Polypodium glycyrrhiza Polypodium glycyrrhiza frond with sori. Polypodium glycyrrhiza frond with immature sori. Polypodium glycyrrhiza divisions with rhizomes, roots, and leaves. Polypodium glycyrrhiza rhizome. Polypodium glycyrrhiza in 4-inch containers at a native plant nursery near Portland, Oregon. Polypodium glycyrrhiza growing as an epiphyte.