''Bolboschoenus fluviatilis'', the river bulrush, is a species of flowering plant in the sedge family,
Cyperaceae
The Cyperaceae () are a family of graminoid (grass-like), monocotyledonous flowering plants known as wikt:sedge, sedges. The family (biology), family is large; botanists have species description, described some 5,500 known species in about 90 ...
. Its range includes
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
,
New Zealand
New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
,
New Caledonia
New Caledonia ( ; ) is a group of islands in the southwest Pacific Ocean, southwest of Vanuatu and east of Australia. Located from Metropolitan France, it forms a Overseas France#Sui generis collectivity, ''sui generis'' collectivity of t ...
,
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
, the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
, and northeastern
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. ''B. fluviatilis'' and its fruits are important as food sources for
waterfowl such as geese, ducks, bitterns, and swans. It also provides cover and nesting sites for these and other species of birds, as well as small mammals. Like other Bolboschoenus species, ''B. fluviatilis'' has strong tubers and rhizomes which help to stabilize
intertidal habitats by preventing erosion.
Habitat
River bulrush can be found in
fresh water
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salt (chemistry), salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include ...
or
brackish water
Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuary ...
marshes, and in the quiet waters of streams and lakes. It has been shown to propagate and flourish in a wide variety of water depths, but produces the most biomass in shallowly flooded conditions. ''B. fluviatilis'', and other bulrush species, are threatened by pollution,
habitat destruction
Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...
, and competition from invasive plant species such as ''
Typha angustifolia'' and ''
Phragmites australis'' in the
Hudson Valley
The Hudson Valley or Hudson River Valley comprises the valley of the Hudson River and its adjacent communities in the U.S. state of New York (state), New York. The region stretches from the Capital District (New York), Capital District includi ...
.
References
External links
Jepson Manual TreatmentPhoto gallery
fluviatilis
Flora of Northern America
Flora of Australia
Flora of New Zealand
Flora of New Caledonia
Plants described in 1836
{{Cyperaceae-stub