| Sparganium fluctuans | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Typhaceae |
| Genus: | Sparganium |
| Species: | S. fluctuans |
| Binomial name | |
| Sparganium fluctuans (Engelm. ex Morong) B.L. Rob. | |
Sparganium fluctuans is a species of bur-reed found in North America known by the common name floating bur-reed. [1] It is listed as endangered in Connecticut. [2]
Sparganium (bur-reed) is a genus of flowering plants, described as a genus by Linnaeus in 1753. It is widespread in wet areas in temperate regions of both the Northern and Southern Hemispheres. The plants are perennial marsh plants that can grow to 3.5 m, with epicene flowers.
Sparganium natans is a species of bur-reed known by the common names least bur-reed and small bur-reed. It is a water circumboreal plant inhabiting North America, Europe, West Asia and Japan. It is usually found submersed in shallow, calm water. This bur-reed has thin, flexible, grasslike leaves which float in the water. Plants that spend more time out of water at the waterline are tougher and have shorter leaves. The plant bears two inflorescences, the staminate type being a rounded white filamentous ball and the pistillate type a sphere of thick, green, pointy peduncles. The fruits are small green or brown achenes.
Sparganium eurycarpum is a species of bur-reed known by the common names broadfruit bur-reed and giant bur-reed. It is native to wetlands in Eurasia and North America. It is a clonal perennial, spreading by below-ground rhizomes. The common name, bur-reed, arises from the distinctive round clusters of fruits that take the form of a mace. It can be distinguished from all other species of bur-reed by the presence of two stigmas.
Branched bur-reed is a common name for several plants in the genus Sparganium and may refer to:
Sparganium erectum, the simplestem bur-reed or branched bur-reed, is a perennial plant species in the genus Sparganium.
Sparganium angustifolium is a species of flowering plant in the cat-tail family known by the common names floating bur-reed and narrowleaf bur-reed. It has a circumboreal distribution, occurring throughout the northern latitudes of the Northern Hemisphere. It is an aquatic plant, growing in water up to 2.5 meters deep. Its habitat includes acidic, low-nutrient freshwater bodies such as ponds, lakes, slow-moving streams, and ditches. It can become abundant, practically covering the surface of the water. It is a perennial herb producing a floating stem with long, narrow, flattened leaves which can be quite long, sometimes reaching over two meters. It is monoecious, individual plants bearing both male and female inflorescences. These are spherical, the male inflorescence a ball of stamens and the female inflorescence a ball of developing fruits.
Sparganium emersum is a species of flowering plant in the cat-tail family known by the common names European bur-reed and unbranched bur-reed. It has a circumboreal distribution, occurring throughout the northern latitudes of Eurasia and North America. It is an aquatic plant, growing in shallow water bodies such as ponds and streams. It can become abundant at times. It is a perennial herb producing a floating stem up to 2 meters long. The leaves may be limp and floating or stiff and erect, emerging above the water surface. The leaves are flat and straplike, sometimes with a triangular, keeled base that can help distinguish it from the similar Sparganium angustifolium. It is monoecious, individual plants bearing both male and female inflorescences. These are spherical, the male inflorescence a ball of stamens and the female inflorescence a ball of developing fruits growing beneath the male spheres.
Sparganium glomeratum, the clustered bur-reed, is a species of bur-reed. It is a water plant native to high elevation lakes and marshes of Europe, Asia, and North America. North American populations were doubted as introduced due to its scarce and scattered populations, but a recent herbarium survey found more localities of the species in the central of Canada, concluding the species as circumpolar species.
Sparganium americanum, American bur-reed, is a perennial plant found in the United States of America and Canada. Though this species resembles a grass, it is a type of bur-reed. This species is important for conservation purposes because it has the ability to remove nitrogen and phosphorus runoff from water, like many other wetland species. By doing this it protects waterways from excess nitrogen which can cause eutrophication. This increased nitrogen is especially a problem during the farmers’ growing season. During this same time frame the S. americanum is growing and taking up nitrogen.
Floating bur-reed is a common name for several plants and may refer to:
Atriplex glabriuscula, common names Scotland orache, smooth orache, Babington's orache or seaside orach is an Atriplex species native to North America and northern Europe. It is an annual.
Botrychium simplex, the little grapefern, is a species of fern in the family Ophioglossaceae that is native to North America and Greenland. It is a perennial.
Paronychia fastigiata, common names hairy forked chickweed, hairy forked nailwort, and forked chickweed, is an annual plant native to North America.
Carex polymorpha common names variable sedge and many forms sedge, is a perennial species of Carex native to North America.
Cuscuta coryli, synonym Grammica coryli, common name hazel dodder, is a perennial plant in the Cuscutaceae family native to North America.
Potamogeton hillii, common name Hill's pondweed, is a species of plant found in North America. It is listed as endangered in Connecticut, Ohio, and Pennsylvania. It is listed as a special concern in Massachusetts and as threatened in Michigan and New York (state).
Potamogeton strictifolius, common names straight-leaved pondweed, pondweed,straight-leaf pondweed, and narrow-leaved pondweed, is a species of plant found in North America. It is listed as endangered in Connecticut, Illinois, Indiana, Massachusetts, and in New York (state). It is listed as possibly extirpated in Maine, and presumed extirpated in Ohio.
Potamogeton vaseyi, common name Vasey's pondweed, is a species of plant found in North America. It is listed as an endangered species in Indiana, Massachusetts, and Pennsylvania, and is listed as threatened in Connecticut, Maine, Michigan, and New Hampshire, and as presumed extirpated in Ohio.
Phragmites americanus, common name American reed, is a species of plant found in North America. It is listed as a special concern in Connecticut.
Sporobolus clandestinus, common names rough dropseed and rough rushgrass, is a species of grass found in North America. It is listed as endangered in Connecticut., Maryland, New York (state), and Pennsylvania. It is listed as threatened in Kentucky.
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