by Maria Kahlert, Dep. of Aquatic Sciences and Assessment, Swedish Agricultural University, Sweden
What are algae? Taxonomy, identification and ecology of freshwater benthic algae
Sampling and preparation of algae
How to know the freshwater benthic algae. An ultrashort key.
Bilder av påväxtalger (in Swedish)
by Derek W. Keats, University of the Western Cape, USA
The world of algae