Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun osmunda_regalis

1 sense of osmunda regalis

Sense 1
royal fern, royal osmund, king fern, ditch fern, French bracken, Osmunda regalis -- (large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds)
       => flowering fern, osmund -- (any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters)