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The wetland status of 7,000 plants is determined upon information contained in a list compiled in the National Wetland Inventory undertaken by the U.S. Fish and Wildlife Service and developed in cooperation with a federal inter-agency review panel (Reed, 1988). The National List was compiled in 1988 with subsequent revisions in 1996 and 1998.
Sedges are a large family of grass-like plants with many species that form a characteristic part of wetland vegetation. Bolboschoenus, club rushes. Carex, the true sedges, contains over 2,000 species, primarily found in wetland environments. Eleocharis, the spikerushes. Scirpus, bulrushes.
Ruppia maritima is an aquatic plant species commonly known as beaked tasselweed, beaked ditchgrass, [citation needed] ditch grass, tassel pondweed and widgeon grass. [2] Despite its scientific name, it is not a marine plant; is perhaps best described as a salt-tolerant freshwater species. [3]
The wetlands data layer is increasing in size each year primarily due to existing analog data being converted to vector or raster images. Contributed data from the U.S. Army Corps of Engineers Regulatory Database (ORM2), [10] other federal, state and local organizations is also increasing. More and newer data will need to come from other ...
Reed is a common name for several tall, grass-like plants of wetlands. Varieties. They are all members of the order Poales (in the modern, ...
The Cyperaceae (/ ˌ s aɪ p ə ˈ r eɪ s i. iː,-ˌ aɪ /) are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges.The family is large; botanists have described some 5,500 known species in about 90 genera [3] [4] – the largest being the "true sedges" (genus Carex), [5] [6] with over 2,000 species.
Wetlands have decreased by as much as 50% since 1900 and in some parts of the world by 90%. [19] [20] Inland wetlands, freshwater marshes making up about 20-25% of all freshwater wetlands globally, [21] have been decreasing approximately 1.2% each year throughout the last century (since 1900). [22] [23]
Schoenoplectus acutus (syn. Scirpus acutus, Schoenoplectus lacustris, Scirpus lacustris subsp. acutus), called tule / ˈ t uː l iː /, common tule, hardstem tule, tule rush, hardstem bulrush, or viscid bulrush, is a giant species of sedge in the plant family Cyperaceae, native to freshwater marshes all over North America.