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River Water Crowfoot
''Ranunculus fluitans'' (the river water-crowfoot,) is a species of buttercup. It is a perennial water plant, which when in favourable conditions (such as fast flowing water,) can grow up to 6 m (20 ft) height.J. S. Rodwell; ''British Plant Communities: Woodlands and Scrub'' Cambridge University Press, 1990 Description ''Ranunculus fluitans'' has no floating leaves, instead it has long and narrow, tassel-like segments. Reaching up to 30 cm (12 in) long. The long, slender stems can have up to two flower stems. The white flowers are held above the water level, they are around 2–3 cm across. They are daisy-like, with 6–8 overlapping petals around a central yellow area. It blooms in June, then the rounded seed heads become hairless fruits. It is similar in form to '' Ranunculus trichophyllus'' (thread-leaved water-crowfoot), principal differences being flower petal number- thread-leaved has only 5 petals and shorter leaves- and different preferred habitat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jean-Baptiste Lamarck
Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biological evolution occurred and proceeded in accordance with natural laws. Lamarck fought in the Seven Years' War against Prussia, and was awarded a commission for bravery on the battlefield. Posted to Monaco, Lamarck became interested in natural history and resolved to study medicine. Packard (1901), p. 15. He retired from the army after being injured in 1766, and returned to his medical studies. Lamarck developed a particular interest in botany, and later, after he published the three-volume work ''Flore françoise'' (1778), he gained membership of the French Academy of Sciences in 1779. Lamarck became involved in the Jardin des Plantes and was appointed to the Chair of Botany in 1788. When the French National Assembly founded the Muséu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hungary
Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and Slovenia to the southwest, and Austria to the west. Hungary has a population of nearly 9 million, mostly ethnic Hungarians and a significant Romani people in Hungary, Romani minority. Hungarian language, Hungarian, the Languages of Hungary, official language, is the world's most widely spoken Uralic languages, Uralic language and among the few non-Indo-European languages widely spoken in Europe. Budapest is the country's capital and List of cities and towns of Hungary, largest city; other major urban areas include Debrecen, Szeged, Miskolc, Pécs, and Győr. The territory of present-day Hungary has for centuries been a crossroads for various peoples, including Celts, Ancient Rome, Romans, Germanic peoples, Germanic trib ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of The United Kingdom
The flora of Great Britain and Ireland is one of the best documented in the world. There are 1390 native species and over 1100 well-established non-natives documented on the islands. A bibliographic database of the species is compiled by the Botanical Society of Britain and Ireland. Because of the size of the list, it is spread across multiple pages. * Part 1 covers ferns and allies ( Lycopodiopsida, Equisetopsida and Pteridopsida) * Part 2 covers the conifers (Pinopsida) The remaining parts cover the flowering plants ( Magnoliopsida): * Part 3, covering a group of dicotyledon families (Lauraceae to Salicaceae) * Part 4, covering another group of dicotyledon families (Brassicaceae to Saxifragaceae) * Part 5, covering the dicotyledon family Rosaceae * Part 6, covering another group of dicotyledon families ( Mimosaceae to Dipsacaceae) * Part 7, covering the dicotyledon family Asteraceae * Part 8, covering the monocotyledons ( Butomaceae to Orchidaceae) The list gives an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. Comprising the westernmost peninsulas of Eurasia, it shares the continental landmass of Afro-Eurasia with both Africa and Asia. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south and Asia to the east. Europe is commonly considered to be separated from Asia by the watershed of the Ural Mountains, the Ural River, the Caspian Sea, the Greater Caucasus, the Black Sea and the waterways of the Turkish Straits. "Europe" (pp. 68–69); "Asia" (pp. 90–91): "A commonly accepted division between Asia and Europe ... is formed by the Ural Mountains, Ural River, Caspian Sea, Caucasus Mountains, and the Black ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Frome, Dorset
The River Frome is a river in Dorset in the south of England. At 30 miles (48 km) long it is the major chalkstream in southwest England. It is navigable upstream from Poole Harbour as far as the town of Wareham. Geography The river rises in the Dorset Downs at Evershot, passes through Maiden Newton, Dorchester, West Stafford and Woodsford. At Wareham it and the parallel River Piddle flow into Poole Harbour via the Wareham Channel. The catchment area is , approximately one sixth of the county. East of Dorchester the river runs over sands, clays and gravels which overlie the chalk; as the valley gradient is gentle the Frome has deposited much sediment here and thus created a broad floodplain. Historically this contained marshes and gave the name to the Durotriges, ''water dwellers'', the Brittonic Celtic tribe who inhabited Dorset. The river forms a wide, shallow ria at its estuary, Poole Harbour. Prior to the end of the last ice age, the Purbeck Hills were contin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Barnes
