{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T14:26:51Z","timestamp":1780324011773,"version":"3.54.1"},"reference-count":24,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PK"],"abstract":"<jats:p>\n                    A new fern species,\n                    <jats:italic>Cyrtomium lacrimipinnum<\/jats:italic>\n                    (Dryopteridaceae), is described and illustrated from limestone ridges of Phong Nha\u2013Ke Bang National Park, central Vietnam. It is most similar to\n                    <jats:italic>C. pachyphyllum<\/jats:italic>\n                    in having lateral pinnae with deeply cordate bases but is distinguished by its pinnae with acute and attenuate apices (vs. obtuse) and the presence of black or dark brown microscales on both surfaces of the pinnae (vs. confined to the abaxial surface). Spore counts of 64 per sporangium suggest a sexual reproductive mode.\n                  <\/jats:p>","DOI":"10.3897\/phytokeys.275.183837","type":"journal-article","created":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T13:37:46Z","timestamp":1780321066000},"page":"177-189","source":"Crossref","is-referenced-by-count":0,"title":["Cyrtomium lacrimipinnum (Dryopteridaceae), a new sexually reproducing fern from Phong Nha\u2013Ke Bang National Park, Vietnam"],"prefix":"10.3897","volume":"275","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-4985-9340","authenticated-orcid":true,"given":"Katsuhiro","family":"Yoneoka","sequence":"first","affiliation":[{"name":"Center for Frontier Research, National Institute of Genetics, Mishima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9397-2831","authenticated-orcid":true,"given":"Tao","family":"Fujiwara","sequence":"additional","affiliation":[{"name":"Makino Herbarium, Tokyo Metropolitan University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8681-4141","authenticated-orcid":true,"given":"Van-Son","family":"Dang","sequence":"additional","affiliation":[{"name":"Institute of Life Sciences, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quoc Trong","family":"Pham","sequence":"additional","affiliation":[{"name":"Institute of Life Sciences, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8563-1773","authenticated-orcid":true,"given":"Phetlasy","family":"Souladeth","sequence":"additional","affiliation":[{"name":"Faculty of Forest Science, National University of Laos, Vientiane, Laos"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anousone","family":"Sengthong","sequence":"additional","affiliation":[{"name":"Faculty of Forest Science, National University of Laos, Vientiane, Laos"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-4996-1109","authenticated-orcid":true,"given":"Riko","family":"Masuda","sequence":"additional","affiliation":[{"name":"Department of Botany, Graduate School of Science, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5487-6652","authenticated-orcid":true,"given":"Takenori","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Rural Regeneration Research Center, Yamagata University, Yamagata, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8703-5967","authenticated-orcid":true,"given":"Nobuyuki","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Botany, National Museum of Nature and Science, Tsukuba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1974-7329","authenticated-orcid":true,"given":"Shuichiro","family":"Tagane","sequence":"additional","affiliation":[{"name":"The Kagoshima University Museum, Kagoshima University, Kagoshima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2258","published-online":{"date-parts":[[2026,6,1]]},"reference":[{"key":"183837_B1","doi-asserted-by":"publisher","DOI":"10.11646\/phytotaxa.694.1.4"},{"key":"183837_B2","unstructured":"Doyle JJ, Doyle JL (1987) A rapid DNA isolation procedure for small quantities of fresh leaf tissue. 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Faculty of Forest Science, National University of Laos, Vientiane, Laos & Kagoshima University Museum, Kagoshima University, Kagoshima, Japan. https:\/\/www.nagaofoundation.or.jp\/comprehensive\/documents\/250805epublication_PlantsOfNKNPA.pdf [accessed 13 October 2025]"},{"key":"183837_B18","doi-asserted-by":"publisher","DOI":"10.1007\/bf00037152"},{"key":"183837_B19","doi-asserted-by":"publisher","DOI":"10.51033\/jjapbot.id0316"},{"key":"183837_B20","unstructured":"Thiers B (2025 [continuously updated]) Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Garden\u2019s Virtual Herbarium. http:\/\/sweetgum.nybg.org\/science\/ih\/ [accessed 18 December 2025]"},{"key":"183837_B21","doi-asserted-by":"publisher","DOI":"10.32942\/X2P62N"},{"key":"183837_B22","doi-asserted-by":"publisher","DOI":"10.18942\/apg.202217"},{"key":"183837_B23","unstructured":"Zhang L-B, Barrington DS (2013) Cyrtomium C. Presl. 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