Robuta

https://repository.si.edu/items/bbe081aa-5e1d-45fc-8521-b5ef59d134cd Stimulative effect of short wave lengths of the ultraviolet on the alga Stichococcus bacillaris... short wave https://species.wikimedia.org/wiki/Stichococcus Stichococcus - Wikispecies wikispecies