Xanthidium bifidum var. iniquispinosum (Huber-Pestalozzi) Levanets & Janse van Vuuren, 2024

Levanets, Anatoliy & Unit, Sanet Janse van Vuuren, 2024, Taxonomy and nomenclature of desmid names (Desmidiales, Zygnematophyceae) described by G. Huber-Pestalozzi from Knysna Forest in South Africa, Notulae Algarum 318, pp. 1-2 : 2

Xanthidium bifidum var. iniquispinosum (Huber-Pestalozzi) Levanets & Janse van Vuuren , comb. nov.

Basionym: Arthrodesmus bifidus var. iniquispinosus Huber-Pestalozzi Zeitschrift für Botanik 23: 467, pl. 7, fig. 5, 1930.

Type locality: Union of South Africa [currently Republic of South Africa], Knysna Forest , near Harkerville, a shallow swamp about 30 m in diameter, slightly brownish water, abundant hydrophytes, leg. G. Huber-Pestalozzi, 7 October 1926 .

Registration: http://phycobank.org/104333

We are grateful to Iryna Bednarska (Institute of Ecology of the Carpathian Mountains of NAS of Ukraine) for help accessing old Polish literature, and to Professor Michael D. Guiry and Wolf- Henning Kusber for their helpful comments.

Borzęcki, K. (1920). Przyczynek do znajomości Desmidjów okolic Lwowa. Rozprawy Wydziału Matematyczno-Przyrodniczego Polskiej Akademji Umiejętności, Serja 3, Tom 19, Dział B: 1-41.

Deflandre, G. (1929). Notes sure l' Arthrodesmus impar (Jacobsen) Grönbl. et ses veriations, suivies de remarques sur la delimitation des genres Arthrodesmus et Xanthidium. Bulletin de la Société Botanique de France 76: 130-139, 18 figs.

Guiry, M.D. & Guiry, G.M. (2023). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 24 January 2024.

Huber-Pestalozzi, G. (1930). Algen aus dem Knysnawalde in Südafrika. Zeitschrift für Botanik 23: 443-480, 8 figs.

Hustedt, F. (1911). Desmidaceae und Bacillariaceae aus Tirol. Ein Beitrag zur Kenntnis der Algenflora europäischer Hochgebirge. I. Folge: Desmidiaceae. Archiv für Hydrobiologie 6: 307- 346, 36 figs.

Lütkemüller, J. (1905). Zur Kenntnis der Gattung Penium Bréb. Verhandlungen der kaiserlichköniglichen zoologisch-botanischen Gesellschaft in Wien 55: 332-337.

Turner, W.B. (1893). Algae aquae dulcis Indiae orientalis. The freshwater algae (principally Desmidieae) of East India. Kungliga Svenska Vetenskaps-Akademiens Handlingar 25 (5): 1-187, 23 pls.

Turland, N. J., Wiersema , J. H., Barrie , F. R., Greuter , W., Hawksworth, D. L., Herendeen , P. S., Knapp , S., Kusber , W.- H., Li, D. - Z., Marhold , K., May , T. W., McNeill , J., Monro , A. M., Prado , J., Price , M. J. & Smith , G. F., editors (2018). International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile, Vol. 159. pp. [i]–xxxviii, 1–253. Glashütten: Koeltz Botanical Books .