Polypodium glycyrrhiza have random placement, originating at various points. The rhizome appears reddish-brown, and is a sweet licorice-flavored. The name "glycyrrhiza" refers to this flavor--"glykys" in Greek means sweet, with "rhiza" meaning root. Since it is a fern, "P. glycyrrhiza" reproduces by spores; the spores grow in a pattern of spots on the undersides of the leaves. These sori may be oval in immaturity. Licorice fern may grow over the ground, rocks, or as an epiphyte. The plant prefers moist environments, so it is typically found on wet ground, rocks, and logs. Occasionally it can be seen on fallen trees. It is
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