Pearl River Valley Water Supply District

The Pearl River Valley Water Supply District (PRVWSD) is a governing entity within the state of Mississippi tasked to manage a portion of the Pearl River basin, including the Ross Barnett Reservoir area, and its watersheds. The responsibilities of the district include: overseeing land management, maintaining natural resources, and providing recreational opportunities. In 1956 the … Read more

Playground

Image by/from Nevit A playground, playpark, or play area is a place specifically designed to enable children to play there. It is typically outdoors. While a playground is usually designed for children, some target other age groups or people with disabilities. A playground might exclude children below a certain age. Modern playgrounds often have recreational … Read more

Posidonia

Image by/from Alberto Romeoalbertoromeo@neomedia.ithttp://www.romeofotosub.it See text Posidonia is a genus of flowering plants. It contains nine species of marine plants (“seagrass”), found in the seas of the Mediterranean and around the south coast of Australia. The APG system (1998) and APG II system (2003) accept this genus as constituting the sole genus in the family … Read more

Pontederia vaginalis

Image by/from Jeevan Jose Monochoria vaginalis is a species of flowering plant in the water hyacinth family known by several common names, including heartshape false pickerelweed and oval-leafed pondweed. It is native to much of Asia and across many of the Pacific Islands, and it is known in other areas as an introduced species. It … Read more

Potamogeton alpinus

Image by/from Alexander Bobrov Potamogeton alpinus is a species of perennial aquatic plant known by the common names alpine pondweed and red pondweed. It is widespread in the northern hemisphere in both rivers and lakes with good water quality. Red pondweed is a perennial herb anchoring in the mud substrate via a creeping rhizome. It … Read more

Persicaria amphibia

Image by/from Svdmolen Persicaria amphibia (syn. Polygonum amphibium) is a species of flowering plant in the knotweed family known by several common names, including longroot smartweed, water knotweed, water smartweed, and amphibious bistort. It is native to much of North America, Asia, Europe, and parts of Africa, and it is known elsewhere as an introduced … Read more

Poa paludigena

Image by/from Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC. 1950. Poa paludigena is a species of grass known by the common names bog bluegrass, marsh bluegrass, slender marsh bluegrass, and Patterson’s bluegrass. It is native to the northeastern United States. This … Read more

Potamogeton berchtoldii

Image by/from Tristan He Potamogeton fieberi Rouy Potamogeton groenlandicus Hagstr. Potamogeton lacunatus Hagstr. Potamogeton berchtoldii, common name small pondweed is an aquatic plant. Small pondweed is a fine-leaved pondweeds with a bushy habit. It lacks a perennial rhizome and the plants die back in winter into a large number of resting buds known as turions. … Read more

Potamogeton

Image by/from Christian Fischer 80-100, see text Potamogeton is a genus of aquatic, mostly freshwater, plants of the family Potamogetonaceae. Most are known by the common name pondweed, although many unrelated plants may be called pondweed, such as Canadian pondweed (Elodea canadensis). The genus name means “river neighbor”, originating from the Greek potamos (river) and … Read more

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