Synonyms: Arundinaria kinkiensis; Arundinaria koidzumae; Arundinaria koidzumii; Arundinaria nagashima; Bambusa nagashima (homotypic); Nipponocalamus epitrichus; Nipponocalamus estophyllus; Nipponocalamus kinkiensis; Nipponocalamus koidzumii; Nipponocalamus nagashima (homotypic); Nipponocalamus nakashimae; Nipponocalamus nakashimae var. supraglaber; Nipponocalamus permirus; Nipponocalamus praeteritus; Nipponocalamus pseudolinearis; Nipponocalamus yasuokensis; Pleioblastus dokyoanus; Pleioblastus epitrichus; Pleioblastus estophyllus; Pleioblastus kinkiensis; Pleioblastus koidzumii; Pleioblastus nagashima f. dokyoanus; Pleioblastus nagashima f. yasuokensis; Pleioblastus nagashima var. koidzumii; Pleioblastus nakashimae; Pleioblastus nakashimae var. supraglaber; Pleioblastus permirus; Pleioblastus praeteritus; Pleioblastus pseudolinearis; Pleioblastus yasuokensis; Sasaella koidzumae (homotypic); Sasaella koidzumii (homotypic)