Lenz, S., Raeder, U. and Geist, J. (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). doi: 10.4081/jlimnol.2020.1946.