Stipules are as long as the leaf stalks of the floating leaves, firm and persistent, with two ribs or keels along the outer side. They that grows in a variety of conditions, from moist soil, up to water 3′ deep. Floating and submersed leaf shapes differ; stems seldom branch. Potamogetonaceae (pondweed family). Location: Grow below water surface; are firmly rooted; have branched, slender stems; have grasslike, narrow leaves; may have flowers or seeds extending above water surface; are limp when out of the water. Water lilies are slow growing plants that prefer in still, shallow water up to a depth of about 4-5 feet. Hydrobiologia 131(1):3-21. Stems emerge from a network of rhizomes that can form tubers at their tips. Leaves are arranged in an alternated pattern on slender stems. Potamogetonaceae (pondweed family). Try a rattle-trap, big swim bait or Carolina rig. Common reed are found in moist soil, up to water 3′ deep and grows up to 15 feet tall with a feathery seed-head that forms later in the summer. Bushy Pondweed Najas spp. Has numerous submersed leaves of a single shape; there are no floating leaves. All rights reserved. Stipules are pointed, up to 1.2 in (3 cm) long, and clasp the stem at their base; they often are worn away so that only the veins remain. Native perennial. The sharply pointed stipules tend to be longer than the leaf stalks of the submersed leaves and shorter than the stalks of the floating leaves; the stipules have two ridged veins down the back. Submersed plant with a single leaf type and no floating leaves; grows up to 10 ft (3 m) but remains low in the water-column, stems often not reaching the surface until they flower. At first glance, it can be confused with Curly-Leaf Pond Weed. Native perennial. These underwater leaves are thin-textured and flimsy, their edges often wavy or rippling. Potamogetonaceae (pondweed family). The Plants Database includes the following 68 species of Potamogeton .Click below on a thumbnail map or name for species profiles. Tape Grass starts growing actively when the water temperature warms up in in the summer months and will divide by sending out runners from the base. It typical grows shallow water one to three metres deep, but can also root much deeper. Grows in mixed stands of plants that may cause water use/access problems. : Flatstem pondweed, fern pondweed, eelgrass pondweed. n. Any of various submerged or floating aquatic plants of the genus Potamogeton, having inconspicuous flowers borne in small spikes. Higher plants have stems and true leaves. Types of Pond Grasses and Weeds. This stipule can be peeled away from the stem to reveal the lower part of the leaf and the node from which the leaf originates. At first glance, it can be confused with Curly-Leaf Pond Weed. Water Plantain is a native plant that grows in moist soil and shallow water, up to about 15 cm deep. Submersed leaves are stalkless, extremely narrow, linear, and rather stiff, tapering evenly along a length of 4 - 20 in (10 - 50 cm) to a thread-like tip. The water will regularly wash over the top of the plant if the surface is disturbed at all like duckweed. Cape pondweed, or water hawthorn (Aponogeton distachyos), of the family Aponogetonaceae, is native to South Africa and is grown as an ornamental in pools and greenhouses. From 7 to 15 veins can be counted on the upper side, and the underside has a prominent midvein. It is fast growing plant and can grow very quickly, overtaking other pond plants. The blades are basically oval, 3 - 8 in (7.5 - 20 cm) long, broadly pointed at the tip and tapering into the short leaf stalks. 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