Proper noun
ICBN
(botany, superseded by ICN) Abbreviation of International Code of Botanical Nomenclature, a body of rules and recommendations governing botanical names. [before 2011]
Article 16 of the ICBN allows either a descriptive name or a name formed from the name of an included family. Source: Internet
Other descriptive names allowed by Article 16 of the ICBN include Dicotyledones or Dicotyledoneae, and Monocotyledones or Monocotyledoneae, which have a long history of use. Source: Internet