New species, Coelogyne sondangii (Orchidaceae), and a new national record, C. moi, in Vietnam Author Vo, Doan Trung 0000-0002-4080-6450 Faculty of Medicine, Van Lang University, 69 / 68 Dang Thuy Tram Street, 13 Ward, Binh Thanh district, Ho Chi Minh city, Vietnam & trung. vd @ vlu. edu. vn; https: // orcid. org / 0000 - 0002 - 4080 - 6450 trung.vd@vlu.edu.vn Author Averyanov, Leonid V. 0000-0001-8031-2925 Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov Street 2, 197376, St. Petersburg, Russia & av _ leonid @ mail. ru; https: // orcid. org / 0000 - 0001 - 8031 - 2925 av_leonid@mail.ru Author Maisak, Tatiana V. 0000-0001-5919-6755 Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov Street 2, 197376, St. Petersburg, Russia & tmaisak @ mail. ru; https: // orcid. org / 0000 - 0001 - 5919 - 6755 tmaisak@mail.ru Author Bui, Van Huong 0000-0002-6219-1055 Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam & bvhuong 90 @ gmail. com; https: // orcid. org / 0000 - 0002 - 6219 - 1055 bvhuong90@gmail.com Author Nguyen, Van Canh 0000-0001-9578-0342 Institute of Applied Technology, Thu Dau Mot University, No. 6 Tran Van On Street, Phu Hoa Ward, Thu Dau Mot City, Binh Duong Province, Vietnam & nguyenvancanh @ tdmu. edu. vn; https: // orcid. org / 0000 - 0001 - 9578 - 0342 nguyenvancanh@tdmu.edu.vn Author Dang, Minh Quan 0000-0002-0613-8532 School of Education, Can Tho University, 3 / 2 Street, Ninh Kieu District, Can Tho City, Vietnam & dmquan @ ctu. edu. vn; https: // orcid. org / 0000 - 0002 - 0613 - 8532 dmquan@ctu.edu.vn Author Nguyen, Quoc Bao 0000-0001-8172-8578 Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam & quocbao. nguyen 98 @ gmail. com; https: // orcid. org / 0000 - 0001 - 8172 - 8578 quocbao.nguyen98@gmail.com Author Truong, Ba Vuong 0000-0003-3452-8455 Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam & bavuong 2019 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 3452 - 8455 bavuong2019@yahoo.com text Phytotaxa 2022 2022-08-23 559 2 200 206 journal article 132958 10.11646/phytotaxa.559.2.9 9a9f8474-be9f-454d-8c01-1a48ed7727d5 1179-3163 7021643 Coelogyne moi (M.Z.Huang, J.M.Yin & G.S.Yang) M.W.Chase & Schuit. (2021: 120) ( Fig. 2 ) ≡ Panisea moi Huang et al. (2012: 13) . Type :— CHINA . Hainan : Wuzhishan City , Mount Wuzhi , tree trunk near crest of hill, 1550 m , 16 March 2011 , Huang 747938 ( type IBSC ) . Habitat and phenology :—Epiphyte. Flowers in January–March. Distribution :— Vietnam ( Kon Tum Province ) and China ( Hainan ). Proposed conservation status :—According to presently available data, the species is rare and still found only in one location in Kon Tum Province . More field studies are necessary for its conservation assessment. In view of the lack of current data and in accordance with IUCN criteria (IUCN, 2019), the species should be assessed as nationally “data deficient”: (DD). Notes :— Panisea moi resembles P. vinhii , but differs in subentire lip having keels running from near the lip base to the middle of the disk (vs. lip distinctly 3-lobed, with clawed mesochile and keels presented only on epichile). Species examined :— VIETNAM , Kon Tum Province , Kon Plong District, 23 January 2022 , epiphyte on small branches, Truong Ba Vuong BV 1354 ( VNM 00069953, photos LE 01123077 https://en.herbariumle.ru/?t=occ&id=132446, LE 01123091 https://en.herbariumle.ru/?t=occ&id=134262), BV 1355 ( VNM 00069952). VIETNAM , Kon Tum Province , herbarium specimen prepared from wild collected plant cultivated in private collection originated from Tu Mo Rong District, 23 January 2022 , Truong Ba Vuong, BV 1356 ( VNM 00069954).