basis of record
Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online at http://helcom.fi/Lists/Publications/BSEP95.pdf [details] Available for editors 
additional source
Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors 
additional source
Broady, P.A. (1979). The terrestrial algae of Signy Island, South Orkney Islands. <em>British Antarctic Survey Report.</em> 98:134 pp. [details] Available for editors 
additional source
Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details]
ecology source
Starmach, K. (1995). Freshwater algae of the Thala Hills oasis (Enderby Land, East Antarctic). <em>Polish Polar Research.</em> 16(3/4): 113-148. [details] Available for editors 
From regional or thematic species database
Environment
Subaerial sites, Signy Island (Broady, 1979)
Freshwater pool, South Orkney Islands (Fritsch, 1912)
Freshwater, Iles Kerguelen (Bourrelly and Manguin, 1954)
[details]