Actinotaenium phymatosporum var. crassulum (Cholnoky) Levanets & Janse van Vuuren, 2024

Levanets, Anatoliy & Unit, Sanet Janse van Vuuren, 2024, Taxonomy and nomenclature of some Penium (Peniaceae, Zygnematophyceae) taxa from South Africa and Mozambique, Notulae Algarum 315, pp. 1-2 : 2

Actinotaenium phymatosporum var. crassulum (Cholnoky) Levanets & Janse van Vuuren , comb. nov.

Basionym: Penium phymatosporum var. crassulum Cholnoky, Hydrobiologia 7: 205, fig. 160, 1955.

Type locality: South Africa, Rayton-vlei (near the town of Rayton, about 30 km east of Pretoria), a depression in the small drainage ditch of spring [shallow side spring, very slow flowing, not dirty] (probably also a spring itself), pH 5,9, temperature of the water 19.5-20° C, June [1955?] .

Registration: http://phycobank.org/104291

Note: In our opinion this variety should be included in Actinotaenium phymatosporum (Nordstedt) Kouwets & Coesel to which it is morphologically related.

Bando, T. (1988). Haplotaenium, a new genus separated from Pleurotaenium (Desmidiaceae, Chlorophyta). Journal of Japanese Botany 63 (5): 169-178, 4 figures.

Cholnoky, B.J. (1952). Beiträge zur Kenntnis der Algenflora von Portugiesisch-Ost-Afrika (Moçambique). I. Boletim da Sociedade Portuguesa de Ciências Naturais, ser. 2 4 (1): 89-135, 4 pls.

Cholnoky, B.J. (1955). Hydrobiologische Untersuchungen in Transvaal. I. Vergeleichung der herbstlichen Algengemeinschaften in Rayton-vlei und Leeufontein. Hydrobiologia 7: 137-209, 172 figs.

Fritsch, F.E. & Stephens, E. (1921). Contributions to our knowledge of freshwater algae of Africa. 3. Freshwater Algae (exclusive of Diatoms), mainly from the Transkei Territories, Cape Colony. Transactions of the Royal Society of South Africa 9 (1): 1-71.

Kouwets, F.A.C. & Coesel, P.F.M. (1984). Taxonomic revision of the Conjugatophycean family Peniaceae on the basis of cell wall ultrastructure. Journal of Phycology 20 (4): 555-562, 23 figs.

Teiling, E. (1954). Actinotaenium, genus Desmidiacearum resuscitatum. Botanisk Notiser 4: 376- 426.

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West, W. & West, G.S. (1904). A monograph of the British Desmidiaceae. I. pp. [i]-xxxvi, [1]-224, pl. 1-32. London: The Ray Society.