#osmund__flowering_fern__floweringfern any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters
supertype: fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
member of: genus_Osmunda
subtype: royal_fern__royalfern__royal_osmund__royalosmund__king_fern__ditch_fern__ditchfern__French_bracken__Osmunda_regalis large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds
subtype: interrupted_fern__interruptedfern__Osmunda_clatonia North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the center of the fertile fronds
subtype: cinnamon_fern__fiddlehead__fiddlehead_fern__Osmunda_cinnamonea New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible
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