Meaning of CLASS GINKGOPSIDA

WordNet Dictionary
	Definition:		[n]  ginkgos: in some systems classified as a class (Ginkgopsida) and in others as a subdivision (Ginkgophytina or Ginkgophyta); used in some classifications for one of five subdivisions of Gymnospermophyta
	Synonyms:		Ginkgophyta, Ginkgophytina, Ginkgopsida, subdivision Ginkgophytina
	See Also:		class, class Gymnospermae, division Gymnospermophyta, Ginkgoales, Gymnospermae, Gymnospermophyta, order Ginkgoales