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G. Ledyard Stebbins

Index G. Ledyard Stebbins

George Ledyard Stebbins Jr. (January 6, 1906 – January 19, 2000) was an American botanist and geneticist who is widely regarded as one of the leading evolutionary biologists of the 20th century. [1]

114 relations: Acadia National Park, Adaptive radiation, American Academy of Arts and Sciences, American Journal of Botany, American Philosophical Society, Annual plant, Antennaria, Apomixis, Åke Gustafsson, Barbara McClintock, Barley, Bay Area Biosystematists, Biogeography, Biographical Memoirs of Fellows of the Royal Society, Biological Sciences Curriculum Study, Botany, C. D. Darlington, California Native Plant Society, Calystegia stebbinsii, Carpinteria, California, Cate School, Cell biology, Charles Darwin, Chromosomal crossover, Chromosome, Colchicine, Colgate University, Columbia University, Crepis, David D. Keck, Davis, California, Developmental biology, Doctor of Philosophy, Drosophila melanogaster, E. B. Babcock, E. C. Jeffrey, Edgar Anderson, Ehrharta erecta, Elymus stebbinsii, Emeritus, Episcopal Church (United States), Ernst Mayr, Evolutionary biology, Family (biology), Flowering plant, Flowering Plants: Evolution Above the Species Level, Francisco J. Ayala, Göte Turesson, Gene, Genetic recombination, ..., Genetic variation, Geneticist, Genetics, Genetics and the Origin of Species, Genotype, Harmonia stebbinsii, Harvard University, Harvard University Press, Herbert G. Baker, Hybrid (biology), Iris (plant), James W. Valentine, Jens Clausen, Karl Sax, Lake Berryessa, Lamarckism, Lawrence, St. Lawrence County, New York, Leidy Award, Lewisia stebbinsii, Linnean Medal, Linnean Society of London, Lomatium stebbinsii, Master of Arts, Merritt Lyndon Fernald, Model organism, Modern synthesis (20th century), Monograph, Monterey, California, Mount Desert, Maine, National Academy of Sciences, National Medal of Science, Natural history, Natural selection, Ornithology, Peabody Museum of Natural History, Peony, Perennial plant, Phenotype, Phylogenetic tree, Plant taxonomy, Poaceae, Polyploid, Polyploid complex, Population genetics, Ralph Hoffmann, Rockefeller Foundation, Santa Barbara, California, Sierra Club, Society for the Study of Evolution, Speciation, Species, Stebbins Cold Canyon Reserve, Systematics and the Origin of Species, The American Naturalist, Theodosius Dobzhansky, Thomas Hunt Morgan, Tuberculosis, Unitarianism, University of California Natural Reserve System, University of California, Berkeley, University of California, Davis, Variation and Evolution in Plants, William Hiesey, Youngia. Expand index (64 more) »

Acadia National Park

Acadia National Park is an American national park located in the state of Maine, southwest of Bar Harbor.

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Adaptive radiation

In evolutionary biology, adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.

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American Academy of Arts and Sciences

The American Academy of Arts and Sciences is one of the oldest learned societies in the United States of America.

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American Journal of Botany

The American Journal of Botany is a monthly peer-reviewed scientific journal which covers all aspects of plant biology.

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American Philosophical Society

The American Philosophical Society (APS), founded in 1743 and located in Philadelphia, is an eminent scholarly organization of international reputation that promotes useful knowledge in the sciences and humanities through excellence in scholarly research, professional meetings, publications, library resources, and community outreach.

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Annual plant

An annual plant is a plant that completes its life cycle, from germination to the production of seeds, within one year, and then dies.

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Antennaria

Antennaria is a genus of herbaceous perennial plants in the family Asteraceae, native to temperate regions of the Northern Hemisphere, with one species (A. chilensis) in temperate southern South America; the highest species diversity is in North America.

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Apomixis

In botany, apomixis was defined by Hans Winkler as replacement of the normal sexual reproduction by asexual reproduction, without fertilization.

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Åke Gustafsson

Karl Åke Torsten Gustafsson (1908–1988) was a Swedish botanist and geneticist, who was also known as an essayist and poet.

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Barbara McClintock

Barbara McClintock (June 16, 1902 – September 2, 1992) was an American scientist and cytogeneticist who was awarded the 1983 Nobel Prize in Physiology or Medicine.

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Barley

Barley (Hordeum vulgare), a member of the grass family, is a major cereal grain grown in temperate climates globally.

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Bay Area Biosystematists

The Bay Area Biosystematists is a group of biologists, geneticists, paleontologists, and systematists that are also interested in evolution.

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Biogeography

Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time.

