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R.D.Spencer
Roger David Spencer (born 6 October 1945) is an Australia horticultural botanist who was born at Alfreton, Derbyshire. He has an honours degree in botany from the University College of Wales, Aberystwyth, a master's degree and doctorate from the University of Melbourne (in phycology) and a technical certificate in gardening and turf maintenance from Oakleigh Technical College, Melbourne. He is currently horticultural botanist at the Royal Botanic Gardens Melbourne where he works in the Plant Identification Service, contributing locally and internationally to the study of cultivated plant taxonomy. He has written popular articles on horticultural taxonomy for various journals and newspapers and has a regular column on plant names for ''Australian Horticulture''. He has also written books on topics including landscape conservation, elms and silver foliage plants. Between 1995 and 2005 he compiled the five-volume Horticultural Flora of South-eastern Australia. He is the co-auth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Horticultural Botany
Horticultural botany is the study of the botany of current and potential cultivated plants, with emphasis on the ornamental plants of horticulture, by a horticultural botanist or ''plantsman''—plantsperson." Horticultural botanists Professional horticultural botanists are employed by botanical gardens, large plant nurseries, university departments, and government agencies. The activities vary according to the mission goals and priorities of the institutions. :Duties can include: *searching for new plants suitable for cultivation (''plant hunting''), *communicating with and advising the general public on matters concerning the classification and botanical nomenclature of cultivated plants, *carrying out original research on these topics: **describing the cultivated plants and their history of particular regions in horticultural floras, **recording new plant introductions; *maintaining databases of cultivated plants; *curating horticultural herbaria, including col ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Horticultural Taxonomy
Cultivated plant taxonomy is the study of the theory and practice of the science that identifies, describes, classifies, and names cultigens—those plants whose origin or selection is primarily due to intentional human activity. Cultivated plant taxonomists do, however, work with all kinds of plants in cultivation. Cultivated plant taxonomy is one part of the study of horticultural botany which is mostly carried out in botanical gardens, large nurseries, universities, or government departments. Areas of special interest for the cultivated plant taxonomist include: searching for and recording new plants suitable for cultivation ( plant hunting); communicating with and advising the general public on matters concerning the classification and nomenclature of cultivated plants and carrying out original research on these topics; describing the cultivated plants of particular regions ( horticultural floras); maintaining databases, herbaria and other information about cultivate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1945 Births
1945 marked the end of World War II and the fall of Nazi Germany and the Empire of Japan. It is also the only year in which Nuclear weapon, nuclear weapons Atomic bombings of Hiroshima and Nagasaki, have been used in combat. Events Below, the events of World War II have the "WWII" prefix. January * January 1 – WWII: ** Nazi Germany, Germany begins Operation Bodenplatte, an attempt by the ''Luftwaffe'' to cripple Allies of World War II, Allied air forces in the Low Countries. ** Chenogne massacre: German prisoners are allegedly killed by American forces near the village of Chenogne, Belgium. * January 6 – WWII: A German offensive recaptures Esztergom, Kingdom of Hungary (1920–1946), Hungary from the Russians. * January 12 – WWII: The Soviet Union begins the Vistula–Oder Offensive in Eastern Europe, against the German Army (Wehrmacht), German Army. * January 13 – WWII: The Soviet Union begins the East Prussian Offensive, to eliminate German forces in East Pruss ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Botanists With Author Abbreviations
This is a list of botanists who have Wikipedia articles, in alphabetical order by surname. The List of botanists by author abbreviation is mostly a list of plant taxonomists because an author receives a standard abbreviation only when that author originates a new plant name. Botany is one of the few sciences which can boast, since the Middle Ages, of a substantial participation by women. A *Erik Acharius *Julián Acuña Galé * Johann Friedrich Adam *Carl Adolph Agardh *Jacob Georg Agardh *Nikolaus Ager *William Aiton *Frédéric-Louis Allamand * Carlo Allioni *Prospero Alpini * Benjamin Alvord *Adeline Ames *Eliza Frances Andrews *Agnes Arber *Giovanni Arcangeli *David Ashton *William Guybon Atherstone *Anna Atkins * Daniel E. Atha * Armen Takhtajan B * Ernest Brown Babcock *Churchill Babington *Curt Backeberg *James Eustace Bagnall *Jacob Whitman Bailey * Liberty Hyde Bailey *Ibn al-Baitar *Giovanni Battista Balbis *John Hutton Balfour * Joseph Banks * César Bar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Botanists
This is a list of botanists who have Wikipedia articles, in alphabetical order by surname. The List of botanists by author abbreviation is mostly a list of plant taxonomists because an author receives a standard abbreviation only when that author originates a new plant name. Botany is one of the few sciences which can boast, since the Middle Ages, of a substantial participation by women. A *Erik Acharius *Julián Acuña Galé *Johann Friedrich Adam *Carl Adolph Agardh *Jacob Georg Agardh *Nikolaus Ager *William Aiton *Frédéric-Louis Allamand *Carlo Allioni *Prospero Alpini * Benjamin Alvord *Adeline Ames *Eliza Frances Andrews *Agnes Arber *Giovanni Arcangeli *David Ashton *William Guybon Atherstone *Anna Atkins * Daniel E. Atha *Armen Takhtajan B * Ernest Brown Babcock *Churchill Babington *Curt Backeberg *James Eustace Bagnall *Jacob Whitman Bailey *Liberty Hyde Bailey *Ibn al-Baitar *Giovanni Battista Balbis *John Hutton Balfour *Joseph Banks *César Barbosa *B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Cultivar Registration Authority
