| 释义 | ditch fernThesaurus
 | Noun | 1.  ditch fern - large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted frondsFrench bracken, Osmunda regalis, royal fern, royal osmund, king fernosmund, flowering fern - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters | 
 ditch fern
 Synonyms for ditch fernnoun large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted frondsSynonymsFrench brackenOsmunda regalisroyal fernroyal osmundking fern
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