facing a very high risk of extinction in