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Biographical Memoirs of Fellows of the Royal Society

The Biographical Memoirs of Fellows of the Royal Society is an academic journal on the history of science published annually by the Royal Society.

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Biological Sciences Curriculum Study

Biological Sciences Curriculum Study (BSCS) is an educational center that develops curricular materials, provides educational support, and conducts research and evaluation in the fields of science and technology.

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Botany

Botany, also called plant science(s), plant biology or phytology, is the science of plant life and a branch of biology.

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C. D. Darlington

Cyril Dean Darlington FRS (19 December 1903 – 26 March 1981) was an English biologist, geneticist and eugenicist, who discovered the mechanics of chromosomal crossover, its role in inheritance, and therefore its importance to evolution.

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California Native Plant Society

The California Native Plant Society (CNPS) is a California environmental non-profit organization (501(c)3) that seeks to increase understanding of California's native flora and to preserve it for future generations.

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Calystegia stebbinsii

Calystegia stebbinsii is a rare species of morning glory known by the common name Stebbins' false bindweed.

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Carpinteria, California

Carpinteria is a small oceanside city located in southeastern Santa Barbara County, California, east of Santa Barbara and northwest of Ventura.

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Cate School

Cate School is a highly selective, coeducational, independent school for boarding and day students in the 9th through 12th grade located in Carpinteria, California, eleven miles from Santa Barbara.

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Cell biology

Cell biology (also called cytology, from the Greek κυτος, kytos, "vessel") is a branch of biology that studies the structure and function of the cell, the basic unit of life.

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Charles Darwin

Charles Robert Darwin, (12 February 1809 – 19 April 1882) was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution.

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Chromosomal crossover

Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction.

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Chromosome

A chromosome (from Ancient Greek: χρωμόσωμα, chromosoma, chroma means colour, soma means body) is a DNA molecule with part or all of the genetic material (genome) of an organism.

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Colchicine

Colchicine is a medication most commonly used to treat gout.

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Colgate University

Colgate University is a private liberal arts college located on in Hamilton Village, Hamilton Township, Madison County, New York, United States.

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Columbia University

Columbia University (Columbia; officially Columbia University in the City of New York), established in 1754, is a private Ivy League research university in Upper Manhattan, New York City.

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Crepis

Crepis, commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus Hieracium with a similar common name), is a genus of annual and perennial flowering plants of the family Asteraceae superficially resembling the dandelion, the most conspicuous difference being that Crepis usually has branching scapes with multiple heads (though solitary heads can occur).

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David D. Keck

David Daniels Keck (October 24, 1903 – March 10, 1995) was an American botanist who was notable for his work on angiosperm taxonomy and genetics.

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Davis, California

Davis, formerly known as Davisville, is a city in the U.S. state of California and the most populous city in Yolo County.

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Developmental biology

Developmental biology is the study of the process by which animals and plants grow and develop.

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Doctor of Philosophy

A Doctor of Philosophy (PhD or Ph.D.; Latin Philosophiae doctor) is the highest academic degree awarded by universities in most countries.

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Drosophila melanogaster

Drosophila melanogaster is a species of fly (the taxonomic order Diptera) in the family Drosophilidae.

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E. B. Babcock

Ernest Brown Babcock (July 10, 1877 – December 8, 1954) was a United States plant geneticist who pioneered the understanding of plant evolution in terms of genetics.

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E. C. Jeffrey

Edward Charles Jeffrey (May 21, 1866 – April 19, 1952) was a Canadian-American botanist who worked on vascular plant anatomy and phylogeny.

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Edgar Anderson

Edgar Shannon Anderson (November 9, 1897 – June 18, 1969) was an American botanist.

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Ehrharta erecta

Ehrharta erecta is a species of grass commonly known as panic veldtgrass.

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Elymus stebbinsii

Elymus stebbinsii is a species of wild rye known by the common name Parish wheatgrass.

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Emeritus

Emeritus, in its current usage, is an adjective used to designate a retired professor, pastor, bishop, pope, director, president, prime minister, or other person.

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Episcopal Church (United States)

The Episcopal Church is the United States-based member church of the worldwide Anglican Communion.

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Ernst Mayr

Ernst Walter Mayr (5 July 1904 – 3 February 2005) was one of the 20th century's leading evolutionary biologists.

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Evolutionary biology

Evolutionary biology is the subfield of biology that studies the evolutionary processes that produced the diversity of life on Earth, starting from a single common ancestor.

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Family (biology)

In biological classification, family (familia, plural familiae) is one of the eight major taxonomic ranks; it is classified between order and genus.

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Flowering plant

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approximately 13,164 known genera and c. 295,383 known species.

