grouping: A class to represent a taxonomic classification
In binomen: 'Taxonomic' Specification and Parsing Methods

A class to represent a taxonomic classification

grouping(kingdom = NULL, subkingdom = NULL, infrakingdom = NULL,
  division = NULL, phylum = NULL, subdivision = NULL,
  infradavision = NULL, superclass = NULL, clazz = NULL,
  subclass = NULL, infraclass = NULL, superorder = NULL, order = NULL,
  suborder = NULL, infraorder = NULL, superfamily = NULL, family = NULL,
  subfamily = NULL, tribe = NULL, subtribe = NULL, genus = NULL,
  subgenus = NULL, section = NULL, subsection = NULL, species = NULL,
  subspecies = NULL, variety = NULL, race = NULL, subvariety = NULL,
  stirp = NULL, morph = NULL, form = NULL, aberration = NULL,
  subform = NULL, unspecified = NULL)

`kingdom`	A kingdom name
`subkingdom`	A subkingdom name
`infrakingdom`	A infrakingdom name
`division`	A division name
`phylum`	A phylum name
`subdivision`	A subdivision name
`infradavision`	A infradavision name
`superclass`	A superclass name
`clazz`	A clazz name
`subclass`	A subclass name
`infraclass`	A infraclass name
`superorder`	A superorder name
`order`	A order name
`suborder`	A suborder name
`infraorder`	A infraorder name
`superfamily`	A superfamily name
`family`	A family name
`subfamily`	A subfamily name
`tribe`	A tribe name
`subtribe`	A subtribe name
`genus`	A genus name
`subgenus`	A subgenus name
`section`	A section name
`subsection`	A subsection name
`species`	A species name
`subspecies`	A subspecies name
`variety`	A variety name
`race`	A race name
`subvariety`	A subvariety name
`stirp`	A stirp name
`morph`	A morph name
`form`	A form name
`aberration`	A aberration name
`subform`	A subform name
`unspecified`	A unspecified name