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 subsp. glabra Eremophila glabra subsp. glabra Eremophila glabra" subsp. "glabra is a plant in the figwort family, Scrophulariaceae and is endemic to the mainland states of Australia. It is similar to other shrubs in the species "Eremophila glabra" but it distinguished from them by the pattern of fine hairs on the stems. It is found in the drier parts of the continent, including to the west of the Great Dividing Range in the eastern states. "Eremophila glabra" subsp. "glabra" is a shrub varying in size but in the range high, sometimes spreading to wide. The stems are covered with fine white hairs,