Name: Old World adderstongue
Distribution: Zanzibar; Madagascar; Comores; Mauritius; La Réunion; Seychelles; China (Hainan, Yunnan); Japan; Ryukyu Isl.; Bonin Isl. (Chichijima, Hahajima); Taiwan; India (Arunachal Pradesh, Assam State, Kerala, Sikkim); Sri Lanka; Bangladesh; Nicobar Isl.; Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Singapore; Sumatra; Borneo (Mt. Kinabalu, Sabah); Sulawesi; Palawan; Philippines; Java; Lesser Sunda Isl. (Bali, Timor); Moluccas (Seram); Christmas Isl. [Austr.]; New Guinea (Irian Jaya, Papua New Guinea, Louisiade Arch.: Misima Isl., Sudest Isl., Rossel Isl., Woodlark Isl.); Bismarck Arch. (Admiralty Isl., New Ireland); Solomon Isl. (Bougainville, Guadalcanal, Santa Ysabel, Kolombangara, Makira, Mono, New Georgia, Rendova, Vangunu, Rennell, Tetepare); Australia (E-Queensland, New South Wales); Lord Howe Isl.; New Caledonia (incl. Loyalty Isl.); Santa Cruz Isl.; Vanuatu; Rotuma Isl.; Tonga (Late Isl., ´Eua); Niue; Fiji (Viti Levu, Vanua Levu, Kadavu, Ovalau, Taveuni); Wallis & Futuna (Alofi, Futuna, ´Uvea); American Samoa (Tutuila, Ofu, Olosega, Ta´u); [Western] Samoa (Savai´i, Aleipata Isl.); Cook Isl. (Rarotonga, Mangaia, Atiu, Mauke, Mitiaro); Marquesas Isl. (Nuku Hiva, Ua Huka, Ua Pou, Hiva Oa, Tahuata, Fatu Hiva); Society Isl. (Moorea, Tahiti); Austral Isl. (Tubuai, Rimatara, Rurutu, Raivavae); Palau (Babeldaob, Malakal, Angaur); Fed. States of Micronesia (Yap, Truk, Dublon, Pohnpei, Kosrae); Marshall Isl.. (Namorik, Mili, Jaluit, Ebon); Hawaii (Maui, Hawaii Isl., Oahu, Molokai); USA [I] (Florida [I])
25 TAN 29 COM MAU MDG REU SEY 36 CHI 38 JAP NNS OGA TAI 40 BAN IND SRL 41 CBD LAO NCB THA VIE 42 BOR JAW LSI MLY MOL NWG PHI PLW SNG SUL SUM XMS 43 BIS SOL 50 AUS LHI 60 ASA FIJ NUE NWC ROT SAM SCZ TON VAN WAL 61 AUI COO MRQ SCI 62 MIC PLU 63 HAW 78 usa
Conservation Status: IUCN NT for India (Fraser-Jenkins 2012)
Synonyms: hidden
= Ophioderma pendula f. ramosa Nakai
= Ophioglossum furcatum J.Sm.; Ferns Brit. For.: 272 (1866), nom. nud.
= Ophioglossum moultonii Copel.; J. Straits Branch Roy. Asiat. Soc. 63: 72 (1912)
= Ophioglossum pendulum L.; Sp. Pl. ed. II, 2: 1518 (1763)
