“Duckweed Spirodela polyrhiza (L. Schleiden) as an alternative protein source for rainbow trout Oncorhynchus mykiss (Walbaum).” (Master Thesis S. Förster)
Dr. T. Stadtlander, Forschungsinstitut für biologischen Landbau Frick, Switzerland and Prof. A. Kahmen, Universität Basel, Switzerland, 2016

Chemical Testing using Duckweed according to OECD Guidelines 221
Innovative Environmental Services Witterswil, Switzerland, 2015

Several related projects undertaken by ETH Zürich
Dr. S. Hart and Dr. M. Turcotte, Zürich, Switzerland, 2014-2015

Exchange of duckweed for research
Dr. K. Appenroth, Universität Jena, Germany, 2013-2015

Exchange of duckweed
Rutgers Duckweed Stock Cooperative, New Brunswick NJ, U.S.A, 2014

“Cultivation, Growth Rates and Methane Yield of Different Duckweed Species.” (Bachelor Thesis A. Schneider)
Dr. P. Gerstberger, Universität Bayreuth, Germany, 2013

Expansion of the aquatic section of the garden by delivery of duckweed
Botanischer Garten Potsdam, Germany, 2013