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Frankenia Johnstonii
''Frankenia johnstonii'' is a species of flowering plant known by the common name Johnston's seaheath, or Johnston's frankenia. It is native to southern Texas in the United States and northern Nuevo León in Mexico, where there are about 30 occurrences known.''Frankenia johnstonii''. . The plant was federally listed as an in the United States in 1984.USFWS [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donovan Stewart Correll
Donovan "Don" Stewart Correll (13 April 1908, Wilson, North Carolina – 28 March 1983, Miami, Florida) was an American botanist, plant collector, and plant taxonomist, specializing in orchids. Biography Correll grew up in North Carolina. For two years, before entering college, he took voice lessons and sang solos in church and on radio. He also spent a year doing various jobs in Florida. At Duke University, he graduated with A.B. in 1934, A.M. in 1936, and Ph.D. in 1939. Some of his doctoral work was done at Harvard University, where he worked under the orchidologist Oakes Ames, who introduced him to economic botany. At Harvard, Correll was financially assisted by the Anna C. Ames Memorial Scholarship. In 1937 he married Helen Elizabeth Butts (1907–2000). She received her Ph.D. in zoology from Duke University in 1934. She worked extensively on botany with her husband and became an expert on grasses and sedges. He was from 1939 to 1943 a research associate at the Harvard Univ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Texas
Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by both List of U.S. states and territories by area, area (after Alaska) and List of U.S. states and territories by population, population (after California). Texas shares borders with the states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexico, Mexican States of Mexico, states of Chihuahua (state), Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest; and has a coastline with the Gulf of Mexico to the southeast. Houston is the List of cities in Texas by population, most populous city in Texas and the List of United States cities by population, fourth-largest in the U.S., while San Antonio is the second most pop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuevo León
Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a total land area of 64,555 square kilometers (40,112 square miles), Nuevo León is the 13th largest federal entity in Mexico. The state is bordered by Tamaulipas to the east, Coahuila to the west, and both Zacatecas and San Luis Potosi to the south. To the north, it shares an international border with the U.S. state of Texas. The Laredo-Colombia Solidarity International Bridge is the only vehicular bridge that connects the United States with the state of Nuevo León. It crosses over the Rio Grande (Rio Bravo) between the city of Colombia, Nuevo León, and Laredo, Texas. Nuevo Léon is the seventh largest state in terms of population with an estimated population of 5.78 million people in 2020. The state's most populous city is Monterrey ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Nature Conservancy
The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in 1951, The Nature Conservancy has over one million members globally , and has protected more than of land in its history. , it is the largest environmental non-profit organization by assets and revenue in the Americas. History The Nature Conservancy developed out of a scholarly organization initially known as the Ecological Society of America (ESA). The ESA was founded in 1915, and later formed a Committee on Preservation of Natural Areas for Ecological Study, headed by Victor Shelford.Our History ". The Nature Conservancy. nature.org. Retrieved December 18, 2016. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endangered Species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and invasive species. The International Union for Conservation of Nature (IUCN) Red List lists the global conservation status of many species, and various other agencies assess the status of species within particular areas. Many nations have laws that protect conservation-reliant species which, for example, forbid hunting, restrict land development, or create protected areas. Some endangered species are the target of extensive conservation efforts such as captive breeding and habitat restoration. Human activity is a significant cause in causing some species to become endangered. Conservation status The conservation status of a species indicates the likelihood that it will become extinct. Multiple factors are considered when assessing the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple stems and shorter height, less than tall. Small shrubs, less than 2 m (6.6 ft) tall are sometimes termed as subshrubs. Many botanical groups have species that are shrubs, and others that are trees and herbaceous plants instead. Some definitions state that a shrub is less than and a tree is over 6 m. Others use as the cut-off point for classification. Many species of tree may not reach this mature height because of hostile less than ideal growing conditions, and resemble a shrub-sized plant. However, such species have the potential to grow taller under the ideal growing conditions for that plant. In terms of longevity, most shrubs fit in a class between perennials and trees; some may only last about five y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gypsum
