Content tagged with "aquatic plant"

Algae Control

This Aquagide shows you how to control algae in your Missouri pond. More

American Lotus

Photo of lotus in pool at Duck Creek CA
Nelumbo lutea
American lotus is an aquatic plant with circular leaves that are held above water. The large yellow flowers have an interesting showerhead-like disk at the center. More

American Lotus (Floating Leaf)

Photo of American lotus, young floating circular leaf
American lotus is an aquatic plant that can cover large areas. The leaves are blue green, circular, without a V-shaped notch, extremely variable in size, to 2 feet wide, and can shed water. The stem is attached in the center. They are normally held above the water level on long stems, though young leaves float. More

American Pondweed (Longleaf Pondweed)

Photo of American pondweed closeup of leaves
American pondweed, or longleaf pondweed (Potamogeton nodosus), like other pondweeds, grows submerged in water, sometimes with floating leaves, with only its flowers rising above the surface. More

American Pondweed (Longleaf Pondweed)

Photo of American pondweed leaves floating on water surface
American pondweed, or longleaf pondweed (Potamogeton nodosus), is one of our native pondweeds that can grow rampantly and become a nuisance plant in ponds and lakes. When they grow excessively, it can be due to excessive nutrients entering the water, such as farm and fertilizer runoff or leaky septic systems. More

American Water Willow

Photo of American water willow showing plant with flowers
American water willow is common on gravel bars and other stream banks throughout much of Missouri. The dense colonies of emergent stems have leaves like a willow’s, but the two-lipped flowers resemble little orchids. More

American Water Willow

Photo of American water willow closeup on flowers
Justicia americana
American water willow is common on gravel bars and other stream banks throughout much of Missouri. The dense colonies of emergent stems have leaves like a willow’s, but the two-lipped flowers resemble little orchids. More

American Water Willow (Flowers)

Photo of American water willow closeup on flowers
The flowers of water willow are nothing like the catkins of true willows. They are clustered into headlike groups and are about ¾ inch long with a notched upper lip and a 3-lobed lower lip. The upper lip is light purple, rarely white; the lower lip white or pale purple with purple markings. It blooms May through October. More

Aquatic Propagation in Scours

Aquatic plant, pickerel weed, being grown in a nursery
Over the summer aquatic plants, like this pickerel weed, have been grown in a nursery and planted in some of the deeper scours that have held water through the summer. More

Brittle Naiad (Brittleleaf Naiad)

Photo of brittle naiad aquatic plant held in a person’s hand
Four species of naiads have been recorded in Missouri. Brittle naiad (Najas minor), an introduced species, is expanding its range and is expected to become more widespread. Its leaves curve backward during the growing season and have teeth along the edge that are visible without magnification. More