Lenz, Sebastian, Uta Raeder, and Juergen Geist. 2020. “Representative Monitoring of the Calcifying Alga <em>Phacotus lenticularis< Em> (Chlamydophyceae) in Lentic Ecosystems: Representative Monitoring of Calcifying Algae”. Journal of Limnology 79 (2). https://doi.org/10.4081/jlimnol.2020.1946.