A novel yeast species, sp. nov., is proposed in this paper based on two strains isolated from leaves and one strain from soil in Taiwan. The strains produce one or two spherical ascospores in each ascus, preceded by conjugation of individual cells. Genus assignment and distinction of the species from other recognized species of are based on morphological and physiological characteristics and on phylogenetic analysis of nucleotide sequences of the D1/D2 domains of the large subunit (LSU) rRNA gene. Sequence analysis of the D1/D2 domains of the LSU rRNA gene reveals that the phylogenetically closest relatives of sp. nov. are and . The novel species could be differentiated from the latter two species based on electrophoretic karyotypes. The type strain of sp. nov. is SC5L02 (=CBS 10888 =BCRC 23139), which was isolated from a leaf of Rosenst. in Dasi, Taoyuan, Taiwan.


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