The Australian Cultivar Registration Authority (ACRA) is the International Cultivar Registration Authority (ICRA) for Australian plant genera, excluding those genera or groups for which other ICRAs have been appointed. It is a committee of representatives of each state's botanic gardens, the Society for Growing Australian Plants, and the Nursery Industry Association of Australia. Founded in 1963, it is responsible for the registration and publication of cultivar names of Australian native plants, in accordance with the International Code of Nomenclature for Cultivated Plants The ''International Code of Nomenclature for Cultivated Plants'' (ICNCP), is a guide to the rules and regulations for naming cultigens, plants whose origin or selection is primarily due to intentional human activity. It is also known as Cultivate .... It also advises on plant breeders rights, and registers plant varieties declared under the Plant Breeder's Rights Act 1994. References {{reflist Bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Horticultural Flora
A horticultural flora, also known as a garden flora, is a plant identification aid structured in the same way as a native plants flora. It serves the same purpose: to facilitate plant identification; however, it only includes plants that are under cultivation as ornamental plants growing within the prescribed climate zone or region. Traditionally published in book form, often in several volumes, such floras are increasingly likely to be produced as websites or CD ROMs. Scope and contents Horticultural floras include both cultigens (plants deliberately altered in some way by human activity) and those wild plants brought directly into cultivation that do not have cultigen names. They might also include colour images and useful information specific to the zone or region including: * historical details about outstanding public and private cultivated plant collections * exceptional trees (age, history, rarity, size etc.) * prominent nurserymen and plant breeders * references to the taxono ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cultivated Plant Taxonomy
Cultivated plant taxonomy is the study of the theory and practice of the science that identifies, describes, classifies, and names cultigens—those plants whose origin or selection is primarily due to intentional human activity. Cultivated plant taxonomists do, however, work with all kinds of plants in cultivation. Cultivated plant taxonomy is one part of the study of horticultural botany which is mostly carried out in botanical gardens, large nurseries, universities, or government departments. Areas of special interest for the cultivated plant taxonomist include: searching for and recording new plants suitable for cultivation ( plant hunting); communicating with and advising the general public on matters concerning the classification and nomenclature of cultivated plants and carrying out original research on these topics; describing the cultivated plants of particular regions (horticultural floras); maintaining databases, herbaria and other information about cultivated plant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfreton
Alfreton ( ) is a town and civil parish in the Amber Valley district of Derbyshire, England. The town was formerly a Norman Manor and later an Urban District. The population of the Alfreton parish was 7,971 at the 2011 Census. The villages of Ironville, Riddings, Somercotes and Swanwick were historically part of the Manor and Urban District, and the population including these was 24,476 in 2001. History Alfreton is said to have been founded by King Alfred and to have derived its name from him. The placename appears in different forms throughout the ages, such as 'Elstretune' in Domesday, but the earliest record appears to occur in CE1004 in the will of Wulfric Spott, the founder of Burton Abbey. Amongst his bequests was 'Aelfredingtune', or 'Alfred's farmstead', which is believed to relate to Alfreton. However, there is no evidence that this Alfred was the aforementioned king. To the southwest near Pentrich was a Roman fortlet on the major road known as Ryknield Street. Anothe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Botanic Gardens Melbourne
Royal Botanic Gardens Victoria are botanic gardens across two sites–Melbourne and Cranbourne. Melbourne Gardens was founded in 1846 when land was reserved on the south side of the Yarra River for a new botanic garden. It extends across that slope to the river with trees, garden beds, lakes and lawns. It displays almost 50,000 individual plants representing 8,500 different species. These are displayed in 30 living plant collections. Cranbourne Gardens was established in 1970 when land was acquired by the Gardens on Melbourne's south-eastern urban fringe for the purpose of establishing a garden dedicated to Australian plants. A generally wild site that is significant for biodiversity conservation, it opened to the public in 1989. On the site, visitors can explore native bushland, heathlands, wetlands and woodlands. One of the features of Cranbourne is the Australian Garden, which celebrates Australian landscapes and flora through the display of approximately 170,000 plan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phycology
Phycology () is the scientific study of algae. Also known as algology, phycology is a branch of life science. Algae are important as primary producers in aquatic ecosystems. Most algae are eukaryotic, photosynthetic organisms that live in a wet environment. They are distinguished from the higher plants by a lack of true roots, stems or leaves. They do not produce flowers. Many species are single-celled and microscopic (including phytoplankton and other microalgae); many others are multicellular to one degree or another, some of these growing to large size (for example, seaweeds such as kelp and ''Sargassum''). Phycology includes the study of prokaryotic forms known as blue-green algae or cyanobacteria. A number of microscopic algae also occur as symbionts in lichens. Phycologists typically focus on either freshwater or ocean algae, and further within those areas, either diatoms or soft algae. History of phycology While both the ancient Greeks and Romans knew of algae, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
