Floating Watermoss
Floating watermoss has two upper lobes that are hairy and a lower lobe that acts like roots. The rows of opposite lobes form a cross shape on the water.
Read MoreGiant Salvinia
Giant Salvinia is a small floating fern with two small, simple lobes as leaves. Some leaves modify to act as roots that branch horizontally.
Read MorePond Water Starwort
Pond water starwort has long, thin submersed leaves and floating leaves that resemble a four leaf clover. White flowers are held above water.
Read MoreFloating Crystalwort
Floating crystalwort forms green mats under or on the water’s surface. The stem and leaves all look the same with forked branches.
Read MoreRed Algae
Red algae can give the water a red or reddish brown hue but can also be green.
Read MoreCyanobacteria
Cyanobacteria are toxic bacteria that look like blue green algae: mats of green, blue, brown, or purplish red floating on the water.
Read MoreBlue Green Algae
Blue green algae can be green, brown, or reddish purple looking in the water.
Read MoreStarry Stonewort
Starry Stonewort resembles a submerged plant and can be identified by the little white stars amongst the gelatin-green branches.
Read MorePlanktonic Algae
Planktonic algae look like pea soup or spilled paint.
Read MoreFilamentous Algae
Filamentous algae have an appearance like that of stringy hairs or cotton.
Read MoreChara Algae
Chara appears like a submerged plant, but it is not truly rooted. Chara is branched with whorls of leaf-like structures.
Read MoreWater Lettuce
Water lettuce often looks like a floating open head of lettuce.
Read MoreWater Hyacinth
Water Hyacinth has spongy green leaves and purple flowers above the water.
Read MoreWatermeal
Watermeal is a tiny floating plant that makes swirls across the water and looks like bright green strawberry seeds up close.
Read MoreDuckweed
Duckweed is a small free floating plant that resembles clovers and has short roots.
Read MoreMosquito Fern
Mosquito fern floats on the surface, forming large colonies, and can be green or red to brown.
Read MoreCommon Salvinia (Water Fern)
Salvinia is a free floating aquatic fern with two green lobes above the water.
Read MoreBladderwort
Bladderwort has yellow flowers and small bladders attached to the leaf like branches, which are alternately arranged.
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