Compsopogon caeruleus (Balbis ex C.Agardh) Montagne

Ganesan, E. K., West, John A. & Jr, Orlando Necchi, 2018, A catalogue and bibliography of non-marine (freshwater and estuarine) Rhodophyta (red algae) of India, Phytotaxa 364 (1), pp. 1-48 : 8-9

Compsopogon caeruleus (Balbis ex C.Agardh) Montagne

Brühl & Biswas 1923, p. 2, Pl. 8, figs 1–4, Pl. 9, figs 5–9, Pl. 10, figs 10–23, Pl. 11, figs 24–28; Biswas 1949, p. 102, Pl. 9, figs 98 a, b; Misra & Dey 1959, p.123, figs 1–4; Pillay et al. 1962, p. 420; Krishnamurthy 1962a, p.215, Pl. 1, figs 1–3; Krishnamurthy 1962b, p. 99, figs 1–3; Das 1963, p. 242; Rao 1966, p. 91; Vaidya 1968, p. 144; Patel & Francis 1970, p. 47, figs 1–17; Shaikh & Vaidya 1972, p. 65; Pandey et al. 1973, p. 800, figs 1–3; Pandey 1978, p. 6; Pandey, 1983, 241; Pandey & Chaturvedi 1979, p. 42; Shyam & Sarma 1980, p. 747. Pl. 1–5. (“seems to resemble C. coeruleus ”); Anand 1980, p. 222; Khan 1985, p. 53, fig. 17; Singh & Pandey 1986, p. 84, figs 1–8. (treated as a new “form” of C. aeruginosus , but without giving a new name); Pal et al. 1988, p.51; Santra & Pal 1988, p.38, Pl. V, figs 38, 39; Desikachary et al. 1990, Part I, p, 27, fig. 7 F–J; Part II A, p. 24, fig. 3 K; Kant & Vora 1999, p. 63; Sen & Naskar 2003, p. 184, Pl. XXII, figs 136a, 136b; Pl. XXVI; Gupta & Ambrish 2004, p. 135, figs 7, 8; Gupta 2005, p. 210, Pl. 55, fig. 1 a–c; Kathiresan & Quasim 2005, p. 57; John & Francis 2007, p. 85; Ratha et al. 2007, p. 87; Rath & Adhikary 2006, p.56, fig. 22; Chakraborty et al. 2010, p. 222. Pl.10, figs a – c; Satpati et al. 2012, p. 49, Pl. 1, figs K–L; Suseela & Toppo 2015, p.137, Pl. 2, figs 7–10 & 14.

Distribution in India: Gujarat (from a pool near a river at Lunawada, Dec; stream at Wheri pool of Lunawada, Panchamahal district. Sep. & early Dec.); Jammu & Kashmir (Jammu, Gadigarh stream, about 12 km from Jammu city. Dec. & Feb); Karnataka (garden pond, Bangalore); Kerala (Idukki District, Thodupuzha taluk; stream at Walayar. Dec.; Veli Lake near Trivandrum); Madhya Pradesh (Bee-fall or B-fall, Pachmarthi); Odisha (formerly Orissa) (freshwater, channel of an estuary, Chilika Lake, and oligotrophic pond, Dec. to Apr., Kaluni Channel, estuarine, epilithic and on cement poles of bridge at estuary, Jan., Cuttack). Rajasthan (stream at Beawar. Dec.); Tamil Nadu (garden pond, Chennai, Dec.); Uttarakhand (Reh River at Dehra Dun District at Kaunwala. Nov. to Dec.); Uttar Pradesh (Nakatia river, near Bareilly town attached to stones along with Thorea sp. Jan., Mar., Nov.- Dec., Rohilkhand division, Shajhjahanpur district, Khannaut River, Oct.-Nov; Yamuna River at Allahabad, on snails, Hydrilla and Vallisneria . Apr.-Jun.; Gomti River at Sultanpur, Dec; Varanasi (also called earlier Banaras) in permanent stagnant pond on Cladophora glomerata and snails, Jun.-Jul.; Sai River, Lucknow, Mar.); West Bengal (Sursuna; stagnant ponds at Baliganj (also spelt Ballygunge) and nearby areas, Dec.-Feb., Sundarbans delta, South 24 Paraganas, in a marshy lagoon at Longsand; Ramgopalpur, 24 Paraganas on submerged twigs; Baruipur, Kolkata from freshwater; Sundarbans, Morahero Island in marine waters; Sudarbans behris: Taldi, Sisirganj and Diamond Harbour).

Taxonomic synonyms: