Concept information
Preferred term
Ferns
Type
-
mesh:Descriptor
Definition
- 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). A genus comprising related species of ferns.
Broader concept
Narrower concepts
Entry terms
- txid241806
- txid29605
Allowable Qualifier(s)
- adverse effects (Qualifier)
- anatomy & histology (Qualifier)
- chemistry (Qualifier)
- classification (Qualifier)
- cytology (Qualifier)
- drug effects (Qualifier)
- embryology (Qualifier)
- enzymology (Qualifier)
- genetics (Qualifier)
- growth & development (Qualifier)
- immunology (Qualifier)
- metabolism (Qualifier)
- microbiology (Qualifier)
- parasitology (Qualifier)
- physiology (Qualifier)
- poisoning (Qualifier)
- radiation effects (Qualifier)
- toxicity (Qualifier)
- ultrastructure (Qualifier)
- virology (Qualifier)
In other languages
-
French
-
txid241806
-
txid29605
URI
http://data.loterre.fr/ark:/67375/JVR-QVXL402P-D
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