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Descriptor English: Ferns
Descriptor Spanish: Helechos
Descriptor Portuguese: Gleiquênias
Descriptor French: Fougères
Entry term(s): Blechnum
Blechnums
Fern
Tree number(s): B01.650.940.800.575.912.063
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D029624
Scope note: Seedless nonflowering plants of the class Filicinae. They reproduce by spores that appear as dots on the underside of feathery fronds. In earlier classifications the Pteridophyta included the club mosses, horsetails, ferns, and various fossil groups. In more recent classifications, pteridophytes and spermatophytes (seed-bearing plants) are classified in the Subkingdom TRACHEOPHYTA (also known as Tracheophyta).
Annotation: prefer specific plant
Allowable Qualifiers: AE adverse effects
AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PO poisoning
PS parasitology
RE radiation effects
TO toxicity
UL ultrastructure
VI virology
Public MeSH Note: 2002
History Note: 2002
DeCS ID: 35977
Unique ID: D029624
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2002/01/01
Date of Entry: 2001/07/25
Revision Date: 2017/07/13
Ferns - Preferred
Concept UI M0385058
Scope note Seedless nonflowering plants of the class Filicinae. They reproduce by spores that appear as dots on the underside of feathery fronds. In earlier classifications the Pteridophyta included the club mosses, horsetails, ferns, and various fossil groups. In more recent classifications, pteridophytes and spermatophytes (seed-bearing plants) are classified in the Subkingdom TRACHEOPHYTA (also known as Tracheophyta).
Preferred term Ferns
Entry term(s) Fern
Blechnum - Narrower
Concept UI M0418988
Scope note A genus comprising related species of ferns.
Preferred term Blechnum
Entry term(s) Blechnums



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