Conjugates (Charophyta, Conjugatophyceae) of the National Park «Valdaiskiy» (Novgorod Region, Russia)

A. F. Luknitskaya

DOI: https://doi.org/10.31111/nsnr/2017.51.106

Full article

Abstract

Data on the flora of freshwater algae of the Conjugatophyceae of the National Park (NP) «Valdaiskiy» (Novgorod Region, Russia) represent the first generalization on the flora of the conjugates of the Novgorod Region. In total 152 species, 8 varieties and 1 form of 27 genera (Actinotaenium, Bambusina, Closterium, Cosmarium, Сylindrocystis, Desmidium, Docidium, Euastrum, Gonatozygon, Haplotaenium, Hyalotheca, Micrasterias, Mougeotia, Netrium, Penium, Planotaenium, Pleurotaenium, Raphidiastrum, Spirogyra, Spirotaenia, Spondylosium, Sphaerozosma, Staurastrum, Staurodesmus, Tetmemorus, Xanthidium, Zygnema) are listed. The NP area Region. Data on occurrence of 124 species and intraspecific conjugate taxa in Demyanskiy and Okulovskiy districts are presented for the first time. The list of the taxa is annotated by data on their distribution in collecting sites in these districts of the NP, and abundance in the samples. Data on the conjugates of Valdayskiy District were published earlier, and the list is provided with appropriate bibliographic references. Data on the conjugates of other districts of the Novgorod Region is scarcely available at present. The following genera are represented by the greatest number of species: Cosmarium (46 species and 2 varieties), Staurastrum (27 species and 3 varieties) and Closterium (17 species and 1 variety). Micrasterias americana, Sphaerozosma laeve and Actinotaenium tessellatum are rare worldwide. Staurastrum chaetoceros is recorded for the first time in the Novgorod Region.

Keywords: conjugates, Charophyta, Conjugatophyceae, Valday, Demyanskiy and Okulovskiy Districts, National Park «Valdaiskiy», Novgorod Region, Russia

Section: Algae

How to cite

Luknitskaya A. F. 2017. Conjugates (Charophyta, Conjugatophyceae) of the National Park «Valdaiskiy» (Novgorod Region, Russia). Novosti Sist. Nizsh. Rast. 51: 106–120. https://doi.org/10.31111/nsnr/2017.51.106

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