ba·so·nym | \ ˈbā-sə-ˌnim, -sō- \
Definition of basonym
: the earliest validly published name of a taxon, being in the case of a binomial or trinomial the source of the valid specific or subspecific epithet when the taxon is transferred to a new combination and in technical usage always accompanied by the name of the original author Crataegus spicata Lamarck is the basonym of Amelanchier spicata
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