Loading...
Header Logo
Keywords
Last Name

Ferns

"Ferns" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
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 in the division, or phylum, Tracheophyta.


expand / collapse publications
This graph shows the total number of publications written about "Ferns" by people in this website by year, and whether "Ferns" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.
_