LITERATURE CITED
- Borge , O. 1911 . “Die Süsswasseralgenflora Spitzbergens” . Videnskaps. Skr. I, No. 11
- Ducellier , F. 1918 . “Contribution a l'Étude de la Flore Desmidiologique de la Suisse.” .
- Fritsch , F. E. 1917 . “A First Report on the Freshwater Algae” . Ann. S. Afr. Mus. , ix ( pt. 7 )
- Fritsch , F. E. and Rich , F. 1924 . “Freshwater and Subaerial Algae from Natal” . Trans. Roy. Soc. S. Afr. , xi ( pt. 4 )
- Fritsch , F. E. and Rich , F. 1929 . “Freshwater Algae from Griqualand West” . Trans. Roy. Soc. S. Afr. , xviii ( pt. 1 )
- Fritsch , F. E. and Rich , F. 1937 . “Algae from the Belfast Pan, Transvaal” . Trans. Roy. Soc. S. Afr. , xxv ( pt. 2 )
- Fritsch , F. E. and Stephens , E. 1921 . “Freshwater Algae, mainly from the Transkei Territories” . Trans. Roy. Soc. S. Afr. , ix ( pt. 1 )
- Hodgetts , W. J. 1925 . “Some Freshwater Algae from Stellenbosch” . Trans. Roy. Soc. S. Afr. , xiii ( pt. 1 )
- Huber-Pestalozzi , G. 1930 . “Algen aus dem Knysnawalde” . Zeitschr. für Botanik. , 23 : 443 et seq.
- Hustedt , F. 1911 . “Desmidiaceae et Bacillarieae aus Tirol” . Archiv für Hydrohiol., etc. , vi
- Krieger , W. 1932 . “Die Desmidiaceen der Deutschen Limnologischen Sunda-Expedition” . Archiv für Hydrobiol., Suppl. , xi
- Messikommer , E. 1935 . “Algen aus dem Obertoggenburg” . Jahr. St. Gall. Natur. Gesell
- Nordstedt , O. 1878 . “De Algis aquae dulcis et de Characeis ex insulis Sandvicensibus.” .
- Rich , F. 1932 . “Phytoplankton from South African Pans and Vleis” . Trans. Roy. Soc. S. Afr. , xx ( pt. 2 )
- Rich , F. 1936 . “Algae from a Pan in S. Rhodesia” . Trans. Roy. Soc. S. Afr. , xxiii ( pt. 2 )
- Taylor , W. R. 1934 . “The Freshwater Algae of Newfoundland” . Michigan Acad. of Sci. , xix
- West , W. and West , G. S. 1902 . “A Contribution to the Freshwater Algae of Ceylon” . Trans. Linn. Soc. (Bot.) , vi ( pt. 3 )
- West , W. and West , G. S. 1904 . 1908 1911. “A Monograph of the British Desmidiaceae”, vole. i, iii, iv
- West , G. S. and Carter , N. 1923 . Ibid. , v