Materials to the Zygnemaceae of Poland. III. Spirogyra lagerheimii Wittrock 1889, a new species in Poland

Abstract

A species new in the Polish flora, Spirogyra lagerheimii Wittr, was found in the old riverbed of the Raba River in Mszana Dolna (Nowy Sącz Voivodship) and in a peat bog in Magdalenów (Piotrków Voivodship). Figures showing hitherto unknown scalariform conjugation, germinating zygotes, inflated vegetative cells in conjugating filaments are shown.

Keywords

• Spirogyra
• taxonomy
• morphology