Gonyostomum semen

Gonyostomum semen
Scientific classification
Domain: Eukaryota
Clade: Sar
Clade: Stramenopiles
Division: Ochrophyta
Class: Raphidophyceae
Order: Chattonellales
Family: Vacuolariaceae
Genus: Gonyostomum
Species:
G. semen
Binomial name
Gonyostomum semen
(Ehrenberg) Diesing, 1866

Gonyostomum semen is a species of freshwater algae in the genus Gonyostomum, with worldwide distribution. They cause nuisance algal blooms and are known to cause allergic reactions to people swimming in lakes.