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As part of an ongoing project promoted by the Korea National Arboretum, aimed at tracing the original materials used to describe vascular plant taxa in Korea, we detected problems with the typification of Neoscirpus dioicus Y.N.Lee & Y.C.Oh (2006b: 25) and some nomenclatural issues related to that name.
Citations
The article provides information on type specimens of 33 species (94 sheets) of vascular plants, kept in the herbarium of the National Institute of Biological Resources (KB) of the Republic of Korea. Most of the type specimens in KB were donated by the Herbaria of Ajou University (AJOU), Chonbuk National University (JNU), Chungbuk National University (CBU), Hallym University (HHU), Korea Plant Research Institute (KPRI), Seoul National University (SNU), and others in recent years. For all specimens, the type category is indicated. There were 15 sheets for holotypes, 57 sheets for isotypes, and 22 sheets for paratypes. There were seven species of Pteridophytes, 22 species of Dicotyledons, and four species of Monocotyledons. The most represented genera in the 33 species are Corydalis (seven species) and Isoetes (four species). The type specimens examined in this article belong to the taxa described by Korean botanists, Byoung-Un Oh, Byoung-Yoon Lee, Byung-Yun Sun, Chong-Wook Park, Hong-Keun Choi, Young-Dong Kim, and others.
A replacement name Neoscirpus dioicus Y.N.Lee & Y.C.Oh (2006b: 25) was published for the illegitimate Scripus dioicus Y.N.Lee & Y.C.Oh (2006a: 614), a name that applies to an endemic sedge occurring in limestone areas of the Gangwon-do Province, Republic of Korea (Park et al. 2016, Chung et al. 2017). According to recent molecular phylogenetic studies, this species should be transferred to the genus Trichophorum Persoon (1805: 69) (e.g., Muasya et al. 2009, Jung & Choi 2010b, 2011a, 2011b). Recently, by rediscovering type materials of S. dioicus at Korea National Arboretum (KH; herbarium acronyms according to Thiers 2019+), one of them has been designated as a lectotype (Son et al. 2019), and the nomenclatural issues related to that name seems to be resolved.