பொருள் : Tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes.
ஒத்த சொற்கள் : matteuccia struthiopteris, onoclea struthiopteris, ostrich fern, pteretis struthiopteris, shuttlecock fern
பொருள் : New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds. The early uncurling fronds are edible.
ஒத்த சொற்கள் : cinnamon fern, fiddlehead fern, osmunda cinnamonea