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Flowering Plants: Evolution Above the Species Level

Flowering Plants: Evolution Above the Species Level is a book written by evolutionary biologist and botanist G. Ledyard Stebbins which was first published in 1974.

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Francisco J. Ayala

Francisco José Ayala Pereda (born March 12, 1934) is a Spanish-American evolutionary biologist and philosopher who was a longtime faculty member at the University of California, Irvine.

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Göte Turesson

Göte Wilhelm Turesson (6 April 1892 – 30 December 1970) was a Swedish evolutionary botanist who made significant contributions to ecological genetics, and coined the terms ecotype and agamospecies.

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genetic recombination

Genetic recombination (aka genetic reshuffling) is the production of offspring with combinations of traits that differ from those found in either parent.

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Genetic variation

Genetic variation means that biological systems – individuals and populations – are different over space.

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Geneticist

A geneticist is a biologist who studies genetics, the science of genes, heredity, and variation of organisms.

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Genetics

Genetics is the study of genes, genetic variation, and heredity in living organisms.

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Genetics and the Origin of Species

Genetics and the Origin of Species is a 1937 book by the Ukrainian-American evolutionary biologist Theodosius Dobzhansky.

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Genotype

The genotype is the part of the genetic makeup of a cell, and therefore of an organism or individual, which determines one of its characteristics (phenotype).

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Harmonia stebbinsii

Harmonia stebbinsii (syn. Madia stebbinsii) is a species of flowering plant in the aster family known by the common name Stebbins' tarweed, or Stebbins' madia.

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Harvard University

Harvard University is a private Ivy League research university in Cambridge, Massachusetts.

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Harvard University Press

Harvard University Press (HUP) is a publishing house established on January 13, 1913, as a division of Harvard University, and focused on academic publishing.

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Herbert G. Baker

Herbert George Baker (February 23, 1920 – July 2, 2001) was a British-American botanist and evolutionary ecologist who was an authority on pollination biology and breeding systems of angiosperms.

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Hybrid (biology)

In biology, a hybrid, or crossbreed, is the result of combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.

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Iris (plant)

Iris is a genus of 260–300 species of flowering plants with showy flowers.

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James W. Valentine

James W. Valentine is an American evolutionary biologist and Professor Emeritus in the Department of Integrative Biology at the University of California, Berkeley.

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Jens Clausen

Jens Christen (Christian) Clausen (March 11, 1891 – November 22, 1969) was a Danish-American botanist, geneticist, and ecologist.

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Karl Sax

Karl Sax (November 2, 1892 – October 8, 1973) was an American botanist and geneticist, noted for his research in cytogenetics and the effect of radiation on chromosomes.

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Lake Berryessa

Lake Berryessa is the largest lake in Napa County, California.

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Lamarckism

Lamarckism (or Lamarckian inheritance) is the hypothesis that an organism can pass on characteristics that it has acquired through use or disuse during its lifetime to its offspring.

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Lawrence, St. Lawrence County, New York

Lawrence is a town in St. Lawrence County, New York in the United States.

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Leidy Award

The Leidy Award is a medal and prize presented by the Academy of Natural Sciences of Drexel University (formerly the Academy of Natural Sciences of Philadelphia), Philadelphia, Pennsylvania, USA.

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Lewisia stebbinsii

Lewisia stebbinsii is a rare species of flowering plant in the Montiaceae family known by the common name Stebbins' lewisia.

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Linnean Medal

The Linnean Medal of the Linnean Society of London was established in 1888, and is awarded annually to alternately a botanist or a zoologist or (as has been common since 1958) to one of each in the same year.

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Linnean Society of London

The Linnean Society of London is a society dedicated to the study of, and the dissemination of information concerning, natural history, evolution and taxonomy.

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Lomatium stebbinsii

Lomatium stebbinsii, known by the common name Stebbins' desertparsley, is a rare species of flowering plant in the carrot family.

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Master of Arts

A Master of Arts (Magister Artium; abbreviated MA; also Artium Magister, abbreviated AM) is a person who was admitted to a type of master's degree awarded by universities in many countries, and the degree is also named Master of Arts in colloquial speech.

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Merritt Lyndon Fernald

Merritt Lyndon Fernald (October 5, 1873 – September 22, 1950) was an American botanist.

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Model organism

A model organism is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms.

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Modern synthesis (20th century)

The modern synthesis was the early 20th-century synthesis reconciling Charles Darwin's theory of evolution and Gregor Mendel's ideas on heredity in a joint mathematical framework.

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Monograph

A monograph is a specialist work of writing (in contrast to reference works) on a single subject or an aspect of a subject, often by a single author, and usually on a scholarly subject.

