Polypodium glycyrrhiza very often associated with Acer macrophyllum. The fern is mycorrhizal, meaning it can form root associations with the hyphae of fungi. The sweet flavor of the rhizome was once attributed to the glycoside glycyrrhizin. However, a study has shown that the flavor may actually be due to polypodoside, which is 600 times sweeter than 6% sucrose solution. Licorice fern is cultivated as an ornamental garden plant. The cultivar 'Longicaudatum' has gained the Royal Horticultural Society's Award of Garden Merit. The licorice fern is sometimes valued for its licorice-flavored rhizome. Occasionally it is chewed, and it can also be brewed into
Sarcandra glabra and other places, growing at an altitude of 420 meters to 1,500 meters in area, often grown in wet slopes and valleys of the forest shade. It has not yet been cultivated by artificial introduction. "Nine-knotted flower," "bone-knitted lotus." Sarcandra glabra "Sarcandra glabra" is an herb native to Southeast Asia. It is also known as herba sarcandrae or glabrous sarcandra herb. Aromatic oils may be extracted from the leaves. The entire plant has anti-stress, antioxidant, anti-inflammatory, detoxifying, blood activating, and anti-bacterial effects. Leaf blade elliptic or ovate-lanceolate, 6–17 × 2–6 cm, leathery, margin sharply coarsely-serrate. Stamen baculate to terete; thecae