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water clover
fern genus
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classification
- In fern: Annotated classification
…plants rooted in the substrate—Marsilea (waterclover), Pilularia (pillwort), and Regnellidium—with about 75 species found nearly worldwide. Order Cyatheales (tree ferns) Family Cyatheaceae
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Marsileaceae
- In Marsileaceae
…are extremely long-lived; Marsilea (water clover) sporocarps more than 100 years old have been grown successfully to give rise to new sporophytes.
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