Greta Albrecht Fryxell (November 21, 1926 – September 24, 2017) was a marine scientist known for her work on the biology and taxonomy of diatoms.
Fryxell graduated summa cum laude from Augustana College in 1948 and then taught in junior high schools in Iowa.
[3][4] Fryxell is known for her research on phytoplankton, especially diatoms, where she combined investigations of laboratory cultures with samples collected from a variety of locations including the North Atlantic,[5] Gulf of Mexico,[6] and Antarctica.
[20][21] Fryxell's research includes investigations into multiple species of Pseudo-nitzschia,[22] and their role in toxin production in the Gulf of Mexico[23] and the west coast of the United States.
[32] In 1988, she received the Provasoli Award[33] of the Phycological Society of America for a paper she co-authored with A. Michelle Wood and Russell Lande.