U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

classification [Subheading]

Used for taxonomic or other systematic or hierarchical classification systems.

Year introduced: 1966

PubMed search builder options

Tree Number(s): Y19

MeSH Unique ID: Q000145

Entry Terms:

  • taxonomy
  • systematics
  • hierarchies
  • hierarchy

Supplemental Content

Loading ...