Daltonia hookeriana, a new name for Daltonia heterophylla (Wilson ex Mitt.) B. C. Ho & L. Pokorny (Daltoniaceae, Bryophyta) Author Deshmukh, Umakant Bhoopati 0000-0002-7489-7645 Department of Botany, Janata Mahavidyalaya, Chandrapur - 442 401, Maharashtra, India. & deshmukhumakant 979 @ gmail. com; https: // orcid. org / 0000 - 0002 - 7489 - 7645 deshmukhumakant979@gmail.com Author Majumdar, Shuvadeep 0000-0002-4112-1330 Department of Botany, Parimal Mitra Smriti Mahavidyalaya, Mal, Jalpaiguri - 735 221, West Bengal, India. & shuvadeep. majumdar @ gmail. com; https: // orcid. org / 0000 - 0002 - 4112 - 1330 shuvadeep.majumdar@gmail.com Author Ho, Boon-Chuan 0000-0003-0530-775X Herbarium, Singapore Botanic Gardens, National Parks Board, 1 Cluny Road, Singapore 259 569, Republic of Singapore. & ho _ boon _ chuan @ nparks. gov. sg; https: // orcid. org / 0000 - 0003 - 0530 - 775 X ho_boon_chuan@nparks.gov.sg text Phytotaxa 2022 2022-03-03 538 1 84 86 journal article 20290 10.11646/phytotaxa.538.1.8 6fcc6e54-2ba8-49e5-a159-b31519894263 1179-3163 6332024 Daltonia hookeriana U.B.Deshmukh, S.Majumdar & B.C.Ho nom. nov. Basionym: Mniadelphus heterophyllus Wilson ex Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1(2): 144. 1859 ( Mitten 1859 ). ≡ Distichophyllum heterophyllum (Wilson ex Mitt.) Paris, Actes Soc. Linn. Bordeaux 49(2): 65. 1895 ( Paris 1895 ). ≡ Daltonia heterophylla (Wilson ex Mitt.) B.C.Ho & L.Pokorny, Bot. J. Linn. Soc. 170(2): 172. 2012, nom. illeg. , non Daltonia heterophylla (Brid.) Arn., Disp. Méth. Mousses 55 ( Arnott, 1825 ). Type:— NEPAL , Nangli [‘Sikkim’], 10,000 ft. , J.D. Hooker 690 ( holotype : NY! [barcode 1185189]; isotype: L! [barcode 0835784]). [Details and discussion on the type are provided in Ho et al . (2012: 172) ; duplicate in BM excluded] Etymology: Named after the type collector Sir Joseph Dalton Hooker (1817–1911), a British botanist and explorer, who served as the second director of the Royal Botanical Gardens, Kew, succeeding his father, William Jackson Hooker. Distribution: Nepal ( type ) and China ( Yunnan : D.G. Long 33796 (E!) [sample used for analysis in Ho et al. 2012 )]. Sikkim is excluded, see label of the type ( Fig. 1 ) and discussion in Ho et al. (2012: 172)