Vegetation Science Group

Department of Botany and Zoology | Faculty of Science | Masaryk University

Vegetation of the Czech Republic

Alliance VCA
Nitellion flexilis Krause 1969

This alliance includes submerged vegetation dominated by species of the genus Nitella and Chara braunii, i.e. species without calcareous incrustation. It occurs in calcium-poor, acidic to neutral water. It is most common in western Europe and becomes increasingly rare towards the east. In the Czech Republic it occurs mainly in cool and wet areas of the western part of the country.

Orig. (Krause 1969): Nitellion flexilis (Corillion, 1957) all. nov.

Syn.: Nitellion flexilis Corillion 1957 (fantom), Nitellion flexilis D±mbska 1966 prov. (§ 3b), Nitellion syncarpo-tenuissimae Krause 1969 (§ 25)

Diagnostic species: Chara braunii, Nitella flexilis, Potamogeton natans. P. obtusifolius. P. pusillus agg.

Constant species: Nitella flexilis

Source: ©umberová K., Hrivnák R., Rydlo J. & O»aheµová H. (2011): VCA Nitellion flexilis Krause 1969. In: Chytrý M. (ed.), Vegetace České republiky. 3. Vodní a mokřadní vegetace [Vegetation of the Czech Republic 3. Aquatic and wetland vegetation]. Academia, Praha, p. 251.