Ferrer, N. C. & Cáceres, E. J.: Spirogyra multiconjugata sp. nov.
(Zygnematophyceae, Chlorophyta), a new species of the Punctata
group found in Argentina. (With 17 figures and 1 table) 1-10

Tschaikner, A., Gärtner, G. & Kofler, W.: Coelastrella aeroterrestrica
sp. nov. (Chlorophyta, Scenedesmoideae) – a new, obviously
often overlooked aeroterrestrial species. (With 3 figures and
2 tables) 11-20

Tell, G. & Couté, A.: Trachelomonas armata (Ehr.) Stein
(Euglenophyceae) and related morphotypes from Argentina.
(With 18 figures) 21-35

Mugnai, M. A., Margheri, M. C., Sili, C., Turicchia, S., Soldati, E.,
Maffettone, E., Funari, E., Scardala, S., Di Brizio, M. &
Ventura, S.: The cyanobacterial community of Lake Trasimeno.
(With 6 figures and 6 tables) 37-64

Tribollet, A., Veinott, G., Golubic, S. & Dart, R.: Infestation of the
North American freshwater mussel Elliptio complanata (Head
Lake, Canada) by the euendolithic cyanobacterium Plectonema
terebrans Bornet et Flahault. (With 6 figures) 65-77

Walczak, A., Mazur-Marzec, H. & Surosz, W.: Impact of UV-A and
UV-B radiation on growth and toxin production of Nodularia
spumigena and Microcystis aeruginosa. (With 6 figures) 79-94

New book 95-96