Ulva intestinalis Linnaeus, 1753: 1163 (type locality: "in Mari omni'').
Enteromorpha intestinalis (Linnaeus) Nees, 1820: Index [2].—Dickie, 1877b: 7.— Barton, 1893: 54.— Prain, 1905: 329.— Delf & Michell, 1921: 92.— Biswas, 1926: 31–32, pl. IX: fig. 21.— P. Anand & Magon, 1941: 10.— Biswas, 1943: 112.— Parija & Parija, 1947: 379.— Biswas, 1949a: 73.— Biswas, 1949b: 36.— Zaneveld, 1950: 113.— Chacko, Mahadevan, & R. Ganesan, 1955: 11.— Krishna Pillai, 1956: 5.— Zaneveld, 1956: 11–12.— Krishna Pillai, 1957a: tables I–IV, fig. 17.— Krishna Pillai, 1957b: tables 1–8, fig. 1.— Zaneveld, 1959: 97–98, fig. 7.— Durairatnam, 1961a: 18, pl. I: figs. 4–6.— T. Rao & V. Rao, 1963: 116.— E. Lewis, 1967: 303.— Sreekumaran et al., 1969: tables 4, 5.— Sreenivasa Rao & Kale, 1969: 273.— V. Krishnamurthy & H. Joshi, 1970: 3.— Nizamuddin & Gessner, 1970: 3.— Sreenivasa Rao & Kale, 1970: 72.— H. Joshi & V. Krishnamurthy, 1972: 124, figs. 1A, 2A,P.— Patnaik, 1973: 62.— Egerod, 1974: 134, fig. 5.— Islam, 1974a: 14, pl. 4: figs. 1–6 (var. intestinalis).— Islam, 1974b: 84 (var. intestinalis).— K.S. Patel, 1975: 25–26, table 1.— Velasquez & Lewmanomont, 1975: 3.— Islam, 1976: 10–11 (var. intestinalis).— Zingde et al., 1976: 215.— Saifullah & Nizamuddin, 1977: 529–530, figs. 24–25, pl. III:C.— Sivalingam, 1977b: 206.— Agadi & Untawale, 1978: 63, table 2.— Balani, 1978: 104.— Bukhari & Untawale, 1978: 71.— Chauhan & Mairh, 1978: 33.— Gogate, Shah, & Unni, 1978: 30, 31, table 1.— Patnaik, 1979: 58.— Salam & Khan, 1979a: 43.— Sreenivasa Rao, Parekh, & Parekh, 1979: 47.— Dhargalkar, Jagtap, & Untawale, 1980: table 2.— Sivalingam, 1980b: table 1.— Day, 1981: 96.— Naqvi et al., 1981: table I.— Ramachandran et al., 1981: 317–319, fig. (s.n.), table I.— Sreenivasa Rao & Parekh, 1981: 577, 578, 579, 580, figs. 1, 2, tables I, V.— K. Krishnamurthy & Kannan, 1982: 34.— Nair, Sobha, & Arunachalam, 1982: 266 (table 1).— Ohno & Mairh, 1982: table 1.— Sreenivasa Rao et al., 1982: table 1.— Agadi, 1983: 29.— K. Parekh et al., 1983: 23, 24, tables 1–3.— Teo & Wee, 1983: 31, fig. 17.— Untawale, Dhargalkar, & Agadi, 1983: [8].— Kesava Rao & Indusekhar, 1984: table 1.— K. Parekh, H. Parekh, & P. Rao, 1984a: 45–46, table 1.— K. Parekh, H. Parekh, & P. Rao, 1984b: 216, 218, 219.— Agadi, 1985: 37.— Jagtap, 1985a: 46, 49.— K. Parekh et al., 1985: 175–176, fig. 2.— Phang, 1985: color photo on p. 18.— R. Qasim & Barkati, 1985: table 2.— Sobha & Nair, 1985: 20.— P. Subba Rao et al., 1985: 31.— A. Subramanian & Pragatheeswaran, 1985: table 2.— D. Jones, 1986: 25–26, pl. 2.— Kesava Rao, 1986: table I.— Kesava Rao & Indusekhar, 1986: table I.— Nair et al., 1986: 738.— Padmakumar & Ayyakkannu, 1986: 188, table 1.— Usmanghani & Shameel, 1986: table 1.— Chennubhotla, Kaliaperumal, & Kalimuthu, 1987a: 100–101.— Kesava Rao & Indusekhar, 1987a: table 2.— Kesava Rao & Indusekhar, 1987b: 3.— R. Parekh & Chauhan, 1987: table 1.— Shameel, 1987a: 512.— Shameel & Afaq Hussain, 1987: 293.— Banaimoon, 1988a: 216.— Kendrick, Walker, & McComb, 1988: 205, table 1.— Seagrief, 1988: 38, fig. 5:1.— Tewari & H. Joshi, 1988: 394, 395, tables VIII, XI.— Al-Hasan & W. Jones, 1989: 292, pl. 1: fig. 4.— Basson, 1989: 271.— Basson, Mohamed, & Arora, 1989: 28, fig. 1.— Kesava Rao & Indusekhar, 1989c: 38, table 1.— Pant & Untawale, 1989: tables 4, 6.— Untawale, Reddy, & Deshmukhe, 1989: table 1.— J. Wright, 1989: 187.— Huisman et al., 1990: 91.— Kendrick, Huisman, & Walker, 1990: 49.— Jayasankar & Kaliaperumal, 1991: 23.— Lavery, Lukatelich, & McComb, 1991: 5.— Phang & Wee, 1991: 56.— Rajendran et al., 1991: tables 2–4.— Sofiamma et al., 1991: tables I–IV.— Sridharan et al., 1991: 202.— Subramonia Thangam & Kathiresan, 1991: 84.— Abbas, Basson, & Gamal El-Din, 1992: 63.— Adhikary & Sahu, 1992: 202.— S. Balakrishnan, Ravichandran, & Kaliaperumal, 1992: 65.— Basson, 1992: 219.— Basson & Abbas, 1992: 60.— Bhakuni et al., 1992: 514.— Kalimuthu, Kaliaperumal, & Ramalingam, 1992: 121.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 26 (table 1).— Kamat et al., 1992: table I.— Shameel & J. Tanaka, 1992: 18.— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 45.— Zvyagintsev & Ivin, 1992: tables 3, 4.— Suresh et al., 1993: 113.— Branch et al., 1994: 308, pl. 146.2.— Ormond & Banaimoon, 1994: 116.
INDIAN OCEAN DISTRIBUTION: Andaman Islands, Australia, Bahrain, Bangladesh, India, Indonesia (Java), Kuwait, Laccadive Islands, Malaysia, Pakistan, Rodriguez Island, Seychelles, Singapore, South Africa, Sri Lanka, Yemen.
Note: Either Link (1820: 5) or Greville (1830: lxvi, 179) is traditionally accredited with first having made the combination Enteromorpha intestinalis, but in fact it was Nees who did so in the index that he prepared for the collective work in which Link's article was published.