A large bloom that included floating mats of the blue-green algae Anabaena flos-aquae occurred in the lower 20 miles of the Tualatin River in northwestern Oregon between July 7 and July 17, 2008.
Rounds, Stewart A. sarounds@usgs.gov,Carpenter, Kurt D. kdcar@usgs.gov,Fesler, Kristel J.,et al. Upstream factors affecting Tualatin River algae???Tracking the 2008 <em>Anabaena</em> algae bloom to Wapato Lake, Oregon. 2015-01-01.