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Underwater Plants of Utah
Caution: These ID's are preliminary and may be wrong!
If you're a plant expert, set us straight by email right NOW.

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Northern Watermilfoil

Grows as long green upstanding strands. Branches from central stem give off secondary horizontal branching strands. Stems may have a buff or pinkish hue. Diameter of individual strands is one to 1-1/2 inches; may grow up to several feet in length.

Branches become more widely spaced further down the central stem. Branches can be rather stiff, and the shape does not collapse when the plant is removed from the water. Northern watermilfoil may have a small stalk (4-6 inches) protruding from the top of the strand, with several small flowers along the stalk.

Found in: Tony Grove Lake

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d-mirr3.jpg (8672 bytes) Dwarf Spikerush

Description: Green grass-shaped plant with several stems growing straight up from a tuber. Individual plants are often connected by common roots. Size 3 to 6 inches. Grows in shallower waters (less than 2 feet), usually with a muddy bottom. Individual spikes may form a single small brownish flower at the tip..

Seen in: Mirror Lake

Coontail(?)

Long pink strands with periodic joints from which feather-like branches erupt. Strands often divide near the surface to form a thick canopy.

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d-ex1-20.jpg (7153 bytes) Depths 2 to 25 feet. Individual strands may reach 8 to 10 feet in length.

Found in: Fish Lake

Ambulia

This common aquarium plant has invaded shallow areas in Utah's reservoirs. Flat spear-shaped leaves branch out from the central stalk, then curl downward. Leaves emerge in a spiral pattern from the central stalk, with relatively even spacing from the bottom of the stalk to the tip.

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d-scof2.jpg (8116 bytes) Depth 2 to 15 feet.

Found in: Soldier Creek, Scofield

Hair Moss

Fuzzy tangled fine strands of green moss grow in clumps, resembling a matted beard. Individual clumps vary from a few tiny strands to large matts 8 to 12 inches in height. Seen in virtually all Utah lakes and reservoirs. (The white objects in the photo are insect larvae.)

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d-weed2.jpg (11079 bytes) Whitestem Pondweed

Long stems, about 3/16 inch in diameter, with single long pointed leaves growing directly from stalk. Leaves tend to alternate sides of stalk, and the stalk often zigzags back and forth between leaves. Individual leaves are often twisted, with a prominent central vein. Found in depths 4 to 12 feet, stalks may be 6 feet in length.

Seen in: Tony Grove

Western Pondweed

Thin, ribbon-like blunt-tiped leaves about two inches in length branch alternately from a stem that attaches to the central stalk. Entire plant is usually only about one foot in height. Prefers alkaline waters, depth 1 to 6 feet. A small stalk at the top of the plant may have several small flowers or seeds along its length.

Seen in: Flaming Gorge

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Pondweed Species?

Eight curving threadlike leaves, 2-3 inches long, branch radially from each joint in the stem. Fairly flexible stems with a fair amount of open space in beds of this plant. Height about one foot.

Depths 1 to 40 feet. Found in: Blue Lake

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Pondweed Species?

Found in: Mirror Lake

 

Pondweed Species?

Stiff yellow plant forming dense mats about 1 to 2 feet high. Multiple stiff threadlike leaves branch from joints on stalk, stalk may branch.

Found in: Burreston Pond

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