In 1999 we found two new species of macroscopic algae in the territory of S
lovakia - Nitella mucronata (A. Braun) Miquel 1840 and N. translucens (Pers
oon) Agardh 1807. Brief morphological description, ecological and chorologi
cal characteristics are included. The plant community of Nitelletum mucrona
tae is the first record in Slovakia. The name of Nitelletum mucronatae was
validated within the meaning of the Code of the phytosociological nomenclat
ure.