Aquatic Weed ID Guide
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Microcystis
(Microcystis spp)
Often referred to as a slick or film, microcystis is a colonial variety of cyanobacteria. Buoyant cells accumulate along shores in windward direction. Microcystis is commonly found in nutrient-rich ponds in mid to late summer. Contact with microcystis blooms may cause skin irritation and gastrointestinal distress. Avoiding contact is advisable.