Juncus gerardii

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Juncus gerardii
Juncus gerardii.jpeg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Juncaceae
Genus: Juncus
Species:
J. gerardii
Binomial name
Juncus gerardii
Juncus gerardii range map.png

Juncus gerardii, commonly known as blackgrass, black needle rush or saltmarsh rush, is a flowering plant in the rush family Juncaceae.

Distribution

Juncus gerardii is mainly a coastal species, occurring at the high tide mark on the Mediterranean, Atlantic, Baltic and Black sea shorelines of Europe and the east coast of North America [ citation needed ]Juncus gerardii is one of the many species identified by Eric Hultén as amphi-Atlantic plants, meaning that they have a disjunct distribution on both sides of the Atlantic, but are absent on the Pacific side of the globe. [1] :172 It also occurs inland in parts of eastern Europe, west and central Asia, particularly on saline soils. In North America it occurs along the shorelines of areas once flooded by the sea, and as a weed along railway lines, for example in Minnesota. [1] In Indiana, it is the only Juncus species found in the Tipton Till Plain, a Till Plain in the Glacial till plains. [2]

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Oskar Eric Gunnar Hultén was a Swedish botanist, plant geographer and 20th century explorer of The Arctic. He was born in Halla in Södermanland. He took his licentiate exam 1931 at Stockholm University and obtained his doctorate degree in botany at Lund University in 1937. In his thesis, he coined the term Beringia for the ice-age land bridge between Eurasia and North America. From 1945 to 1961, he was a professor and head of the Botany Section at the Swedish Museum of Natural History. In 1953, he was elected to the Royal Swedish Academy of Sciences as member number 977.

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<i>Juncus roemerianus</i> Species of flowering plant

Juncus roemerianus is a species of flowering plant in the rush family known by the common names black rush, needlerush, and black needlerush. It is native to North America, where its main distribution lies along the coastline of the southeastern United States, including the Gulf Coast. It occurs from New Jersey to Texas, with outlying populations in Connecticut, New York, Mexico, and certain Caribbean islands.

<i>Juncus planifolius</i> Species of plant

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<i>Oreojuncus trifidus</i> Species of rush

Oreojuncus trifidus is a species of rush known by the common names highland rush and three-leaved rush. It is native to the Northern Hemisphere, where it is an arctic/montane species with an amphi-atlantic distribution.

<i>Juncus australis</i> Species of plant

Juncus australis is a species of rush known by the common names austral rush, leafless rush and wīwī. The species is native to south-eastern Australia and New Zealand, where it can be found around bodies of water. Its habitat is wet or seasonally wet grasslands and woodlands, and it can grow in dense and damp soil along rivers and creeks. It is a rhizomatous perennial rush that grows up to 120 centimetres tall. The plant flowers in clusters, with dense heads at the tip of the stem.

<i>Juncus inflexus</i> Species of rush

Juncus inflexus, the hard rush, is a species of flowering plant in the family Juncaceae, native to Europe, Asia and Africa, and introduced in Sri Lanka, Java, Île Amsterdam and Île Saint-Paul, Victoria in Australia, New Zealand, Uruguay, and eastern North America. It is a glycophyte (non-halophyte).

<i>Juncus stygius</i> Species of plant in the genus Juncus

Juncus stygius, called the bog rush and moor rush, is a species of flowering plant in the genus Juncus, with a high circumboreal distribution, never reaching further south than Switzerland, Korea and Upstate New York.

<i>Juncus triglumis</i> Species of plant in the genus Juncus

Juncus triglumis, called the three-flowered rush, is a species of flowering plant in the genus Juncus, native to the subarctic and subalpine Northern Hemisphere. It is typically found in calcareous tundra habitats and arcto-alpine fens. It is often found in association with Carex atrofusca and Carex bicolor in the so-called Caricion bicolori-atrofuscae alliance.

References

  1. 1 2 Hultén, Eric. The amphi-Atlantic plants and their phytogeographical connections. Stockholm, Sweden: Almqvist & Wiksell.
  2. Lamerson, Virginia (1950). "Coastal plains flora in Indiana botanical areas". Butler University Botanical Studies. 9 (1): 188–196.