Plate 9. — Selection of species characterized by a wide ecological amplitude, to be encountered in both (shallow) eutrophic and mesotrophic water bodies.
Drawings
@ Peter Coesel (Desmids of the Lowlands)
Plate 9 — 1. Closterium strigosum; 2. Cosmarium reniforme; 3. Closterium acerosum; 4. Cosmarium punctulatum; 5. Closterium moniliferum; 6. Cosmarium formosulum; 7. Closterium venus.