Xanthoparmelia callifolioidesXanthoparmelia callifolioides is a foliose lichen that belongs to the genus Xanthoparmelia.DescriptionXanthoparmelia callifolioides grows to around 5–10 cm in diameter with broad light green lobes that are 1.5-3mm wide. It grows on small stones, pebbles, and nearby soil. Its back side contains moderate collections of patchy simple rhizines that are approximately 1–2 mm long. A close relative is the lichen Xanthoparmelia taractica.Habitat and rangeXanthoparmelia callifolioides is found mostly in the southern hemisphere, including Argentina, Australia, Bolivia, and Chile.ChemistryXanthoparmelia callifolioides is known to contain usnic acid.