The diatom Phaedactylum tricornutum Bohlin forms blooms in the south arm of the Great Salt Lake, Utah, during cool months. This represents the first report of this taxon from Utah and the first from nonmarine waters in the United States.
Rushforth, Samuel R.; Johansen, Jeffrey R.; and Sorensen, Darwin L.
"Occurrence of Phaedactylum tricornutum in the Great Salt Lake, Utah, USA,"
Great Basin Naturalist: Vol. 48
, Article 2.
Available at: http://scholarsarchive.byu.edu/gbn/vol48/iss3/2