» Botrydium granulatum    Several images of this yellow-green alga growing on drying mud and also enlarged images of the thalli.    http://www.bioimages.org.uk/HTML/R152736.HTM

» Characiopsis naegelii    Image of this species epiphytic on Daphnia, provided by AlgaeVision.    http://www.nhm.ac.uk/research-curation/projects/algaevision/database/detail.jsp?taxon=&imageID=1851&GenusName=Characiopsis&SpeciesName=naegelii

» Introduction to the Xanthophyta: Yellow-Green Algae    Brief discussion of the biology and ecology of this group of photosynthetic organisms which live primarily in freshwater, but also are found in marine waters, on damp soil or on tree trunks.    http://www.ucmp.berkeley.edu/chromista/xanthophyta.html

» Vaucheria    Photographs of the filaments of this freshwater species with its description and information on its biology.    http://www-biol.paisley.ac.uk/bioref/Chromista/Vaucheria.html