单种属 meaning in English

autogenus
monotypic

The percentage of families with single genus and genera with single species is considerably large , and the rate of endemic species to china is 6 . 12 % . all these demonstrate the complexion of hepaticae - flora and the ancient character of origin of bryophytes in hebei
河北省苔类区系中现存的单属科、单种属比例较大，多为处于演化终极的只有少数残遗种的科属，这反映了本省苔类植物区系起源的古老性。
The studying method of flora adopted by this thesis are follows : the statistics of the dominant families and genera , along with single families and genera , abundance index ( ai ) , similarity coefficient of genus ( scg ) , floristic spectrum analysis ( fsa ) , principal components analysis ( pca ) , as well as agglomerative classification analysis ( aca )
16 ；单种属占总属数的39 39 ，其种数仅占总种数的门26 ；而6个优势科中所含的种数占到总种数的903 ， 9个优势属中所含的种数占总种数的47