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Paysonia Lyrata
''Paysonia lyrata'' is a rare species of flowering plant in the family Brassicaceae known by the common name lyreleaf bladderpod. It is endemic to Alabama in the United States, where it is known from only three occurrences.USFWS''Lesquerella lyrata'' Five-year Review.April 2009. It is federally listed as a threatened species. This is an annual herb growing mostly erect to a height of 10 to 30 centimeters. The hairy leaves are up to 7 centimeters in length, the lowest ones largest and sometimes lyrate (lyre-shaped). The flowers have bright yellow petals 5 to 7 millimeters in length.''Lesquerella lyrata''. Flora of North America. There is one occurrence in each of three Alabama counties, Colbert, [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reed Clark Rollins
Reed Clark Rollins (7 December 191128 April 1998) was an American botanist, professor at Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ... and one of the founders of both the International Association for Plant TaxonomyCowan, R. S. and Stafleu, F. A. (1982) "The origin and early history of IAPT" ''Taxon'' 31(3): pp. 415–420 and the Organization for Tropical Studies. He was also the second president of each of them. accessed 6 April 2009 Sources * Al- ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cedar Glade
A calcareous glade is a type of ecological community that is found in the central Eastern United States. Calcareous glades occur where bedrock such as limestone occurs near or at the surface, and have very shallow and little soil development. Due to the shallow soil and the extreme conditions created by it, trees are often unable to grow in the glades. This creates a habitat that is usually sunny, dry, and hot. Calcareous glade vegetation is more similar to that of a desert habitat than a grassland, being dominated by small spring annuals with occasional geophytic or succulent perennials. The usage of the words "glades" and "barrens" to describe dry, rocky communities in the United States is not uniform, and the terms are often used interchangeably. Calcareous glade communities can intergrade with dry rocky prairies, particularly in sloping habitats. Due to their unsuitability for agriculture, glade communities have survived to the present day at a higher rate than deeper-soil pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Alabama
The geography of Alabama describes a state in the Southeastern United States in North America. It extends from high mountains to low valleys and sandy beaches. Alabama is 30th in size and borders four U.S. states: Mississippi, Tennessee, Georgia, and Florida. It also borders the Gulf of Mexico. Physical features Extending entirely across the state of Alabama for about northern boundary, and in the middle stretching farther north, is the Cumberland Plateau, or Tennessee Valley region, broken into broad tablelands by the dissection of rivers. In the northern part of this plateau, west of Jackson county, there are about of level highlands from above sea level. South of these highlands, occupying a narrow strip on each side of the Tennessee River, is a country of gentle rolling lowlands varying in elevation from . To the northeast of these highlands and lowlands is a rugged section with steep mountain-sides, deep narrow coves and valleys, and flat mountain-tops. Its elevation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paysonia
''Paysonia'' is a genus of flowering plants in the family Brassicaceae. They are generally referred to by the common name bladderpod or mustard. The genus is found in southern North America. Until 2002 it was considered to be part of the genus '' Lesquerella'' but was separated based on genetic and morphological features. Species include: *'' Paysonia auriculata'' *'' Paysonia densipila'' *'' Paysonia grandifloa'' *''Paysonia lasiocarpa'' *'' Paysonia lescurii'' *''Paysonia lyrata ''Paysonia lyrata'' is a rare species of flowering plant in the family Brassicaceae known by the common name lyreleaf bladderpod. It is endemic to Alabama in the United States, where it is known from only three occurrences.USFWS''Lesquerella lyra ...'' *'' Paysonia perforata'' *'' Paysonia stonensis'' References {{Taxonbar, from=Q7156912 Brassicaceae genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ecological Succession
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire) or more or less. Bacteria allows for the cycling of nutrients such as carbon, nitrogen and sulphur. The community begins with relatively few pioneering plants and animals and develops through increasing complexity until it becomes stable or self-perpetuating as a climax community. The "engine" of succession, the cause of ecosystem change, is the impact of established organisms upon their own environments. A consequence of living is the sometimes subtle and sometimes overt alteration of one's own environment. Succession is a process by which an ecological community undergoes more or less orderly and predictable changes following a disturbance or the initial colonization of a new habitat. Succession may be initiated either by formation of new, unoccupied habitat, such as from a lava flow or a severe lan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Bison
