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
Plant sources of anti-cancer agents podophyllotoxin which is found in "Podophyllum peltatum" (May Apple). Chemicals extracted from clippings of "Taxus brevifolia" (Pacific yew) have been used as the basis for two chemotherapy drugs, docetaxel and paclitaxel. Contains ingenol mebutate (Picato) which is used to treat skin cancer Trastuzumab emtansine (Kadcyla) is an antibody conjugated to a synthetic derivative of the cytotoxic principle of the Ethiopian plant "Maytenus ovatus". It used to treat breast cancer. Plant sources of anti-cancer agents Plant sources of anti-cancer agents are plants, the derivatives of which have been shown to be usable for the treatment or prevention of cancer in humans.