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Justus Carl Hasskarl
Justus Carl Hasskarl (6 December 1811 – 5 January 1894) was a German explorer and botanist specializing in pteridophytes, bryophytes and spermatophytes. Biography Justus Carl Hasskarl was born in Kassel in the Kingdom of Westphalia. In his earlier life he studied at a Botanical Garden, Bonn, plant nursery in Poppelsdorf in 1827. In 1834 he studied natural history while at the same time preparing himself for an expedition to the tropics. In 1836, he traveled to Java and tried to make a living through his knowledge in physics and medicine, with little success. Subsequently, he sent a request to the governor general to work in the Bogor Botanical Gardens, National Botanical Garden and a year later he was appointed assistant curator. With director Johannes Elias Teijsmann, they rearranged their crops to taxonomic families, which would result in the displacement of many specimens in the botanical garden. Together they organized expeditions to various parts of modern Indonesi ...
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Kassel
Kassel (; in Germany, spelled Cassel until 1926) is a city on the Fulda River in North Hesse, northern Hesse, in Central Germany (geography), central Germany. It is the administrative seat of the Regierungsbezirk Kassel (region), Kassel and the district Kassel (district), of the same name, and had 201,048 inhabitants in December 2020. The former capital of the States of Germany, state of Hesse-Kassel, it has many palaces and parks, including the Bergpark Wilhelmshöhe, which is a UNESCO World Heritage Site. Kassel is also known for the ''documenta'' Art exhibition, exhibitions of contemporary art. Kassel has a Public university, public University of Kassel, university with 25,000 students (2018) and a multicultural population (39% of the citizens in 2017 had a migration background). History Kassel was first mentioned in 913 AD, as the place where two deeds were signed by King Conrad of Franconia, Conrad I. The place was called ''Chasella'' or ''Chassalla'' and was a fortifi ...
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Commelinaceae
Commelinaceae is a family of flowering plants. In less formal contexts, the group is referred to as the dayflower family or spiderwort family. It is one of five families in the order Commelinales and by far the largest of these with about 731 known species in 41 genera. Well known genera include '' Commelina'' (dayflowers) and '' Tradescantia'' (spiderworts). The family is diverse in both the Old World tropics and the New World tropics, with some genera present in both. The variation in morphology, especially that of the flower and inflorescence, is considered to be exceptionally high amongst the angiosperms. The family has always been recognized by most taxonomists. The APG III system of 2009 (unchanged from the APG system of 1998), also recognizes this family, and assigns it to the order Commelinales in the clade commelinids in the monocots. The family counts several hundred species of herbaceous plants. Many are cultivated as ornamentals. The stems of these plants are gene ...
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Members Of The Royal Netherlands Academy Of Arts And Sciences
The Royal Netherlands Academy of Arts and Sciences (Dutch language, Dutch: ''Koninklijke Nederlandse Akademie van Wetenschappen'', abbreviated: KNAW) is an organization dedicated to the advancement of science and literature in the Netherlands. The academy is housed in the Trippenhuis in Amsterdam. Founded in 1808, members are appointed for life by co-optation. Lists of members sorted alphabetically

* Members of the Royal Netherlands Academy of Arts and Sciences (A) * Members of the Royal Netherlands Academy of Arts and Sciences (B) * Members of the Royal Netherlands Academy of Arts and Sciences (C) * Members of the Royal Netherlands Academy of Arts and Sciences (D) * Members of the Royal Netherlands Academy of Arts and Sciences (E) * Members of the Royal Netherlands Academy of Arts and Sciences (F) * Members of the Royal Netherlands Academy of Arts and Sciences (G) * Members of the Royal Netherlands Academy of Arts and Sciences (H) * Members of the Royal Netherlands Academy of Ar ...
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19th-century German Explorers
The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). It was the 9th century of the 2nd millennium. It was characterized by vast social upheaval. Slavery was abolished in much of Europe and the Americas. The First Industrial Revolution, though it began in the late 18th century, expanded beyond its British homeland for the first time during the 19th century, particularly remaking the economies and societies of the Low Countries, France, the Rhineland, Northern Italy, and the Northeastern United States. A few decades later, the Second Industrial Revolution led to ever more massive urbanization and much higher levels of productivity, profit, and prosperity, a pattern that continued into the 20th century. The Catholic Church, in response to the growing influence and power of modernism, secularism and materialism, formed the First Vatican Council in the late 19th century to deal with such problems and confirm ce ...
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Explorers Of Indonesia
Exploration is the process of exploring, an activity which has some expectation of discovery. Organised exploration is largely a human activity, but exploratory activity is common to most organisms capable of directed locomotion and the ability to learn, and has been described in, amongst others, social insects foraging behaviour, where feedback from returning individuals affects the activity of other members of the group. Types Geographical Geographical exploration, sometimes considered the default meaning for the more general term exploration, is the practice of discovering lands and regions of the planet Earth remote or relatively inaccessible from the origin of the explorer. The surface of the Earth not covered by water has been relatively comprehensively explored, as access is generally relatively straightforward, but underwater and subterranean areas are far less known, and even at the surface, much is still to be discovered in detail in the more remote and inaccessib ...
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1894 Deaths
Events January * January 4 – A military alliance is established between the French Third Republic and the Russian Empire. * January 7 – William Kennedy Dickson receives a patent for motion picture film in the United States. * January 9 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard, in Lexington, Massachusetts. February * February 12 – French anarchist Émile Henry sets off a bomb in a Paris café, killing one person and wounding twenty. * February 15 ** In Korea, peasant unrest erupts in the Donghak Peasant Revolution, a massive revolt of followers of the Donghak movement. Both China and Japan send military forces, claiming to come to the ruling Joseon dynasty government's aid. ** French anarchist Martial Bourdin dies of an accidental detonation of his own bomb, next to the Royal Observatory, Greenwich, in London, England. March * March 1 – The Local Government Act (coming into effe ...
