I was playing this spelling bee game when this word came up and I wanted to know how the word was formed but could not find anything and thought perhaps someone on this site could help me out a bit?
According to wikipedia:
According to Dictionary of American Family Names, Oxford University Press:
And, again, according to Dictionary of American Family Names, Oxford University Press:
From And the Waters Turned to Blood by Rodney Barker, p. 103:
"Pfiesteria was a tribute to their friend the late Lois Pfiester, a pioneer in unraveling the sexual life cycles of fresh-water dinoflagellates..."