Ovalzellige Vierlings-Grünalge (Crucigenia sp.) Crucigenia sp. Ovalzellige Vierlings-Grünalge (Crucigenia sp.) Fundort: Sprockhövel IGM Bildungszentrum, Teich Plankton-Probe Datum: 25.9.2007
freshwater life procaryota algae plants protists "worms" molluscs arthropods marine life mediterranean tropical misc impresssum plingfactory