The American bison (''Bison bison'') is a species of bison native to North America. Sometimes colloquially referred to as American buffalo or simply buffalo (a different clade of bovine), it is one of two extant species of bison, alongside the European bison. Its historical range, by 9000 BC, is described as the great bison belt, a tract of rich grassland that ran from Alaska to the Gulf of Mexico, east to the Atlantic Seaboard (nearly to the Atlantic tidewater in some areas) as far north as New York, south to Georgia and, according to some sources, further south to Florida, with sightings in North Carolina near Buffalo Ford on the Catawba River as late as 1750. Once roaming in vast herds, the species nearly became extinct by a combination of commercial hunting and slaughter in the 19th century and introduction of bovine diseases from domestic cattle. With a population in excess of 60 million in the late 18th century, the species was culled down to just 541 animals by 1889. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wildfire
A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of Combustibility and flammability, combustible vegetation. Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire(bushfires in Australia, in Australia), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or veld fire. Fire ecology, Some natural forest ecosystems depend on wildfire. Wildfires are distinct from beneficial human usage of wildland fire, called controlled burn, controlled burning, although controlled burns can turn into wildfires. Fossil charcoal indicates that wildfires began soon after the appearance of terrestrial plants approximately 419 million years ago during the Silurian period. Earth's carbon-rich vegetation, seasonally dry climates, atmospheric oxygen, and widespread lightning and volcanic ignitions create favorable conditions for fires. The occurre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...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] |
Brassicaceae
Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The leaves are simple (although are sometimes deeply incised), lack stipules, and appear alternately on stems or in rosettes. The inflorescences are terminal and lack bracts. The flowers have four free sepals, four free alternating petals, two shorter free stamens and four longer free stamens. The fruit has seeds in rows, divided by a thin wall (or septum). The family contains 372 genera and 4,060 accepted species. The largest genera are ''Draba'' (440 species), ''Erysimum'' (261 species), ''Lepidium'' (234 species), ''Cardamine'' (233 species), and ''Alyssum'' (207 species). The family contains the cruciferous vegetables, including species such as ''Brassica oleracea'' (cultivated as cabbage, kale, cauliflower, broccoli and collards), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lawrence County, Alabama
Lawrence County is a county in the northern part of the U.S. state of Alabama. As of the 2020 census, the population was 33,073. The county seat is Moulton. The county was named after James Lawrence, a captain in the United States Navy from New Jersey. Lawrence County is included in the Decatur, AL Metropolitan Statistical Area, which is also included in the Huntsville-Decatur-Albertville, AL Combined Statistical Area. History For thousands of years, this area was inhabited by differing cultures of indigenous peoples. People of the Copena culture in the Middle Woodland period (1–500 CE) built complex earthworks as part of their religious and political system. Their burial mound and ceremonial platform mound, the largest in the state, are preserved at Oakville Indian Mounds Park and Museum. The museum includes exhibits on the Cherokee, an Iroquoian-speaking people who inhabited the area at the time of European encounter. Other historic Native American tribes in this sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franklin County, Alabama
Franklin County is a county located in the U.S. state of Alabama. As of the 2020 census, the population was 32,113. Its county seat is Russellville. Its name is in honor of Benjamin Franklin, famous statesman, scientist, and printer. It is a dry county, although the city of Russellville is wet. History Franklin County was established on February 6, 1818. Colbert County Colbert County was originally established on February 6, 1867, after it split from Franklin County over political issues after the American Civil War. It was abolished eight months later by an Alabama constitutional convention and then reestablished on February 24, 1870. Musical history Many musicians and songwriters are from Franklin County including Billy Sherrill, Ricky Pierce, Eddie Martin and many others. Geography According to the United States Census Bureau, the county has a total area of , of which is land and (2.0%) is water. Adjacent Counties *Colbert County (north) * Lawrence County (east) * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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