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1811 Births
Events January–March * January 8 – An 1811 German Coast Uprising, unsuccessful slave revolt is led by Charles Deslondes, in St. Charles and St. James Parishes, Louisiana. * January 17 – Mexican War of Independence – Battle of Calderón Bridge: A heavily outnumbered Spanish force of 6,000 troops defeats nearly 100,000 Mexican revolutionaries. * January 22 – The Juan Bautista de las Casas, Casas Revolt begins in San Antonio, Spanish Texas. * February 5 – British Regency: George IV of the United Kingdom, George, Prince of Wales becomes prince regent, because of the perceived insanity of his father, King George III of the United Kingdom. * February 19 – Peninsular War – Battle of the Gebora: An outnumbered French force under Édouard Mortier, duc de Trévise, Édouard Mortier routs and nearly destroys the Spanish, near Badajoz, Spain. * March 1 – Citadel Massacre in Cairo: Egyptian ruler Muhammad Ali of Egypt, Muhammad Al ...
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19th-century German Botanists
The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). It was the 9th century of the 2nd millennium. It was characterized by vast social upheaval. Slavery was abolished in much of Europe and the Americas. The First Industrial Revolution, though it began in the late 18th century, expanded beyond its British homeland for the first time during the 19th century, particularly remaking the economies and societies of the Low Countries, France, the Rhineland, Northern Italy, and the Northeastern United States. A few decades later, the Second Industrial Revolution led to ever more massive urbanization and much higher levels of productivity, profit, and prosperity, a pattern that continued into the 20th century. The Catholic Church, in response to the growing influence and power of modernism, secularism and materialism, formed the First Vatican Council in the late 19th century to deal with such problems and confirm c ...
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List Of Botanists By Author Abbreviation
__NOTOC__ A * Aa – Hubertus Antonius van der Aa (1935–2017) * A.A.Burb. – Andrew A. Burbidge (floruit, fl. 2016) * A.A.Cocucci – (born 1959) * A.A.Eaton – Alvah Augustus Eaton (1865–1908) * A.A.Fisch.Waldh. – Alexandr Alexandrovich Fischer von Waldheim (1839–1920) * A.Agostini – Angela Agostini (born 1880) * A.A.Ham. – Arthur Andrew Hamilton (1855–1929) * A.A.Hend. – A. A. Henderson, Andrew Augustus Henderson (1816–1876) * A.Ames – Adeline Ames (1879–1976) * A.Anderson – Alexander Anderson (botanist), Alexander Anderson (1748–1811) * A.Arber – Agnes Arber (1879–1960) * Aarons. – Aaron Aaronsohn (1876–1919) * Aase – Hannah Caroline Aase (1883–1980) * A.Barbero – Andrés Barbero (1877–1951) * A.Bassi – Agostino Bassi (1773–1856) * A.Baytop – Asuman Baytop (1920–2015) * Abbayes – Henry Nicollon des Abbayes (1898–1974) * Abbiatti – Delia Abbiatti (born 1918) * Abbot – John Abbot (entomologist), John Abbot (1751–c. ...
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Euphorbiaceae
Euphorbiaceae (), the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of Euphorbia, the type genus of the family. Most spurges, such as ''Euphorbia paralias'', are herbaceous plant, herbs, but some, especially in the tropics, are shrubs or trees, such as ''Hevea brasiliensis''. Some, such as ''Euphorbia canariensis'', are succulent and resemble cactus, cacti because of convergent evolution. This family has a Cosmopolitan distribution, cosmopolitan global distribution. The greatest diversity of species is in the tropics; however, the Euphorbiaceae also have many species in nontropical areas of all continents except Antarctica. Description The Leaf, leaves are alternate, seldom opposite, with stipules. They are mainly simple, but where compound, are always palmate, never pinnate. Stipules may be reduced to trichome#Plant trichomes, hairs, glands, or spine (botany), spines, or in succulent specie ...
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Hasskarlia
''Tetrorchidium'' is a genus of flowering plants in the family Euphorbiaceae Euphorbiaceae (), the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of Euphorbia, the type genus of the family. Most spurges, such as ''Euphorbia paralias'', ar ... first described in 1841. It is native to tropical portions of Africa and the Western Hemisphere.Murillo-A., J.C. (2009). El género ''Tetrorchidium'' (Euphorbiaceae) en Colombia y Ecuador. Caldasia 31: 213-225. ;Species References {{Taxonbar, from=Q7706835 Adenoclineae Euphorbiaceae genera Taxa named by Eduard Friedrich Poeppig ...
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Royal Netherlands Academy Of Arts And Sciences
The Royal Netherlands Academy of Arts and Sciences (, KNAW) is an organization dedicated to the advancement of science and literature in the Netherlands. The academy is housed in the Trippenhuis in Amsterdam. In addition to various advisory and administrative functions it operates a number of research institutes and awards many prizes, including the Lorentz Medal in theoretical physics, the Dr Hendrik Muller Prize for Behavioural and Social Science and the Heineken Prizes. Main functions The academy advises the Dutch government on scientific matters. While its advice often pertains to genuine scientific concerns, it also counsels the government on such topics as policy on careers for researchers or the Netherlands' contribution to major international projects. The academy offers solicited and unsolicited advice to parliament, ministries, universities and research institutes, funding agencies and international organizations. * Advising the government on matters related to ...
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