English: The Red List of Vascular Plants of Taiwan, 2017 This report assessed all of the wild vascular plants based on the IUCN (International Union for Conservation of Nature) Red List Categories and Criteria. A total of 5,188 wild plants were included in the candidate assessment list, and 746 of which did not proceed to be evaluated because of being determined as Not Applicable (NA) to regional assessment. e remaining 4,442 species underwent subsequent evaluation. e results showed 27 taxa have been extinct in the wild of Taiwan, including 5 taxa categorized as Extinct in the Wild (EW) and 22 taxa as Regionally Extinct (RE). e three nationally threatened categories include 989 taxa, of which 195 taxa are Critically Endangered (CR), 283 taxa are Endangered (EN) and 511 taxa are Vulnerable (VU). Additionally, 463, 336 and 2,627 taxa belong to Near reatened (NT), Data De cient (DD) and Least Concern (LC), respectively. Nationally threatened and nationally near-threatened wild vascular plants account for 22.3 % and 10.4 % of the totally evaluated taxa, with respectively.