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Hymenophyllum
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Hymenophyllum

fern genus

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annotated classification

  • tree fern
    In fern: Annotated classification

    …filamentous, gemmiferous; principal genera are Hymenophyllum and Trichomanes; 9 genera (different authorities give anywhere from 2 to more than 28) with some 600 species found in tropical regions around the world, a few species extending into temperate areas. Order Gleicheniales Family Gleicheniaceae

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Hymenophyllaceae

  • filmy fern
    In Hymenophyllaceae

    …ferns have been recognized as Hymenophyllum and Trichomanes, which differ in details of the soral morphology. The other most commonly accepted genera in the family are Cardiomanes, Cephalomanes, Crepidomanes, Hymenoglossum, and Serpyllopsis, based on very subtle and inconsistent morphological differences. Modern molecular data suggest that some of these groups are…

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