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Definition of Genus regnellidium
1. Noun. One species of aquatic or semiaquatic fern.
Group relationships: Family Marsileaceae, Marsileaceae
Member holonyms: Regnellidium, Regnellidium Diphyllum
Generic synonyms: Fern Genus
Member holonyms: Regnellidium, Regnellidium Diphyllum
Generic synonyms: Fern Genus