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|Noun||1.||genus Osmunda - type genus of the Osmundaceae|
family Osmundaceae, Osmundaceae - large family of ferns widely distributed in temperate and tropical areas
osmund, flowering fern - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters
fern genus - genera of ferns and fern allies