Image "Alexandrium" taken from:
http://www.uio.no/miljoforum/m_alge/art/alexandrium.htm

Image "Asterocytis" taken from:
http://www.biol.tsukuba.ac.jp/~inouye/ino/r/asterocytis.jpg

Image "Chroodactylon" taken from:
http://vis-pc.plantbio.ohiou.edu/algaeimage/pages/Chroodactylon.html

Image "Emiliania huxleyi bloom" modified from:
http://www.soes.soton.ac.uk/staff/tt/eh/pics/sat/cwall99_lg.jpg

Image "Eisenia bicyclis" photographed by Dr. Y.S. Oh.

Image "Gymnodinium breve" taken from:
http://www.mote.org/%7Epederson/gbreve3.jpg

Image "Karenia brevis " taken from:
http://starcentral.mbl.edu/microscope/portal.php?pagetitle=assetfactsheet&imageid=2598

Image "Porphyridium" taken from:
http://www.biol.tsukuba.ac.jp/~inouye/ino/r/Porphy.GIF

Image "Undaria pinnatifida" photographed by H.S. Yoon.