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Monterey, California

Monterey is a city located in Monterey County in the U.S. state of California, on the southern edge of Monterey Bay on California's Central Coast.

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Mount Desert, Maine

Mount Desert is a town on Mount Desert Island in Hancock County, Maine, United States.

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National Academy of Sciences

The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization.

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National Medal of Science

The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral and social sciences, biology, chemistry, engineering, mathematics and physics.

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Natural history

Natural history is a domain of inquiry involving organisms including animals, fungi and plants in their environment; leaning more towards observational than experimental methods of study.

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Natural selection

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype.

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Ornithology

Ornithology is a branch of zoology that concerns the study of birds.

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Peabody Museum of Natural History

The Peabody Museum of Natural History at Yale University is among the oldest, largest, and most prolific university natural history museums in the world.

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Peony

The peony or paeony is a flowering plant in the genus Paeonia, the only genus in the family Paeoniaceae.

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Perennial plant

A perennial plant or simply perennial is a plant that lives more than two years.

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Phenotype

A phenotype is the composite of an organism's observable characteristics or traits, such as its morphology, development, biochemical or physiological properties, behavior, and products of behavior (such as a bird's nest).

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Phylogenetic tree

A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.

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Plant taxonomy

Plant taxonomy is the science that finds, identifies, describes, classifies, and names plants.

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Poaceae

Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses, commonly referred to collectively as grass.

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Polyploid

Polyploid cells and organisms are those containing more than two paired (homologous) sets of chromosomes.

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Polyploid complex

A polyploid complex, also called a diploid-polyploid complex, is a group of interrelated and interbreeding species that also have differing levels of ploidy that can allow interbreeding.

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Population genetics

Population genetics is a subfield of genetics that deals with genetic differences within and between populations, and is a part of evolutionary biology.

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Ralph Hoffmann

Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher, amateur ornithologist, and botanist.

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Rockefeller Foundation

The Rockefeller Foundation is a private foundation based at 420 Fifth Avenue, New York City.

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Santa Barbara, California

Santa Barbara (Spanish for "Saint Barbara") is the county seat of Santa Barbara County in the U.S. state of California.

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Sierra Club

The Sierra Club is an environmental organization in the United States.

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Society for the Study of Evolution

The Society for the Study of Evolution is a professional organization of evolutionary biologists.

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Speciation

Speciation is the evolutionary process by which populations evolve to become distinct species.

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Species

In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.

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Stebbins Cold Canyon Reserve

Stebbins Cold Canyon Reserve is a unit of the University of California Natural Reserve System and is administered by the University of California, Davis.

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Systematics and the Origin of Species

Systematics and the Origin of Species from the Viewpoint of a Zoologist is a book written by zoologist and evolutionary biologist Ernst Mayr, first published in 1942 by Columbia University Press.

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The American Naturalist

The American Naturalist is a monthly peer-reviewed scientific journal that was established in 1867.

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Theodosius Dobzhansky

Theodosius Grygorovych Dobzhansky (Теодо́сій Григо́рович Добжа́нський; Феодо́сий Григо́рьевич Добржа́нский; January 25, 1900 – December 18, 1975) was a prominent Ukrainian-American geneticist and evolutionary biologist, and a central figure in the field of evolutionary biology for his work in shaping the modern synthesis.

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Thomas Hunt Morgan

Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity.

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Tuberculosis

Tuberculosis (TB) is an infectious disease usually caused by the bacterium Mycobacterium tuberculosis (MTB).

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Unitarianism

Unitarianism (from Latin unitas "unity, oneness", from unus "one") is historically a Christian theological movement named for its belief that the God in Christianity is one entity, as opposed to the Trinity (tri- from Latin tres "three") which defines God as three persons in one being; the Father, Son, and Holy Spirit.

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University of California Natural Reserve System

The University of California Natural Reserve System (UCNRS) is a system of protected areas throughout California.

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University of California, Berkeley

The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.

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University of California, Davis

The University of California, Davis (also referred to as UCD, UC Davis, or Davis), is a public research university and land-grant university as well as one of the 10 campuses of the University of California (UC) system.

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Variation and Evolution in Plants

Variation and Evolution in Plants is a book written by G. Ledyard Stebbins, published in 1950.

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William Hiesey

William McKinley Hiesey (August 21, 1903 – August 7, 1998) was an American botanist who specialized in ecological physiology.

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Youngia

Youngia is a genus of Asian plants in the dandelion tribe within the sunflower family.

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References

[1] https://en.wikipedia.org/wiki/G._Ledyard_Stebbins

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