Binary name

In botanical nomenclature, the ICBN prescribes a two-part name or binary name for any taxon below the rank of genus down to, and including the rank of species. Taxa below the rank of species (infraspecific taxa) get a three part name (ternary name).

Related Topics:
Botanical nomenclature - ICBN - Rank - Infraspecific taxa - Ternary name

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The ranks explicitly mentioned in the ICBN as having a binary name are:

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• subgenus
• section
• subsection
• series
• subseries
• species