William Barnes (22 February 1801 – 7 October 1886) was an English polymath, writer, poet, philologist, priest, mathematician, engraving artist and inventor. He wrote over 800 poems, some in Dorset dialect, and much other work, including a comprehensive English grammar quoting from more than 70 different languages. A linguistic purist, Barnes strongly advocated against borrowing foreign words into English, and instead supported the use and proliferation of "strong old Anglo-Saxon speech". Life and work Barnes was born in the parish of Bagber, Dorset, to John Barnes, a tenant-farmer in the Vale of Blackmore. The younger Barnes's formal education finished when he was 13 years old. Between 1818 and 1823 he worked in Dorchester, the county town, as a solicitor's clerk, then moved to Mere in neighbouring Wiltshire and opened a school. While he was there he began writing poetry in the Dorset dialect, as well as studying several languages—Italian, Persian, German and French, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ranunculus X Sturm58
''Ranunculus'' is a large genus of about almost 1700 to more than 1800 species of flowering plants in the family Ranunculaceae. Members of the genus are known as buttercups, spearworts and water crowfoots. The genus is distributed in Europe, North America and South America. The familiar and widespread buttercup of gardens throughout Northern Europe (and introduced elsewhere) is the creeping buttercup '' Ranunculus repens'', which has extremely tough and tenacious roots. Two other species are also widespread, the bulbous buttercup ''Ranunculus bulbosus'' and the much taller meadow buttercup '' Ranunculus acris''. In ornamental gardens, all three are often regarded as weeds. Buttercups usually flower in the spring, but flowers may be found throughout the summer, especially where the plants are growing as opportunistic colonizers, as in the case of garden weeds. The water crowfoots (''Ranunculus'' subgenus ''Batrachium''), which grow in still or running water, are sometimes tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Near Threatened
A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify for the threatened status. The IUCN notes the importance of re-evaluating near-threatened taxon at appropriate intervals. The rationale used for near-threatened taxa usually includes the criteria of vulnerable which are plausible or nearly met, such as reduction in numbers or range. Near-threatened species evaluated from 2001 onwards may also be ones which are dependent on conservation efforts to prevent their becoming threatened, whereas before this conservation-dependent species were given a separate category ("Conservation Dependent"). Additionally, the 402 conservation-dependent taxa may also be considered near-threatened. IUCN Categories and Criteria version 2.3 Before 2001, the IUCN used the version 2.3 Categories and Criteri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vulnerable Species
A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature as being threatened with extinction unless the circumstances that are threatening its survival and reproduction improve. Vulnerability is mainly caused by habitat loss or destruction of the species' home. Vulnerable habitat or species are monitored and can become increasingly threatened. Some species listed as "vulnerable" may be common in captivity, an example being the military macaw. There are currently 5196 animals and 6789 plants classified as Vulnerable, compared with 1998 levels of 2815 and 3222, respectively. Practices such as cryoconservation of animal genetic resources have been enforced in efforts to conserve vulnerable breeds of livestock specifically. Criteria The International Union for Conservation of Nature uses several criteria to enter species in this category. A taxon is Vulnerable when it is not critically endangered or Endangered but is fa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ranunculion Fluitantis
Ranunculetum fluitantis is one of the 24 Aquatic plant communities A plant community is a collection or association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The components of each plant ... (A18) included in the British National Vegetation Classification (NVC). The vegetation type or community comprises stands of submerged vegetation dominated by clumps of River water crowfoot. Few other plants are found with any frequency among the denser stands but there can be ''Myriophyllum''; ''Potamogeton perfoliatus'' and patches of moss on submerged stones. J. S. Rodwell; ''British Plant Communities: Woodlands and Scrub'' Cambridge University Press, 1990 References British National Vegetation Classification aquatic communities {{NVC-A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wales
Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in 2021 of 3,107,500 and has a total area of . Wales has over of coastline and is largely mountainous with its higher peaks in the north and central areas, including Snowdon (), its highest summit. The country lies within the north temperate zone and has a changeable, maritime climate. The capital and largest city is Cardiff. Welsh national identity emerged among the Celtic Britons after the Roman withdrawal from Britain in the 5th century, and Wales was formed as a kingdom under Gruffydd ap Llywelyn in 1055. Wales is regarded as one of the Celtic nations. The conquest of Wales by Edward I of England was completed by 1283, though Owain Glyndŵr led the Welsh Revolt against English rule in the early 15th century, and briefly re-establis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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