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk, and drywall. Alabaster, a fine-grained white or lightly tinted variety of gypsum, has been used for sculpture by many cultures including Ancient Egypt, Mesopotamia, Ancient Rome, the Byzantine Empire, and the Nottingham alabasters of Medieval England. Gypsum also crystallizes as translucent crystals of selenite. It forms as an evaporite mineral and as a hydration product of anhydrite. The Mohs scale of mineral hardness defines gypsum as hardness value 2 based on scratch hardness comparison. Etymology and history The word ''gypsum'' is derived from the Greek word (), "plaster". Because the quarries of the Montmartre district of Paris have long furnished burnt gypsum (calcined gypsum) used for various purposes, this dehydrated gypsum became known ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halophile
The halophiles, named after the Greek word for "salt-loving", are extremophiles that thrive in high salt concentrations. While most halophiles are classified into the domain Archaea, there are also bacterial halophiles and some eukaryotic species, such as the alga ''Dunaliella salina'' and fungus ''Wallemia ichthyophaga''. Some well-known species give off a red color from carotenoid compounds, notably bacteriorhodopsin. Halophiles can be found in water bodies with salt concentration more than five times greater than that of the ocean, such as the Great Salt Lake in Utah, Owens Lake in California, the Urmia Lake in Iran, the Dead Sea, and in evaporation ponds. They are theorized to be a possible analogues for modeling extremophiles that might live in the salty subsurface water ocean of Jupiter's Europa and similar moons. Classification Halophiles are categorized by the extent of their halotolerance: slight, moderate, or extreme. Slight halophiles prefer 0.3 to 0.8 M (1.7 to 4.8%†... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Varilla Texana , a surname
{{Disambiguation, surname ...
Varilla may refer to: * ''Varilla'' (plant), a genus of plants in the family Asteraceae *Varilla, Kentucky People with the name Varilla *Appuleia Varilla ( fl. 17) the only daughter of Sextus Appuleius and Quinctilla, the sister of Publius Quinctillius Varus *Hay–Bunau-Varilla Treaty, signed on November 18, 1903, two weeks after Panama's independence from Colombia *Maurice Bunau-Varilla (1856–1944), French press magnate, proprietor of the newspaper ''Le Matin'' *Philippe-Jean Bunau-Varilla (1859–1940), French engineer and soldier See also *Varillas Varillas is a surname. Notable people with the surname include: *Antoine Varillas (1624–1696), French historian * Gizmo Varillas (born 1990), Spanish songwriter, musician, and record producer *Juan Pablo Varillas Juan Pablo Varillas Patiño- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petroleum Exploration
Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for deposits of hydrocarbons, particularly petroleum and natural gas, in the Earth#Crust, Earth using petroleum geology. Exploration methods Visible surface features such as oil seeps, natural gas seeps, Pockmark (geology), pockmarks (underwater craters caused by escaping gas) provide basic evidence of hydrocarbon generation (be it shallow or deep in the Earth). However, most exploration depends on highly sophisticated technology to detect and determine the extent of these deposits using exploration geophysics. Areas thought to contain hydrocarbons are initially subjected to a gravimeter, gravity survey, magnetometer, magnetic survey, passive seismic or regional Reflection seismology, seismic reflection surveys to detect large-scale features of the sub-surface geology. Features of interest (known as ''leads'') are subjected to more detailed seismic surveys which work on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frankenia
''Frankenia'' (sea heath) is the only genus in the Frankeniaceae family of flowering plants. Other genera have been recognized within the family, such as ''Anthobryum'', ''Hypericopsis'' and ''Niederleinia'', but molecular phylogenetic studies have consistently shown that they all belong inside ''Frankenia''. ''Frankenia'' comprises about 70–80 species of shrubs, subshrubs and herbaceous plants, adapted to saline and dry environments throughout temperate and subtropical regions. A few species are in cultivation as ornamental plants. Description ''Frankenia'' species are salt tolerant (halophytic) or drought tolerant (xerophytic) shrubs, subshrubs or herbaceous plants. They have opposite, simple leaves, generally small and somewhat heather-like, and often with salt-excreting glands in sunken pits. Their flowers are small, either solitary or borne in various kinds of cyme. Each flower has four to seven sepals, joined at the base into a tube, and four to seven overlapping pet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Texas
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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