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
Eremophila glabra and light pruning. Propagation from seed is difficult but cuttings strike readily and preserve the features of the parent plant. It will grow in most soils, and in most positions from full sun to full shade. Most forms are drought tolerant and will survive most frosts although a few with hairy leaves will not tolerate high humidity. "Eremophila glabra" is popular in native gardens and a number of cultivars have been developed. A yellow flowered, prostrate form called "Kalbarri Carpet" is available as is the variety "Murchison Magic", a silvery-leaved form with red flowers. Eremophila glabra Eremophila glabra, commonly known