S: (n) genus ((biology) taxonomic group containing one or more species)
S: (n) form genus (an artificial taxonomic category established on the basis of morphological resemblance for organisms of obscure true relationships especially fossil forms)
S: (n) type genus ((biology) genus from which the name of a family or subfamily is formed; it is not necessarily the most representative genus but often the largest or best known or earliest described)
S: (n) form genus ((biology) an artificial taxonomic category for organisms of which the true relationships are obscure)
S: (n) Bryophyta, division Bryophyta (a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses (Bryopsida) and liverworts (Hepaticopsida) and hornworts (Anthoceropsida))
S: (n) dicot genus, magnoliopsid genus (genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination)