Hydrocharitaceae

Najadaceae

Blyxa Noronha ex Thouars

Last edited by Pieter B. Pelser, 30 November 2020
  1. Blyxa aubertii Rich., Mém. Cl. Sci. Math. Inst. Natl. France 1811(2) (1814) 19. Distribution: Africa, Asia, Australia, Madagascar, Philippines. Native.
  2. Blyxa echinosperma (C.B.Clarke) Hook.f., Fl. Brit. Ind. 5 (1888) 661; Hartog, Fl. Males. ser. 1, 5 (1957) 391; ≡ Blyxa aubertii var. echinosperma (C.B.Clarke) C.D.K.Cook & Lüönd, Aquat. Bot. 15 (1983) 14; Steenis & W.J.de Wilde, Addenda, corrigenda & emendanda, Fl. Males. ser. 1, 10 (1989) 717; ≡ Hydrotrophus echinospermus C.B.Clarke, J. Linn. Soc., Bot. 14 (1873) 8. = Blyxa octandra auct. non (Roxb.) Planch. ex Thwaites; Merr., PJS 7 c (1912) Bot. 73; EPFP 1 (1922) 27. Distribution: Asia, Australia, Philippines. LUZON, PALAWAN. Native.
  3. Blyxa novoguineensis Hartog, Act. Bot. Neerl. 6 (1957) 47; Fl. Males. ser. 1, 5 (1957) 393; Addenda, corrigenda et emendanda, Fl. Males. ser. 1, 6 (1972) 952. Distribution: New Guinea, Philippines. LUZON: Benguet. Notes: Based on sterile specimen collected by Jacobs from Mt Tabayoc. Native.

Possibly present

  1. Blyxa octandra (Roxb.) Planch. ex Thwaites, Enum. Pl. Zeyl. (1864) 332; ≡ Vallisneria octandra Roxb., Pl. Coromandel 2 (1802) 34. Distribution: Andaman Isls, Australia, Bangladesh, China, India, Myanmar, New Guinea, Sri Lanka, Vietnam. Notes: Reported for the Philippines by Moody (1989) as a weed in rice, but no specimens cited.

Elodea Michx. (Not native)

Last edited by Pieter B. Pelser, 4 November 2017
  1. Elodea nuttallii (Planch.) H.St.John, Rhodora 22 (1920) 29; ≡ Anacharis nuttallii Planch., Ann. Sci. Nat., Bot., sér. 3, 11 (1849) 74. Distribution: N America. Notes: Naturalized in Philippines? Naturalized.

Enhalus Rich.

Last edited by Pieter B. Pelser, 4 November 2017
  1. Enhalus acoroides (L.f.) Royle, Ill. (1840) 453; Steudel, Nomencl. ed. 2, 1 (1840) 554; Merr., EPFP 1 (1922) 27; Hartog, Fl. Males. ser. 1, 5 (1957) 402; Addenda, corrigenda et emendanda, Fl. Males. ser. 1, 6 (1972) 952; ≡ Stratiotes acoroides L.f., Suppl. Pl. (1782) 268. Distribution: Africa, Andaman Isls, Australia, Bismarck Arch, Borneo, Cambodia, India, Indian Ocean, Java, Lesser Sunda Isls, Madagascar, Malay Peninsula, Middle East, Myanmar, New Caledonia, New Guinea, Nicobar Isls, Pacific Ocean, Philippines, Ryukyu Isls, Solomon Isls, Sri Lanka, Sulawesi, Sumatra, Thailand, Vietnam. Native.

Halophila Thouars

Last edited by Pieter B. Pelser, 11 July 2020
  1. Halophila beccarii Asch., Nuov. Giorn. Bot. Ital. 3 (1871) 302; Merr., Fl. Manila (1912) 70; EPFP 1 (1922) 25; Hartog, Fl. Males. ser. 1, 5 (1957) 411. Distribution: Borneo, Myanmar, Philippines, Sri Lanka, Vietnam. LUZON. Notes: Known from Manila Bay. Native.
  2. Halophila decipiens Ostenf., Botanisk Tidsskrift 24 (1902) 260; Fortes, PJS 142 (2013) 96. Distribution: Africa, America, Australia, Bangladesh, Caribbean, India, Indian Ocean, Java, Moluccas, Myanmar, New Caledonia, Pacific Ocean, Philippines, Ryukyu Isls, Sri Lanka, Taiwan, Vietnam. Native.
  3. Halophila gaudichaudii J.Kuo, Acta Phytotax. Geobot. 57 (2006) 145. Distribution: Africa, Indian Ocean, Pacific Ocean, Philippines. Native.
  4. Halophila major (Zoll.) Miq., Fl. Ned. Ind. 3 (1856) 230; ≡ Lemnopsis major Zoll., Syst. Verz. Ind. Archip. 1 (1854) 75. Distribution: China to Malesia and Pacific Ocean, Philippines. Native.
  5. Halophila minor (Zoll.) Hartog, Fl. Males. ser. 1, 5 (1957) 410. = Halophila ovata auct. non Gaudich.; Merr., Fl. Manila (1912) 70; EPFP 1 (1922) 26. Distribution: Africa, Australia, China, India, Indian Ocean, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, New Caledonia, New Guinea, Pacific Ocean, Philippines, Ryukyu Isls, Solomon Isls, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. Native.
  6. Halophila ovalis (R.Br.) Hook.f., Fl. Tasm. 2 (1860) 45; Merr., EPFP 1 (1922) 26; Hartog, Fl. Males. ser. 1, 5 (1957) 408; ≡ Caulinia ovalis R.Br., Prodr. Fl. Nov. Holland. (1810) 339. Distribution: BANCORAN, CEBU, LUZON: Sorsogon, MINDANAO: Zamboanga, MINDORO, PALAWAN. Native.
    • ssp. ovalis. Distribution: Africa, Australia, Indian Ocean, Japan, Java, Lesser Sunda Isls, Madagascar, Malay Peninsula, Middle East, Moluccas, New Guinea, Pacific Ocean, Philippines, Singapore, Sulawesi. BANCORAN, CEBU, LUZON: Sorsogon (photos), MINDANAO: Zamboanga, MINDORO, PALAWAN. Native.
  7. Halophila spinulosa (R.Br.) Asch., Neumayer Anleit. Wissensch. Beob. (1875) 368; Merr., EPFP 1 (1922) 26; Hartog, Fl. Males. ser. 1, 5 (1957) 412; ≡ Caulinia spinulosa R.Br., Prodr. Fl. Nov. Holland. (1810) 339. Distribution: Australia, Java, Malay Peninsula, New Guinea, Philippines, Singapore. LUZON: Camarines, Manila, MINDANAO, MINDORO. Native.

Hydrilla Rich.

Last edited by Pieter B. Pelser, 4 November 2017
  1. Hydrilla verticillata (L.f.) Royle, Ill. Bot. Himal. (1839) t. 376; Merr., Fl. Manila (1912) 69; EPFP 1 (1922) 26; Hartog, Fl. Males. ser. 1, 5 (1957) 385; ≡ Serpicula verticillata L.f., Suppl. Pl. (1782) 416. Distribution: Afghanistan, Africa, Australia, Bangladesh, Borneo, Cambodia, China, Continental Asia, Europe, India, Japan, Java, Korea, Lesser Sunda Isls, Malay Peninsula, Middle East, Moluccas, Myanmar, Nepal, New Guinea, Pakistan, Philippines, Ryukyu Isls, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. Native.

Hydrocharis L.

Last edited by Pieter B. Pelser, 4 November 2017
  1. Hydrocharis dubia (Blume) Backer, Handb. Fl. Java 1 (1925) 64; Hartog, Fl. Males. ser. 1, 5 (1957) 394; ≡ Pontederia dubia Blume, Enum. Pl. Javae 1 (1827) 33. = Boottia renifolia Merr., PJS 4 c (1909) Bot. 247; Merr., EPFP 1 (1922) 27. Distribution: Bangladesh, China, India, Japan, Java, Korea, Myanmar, New Guinea, Philippines, Ryukyu Isls, Sulawesi, Taiwan, Thailand, Vietnam. LUZON: Camarines Sur. Native.

Najas L.

Last edited by Pieter B. Pelser, 4 November 2017
  1. Najas graminea Delile, Fl. Aegypt. (1812) 282; Merr., Fl. Manila (1912) 68; EPFP 1 (1922) 24. Native.
    • var. graminea. Distribution: Africa to New Caledonia, Philippines. Native.
  2. Najas indica (Willd.) Cham., Linnaea 4 (1829) 501; ≡ Caulinia indica Willd., Mém. Acad. Roy. Sci. Hist. (Berlin) 1798 (1801) 89. = Najas palustris Blanco, Fl. Filip. (1837) 660; Merr., EPFP 1 (1922) 25. Distribution: Philippines, Tropical & Subtropical Asia. Native.
  3. Najas malesiana W.J.de Wilde, Acta Bot. Neerl. 10 (1961) 168. Distribution: India to Malesia, Philippines. Native.
  4. Najas minor All., Auct. Syn. Meth. Stirp. Hort. Regii Taur. (1773) 3. Distribution: Africa, Eurasia, Philippines. Native.
  5. Najas tenuifolia R.Br., Prodr. Fl. Nov. Holl. (1810) 345. Native.
    • ssp. pseudograminea (W.Koch) W.J.de Wilde, Fl. Males. 6 (1962) 168; ≡ Najas pseudograminea W.Koch, Ber. Schweiz. Bot. Ges. 44 (1935) 339. Native.
      • var. pseudograminea. Distribution: Australia, Hong Kong, Philippines, Thailand. Native.

Ottelia Pers.

Last edited by Pieter B. Pelser, 4 November 2017
  1. Ottelia alismoides (L.) Pers., Syn. 1 (1805) 400; Merr., Fl. Manila (1912) 70; EPFP 1 (1922) 27; Hartog, Fl. Males. ser. 1, 5 (1957) 398; ≡ Stratiotes alismoides L., Sp. Pl. (1753) 535. = Damasonium lancifolium C.Presl, Reliq. Haenk. 1 (1825) 89. Distribution: Africa, Australia, China, India, Japan, Philippines, Solomon Isls. Notes: Widely distributed from NE Africa and common in SE Asia, extending from India eastwards to China and Japan, southward throughout Malesia to tropical Australia and the Solomon Isls. Native.

Thalassia Banks ex K.D.Koenig

Last edited by Pieter B. Pelser, 4 November 2017
  1. Thalassia hemprichii (Ehrenb. ex Solms) Asch. in Engl. & Prantl, Nat. Pflanzenfam. 21 (1889) 254; Merr., Fl. Manila (1912) 71; EPFP 1 (1922) 27; Hartog, Fl. Males. ser. 1, 5 (1957) 406; ≡ Schizotheca hemprichii Ehrenb. ex Solms, Abh. Königl. Akad. Wiss. Berlin 1 (1832) 429. Distribution: Africa, Andaman Isls, Australia, Bismarck Arch, Borneo, India, Indian Ocean, Java, Lesser Sunda Isls, Malay Peninsula, Middle East, Moluccas, Myanmar, New Caledonia, Nicobar Isls, Pacific Ocean, Philippines, Ryukyu Isls, Solomon Isls, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. Native.

Vallisneria L.

Last edited by Pieter B. Pelser, 10 April 2022
  1. Vallisneria nana R.Br., Prodr. Fl. Nov. Holland (1810) 345. = Vallisneria natans auct. non (Lour.) H.Hara; Steenis, Addenda, Corrigenda et emendanda, Fl. Males. ser. 1, 7 (1974) 828. = ?Vallisneria gigantea Graebn. in Engl., Bot. Jahrb. 49 (1912) 68; Merr., Fl. Manila (1912) 69; EPFP 1 (1922) 26; Hartog, Fl. Males. ser. 1, 5 (1957) 388; Les et al., Syst. Bot. 33 (2008) 62; Type: from New Guinea. Distribution: Australia, Cambodia, New Caledonia, New Guinea, Philippines. LUZON: Laguna, MINDORO. Notes: Note by P.B. Pelser (10-Apr-2022): Distribution as per Plants of the World Online, but there appears to be some confusion around the delimitation of Vallisneria species, including in the Philippines. See also the use of the names Vallisneria spiralis L. var. denseserrulata Makino and Vallisneria americana Michx. var. americana for Philippine plants by Lowden (1982). Native.

References