Authorities
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A
A. Berger
Alwin Berger, 1871-1931.
A. DC.
Alphonse Louis Pierre Pyramus de Candolle, 1806-1893, Swiss botanist, son of Augustin Pyramus de Candolle.
A. Dietr.
Albert Gottfried Dietrich, 1795-1856. Curator of the Berlin botanical garden.
A. Gray
Asa Gray, 1810-1888. Professor of botany at Harvard University and prominent American systematist and botanical author. Wrote the Manual of the Botany of the Northern States.
A. Heller
Amos Arthur Heller, 1867-1944, Pennsylvania botanist.
A. J. Eames
Arthur Johnson Eames, 1881-1969. United States botanist.
A. Löve
Askell Löve, 1916-. Icelandic botanist who worked at Swedish, Canadian, and U.S. universities.
A. Meeuse
Adrianus Dirk Jacob Meeuse, 1914-, South African.
A. N. Egan
Ashley Noel Egan, 1977-, United States.
A. Nels.
Aven Nelson, 1859-1952. United States of America.
A. R. Mast
Austin R. Mast, 1972-
A. Smit
Aellen
Paul Aellen, 1896-1973, Swiss botanist.
Aiton
William Aiton, 1731-1793.
Al-Shehbaz
Ihsan Ali Al-Shehbaz, 1939-, U.S. botanist.
Alexander
Edward Johnston Alexander, 1901-1985. American botanist and herbarium curator.
All.
Carlo Allioni, 1725-1804, Italian botanist.
Allred
Kelly Allred, 1949-. Grass specialist at New Mexico State University.
Alph. Wood
Alphonso Wood, 1810-1881. Principal of the Brooklyn Female Academy in New York, author, and plant collector.
Anders.
Edgar Shannon Anderson, 1897-1969. Experimental taxonomist at the Missouri Botanical Garden in St. Louis.
Andersson
Nils Johan Andersson,1821-1880, Swedish botanist.
Andr.
Gabor Andreanszky, 1895-1967. Hungarian botanist.
Andrz.
Antoni Lukianowicz Andrzejowski, 1785-1868. Lithuania.
Arn.
George Arnott Walker Arnott, 1799-1868.
Avé-Lall.
Julius Leopold Eduard Ave-Lallemante, 1803-1867. German associate of the botanical garden in St. Petersburg.

B
B. Boivin
Bernard Boivin, 1916-1985. Canada.
B. G. Schub.
Bernice Giduz Schubert, 1913-2000, U.S. botanist
B. L. Robinson & Fernald
B.L. Robinson
Benjamin Lincoln Robinson, 1864-1935. American botanist; curator of the Gray Herbarium at Harvard University from 1892-1935; co-author of Gray's Manual of Botany.
B.L. Turner
Billie Lee Turner, 1925-. Professor of botany at the University of Texas in Austin.
B.S.P.
Nathaniel Lord Britton, 1859-1934, director-in-chief of the New York Botanical Garden; Emerson Ellick Sterns, 1846-1926, U.S. botanist; Justus Ferdinand Poggenburg, 1840-1893, U.S. botanist.
Bailey
Liberty Hyde Bailey, 1858-1954. Horticulturist at Cornell University in New York.
Baill.
Henri Ernest Baillon, 1827-1895. France.
Barkworth
Mary Elizabeth Barkworth, 1941-. United States of America
Barneby
Rupert Charles Barneby, 1911-2000.
Barnhart
John Hendley Barnhart, 1871-1949. New York Botanical Garden bibliographer.
Bartl.
Friedrich Gottlieb Bartling, 1798-1875, Germany.
Beauv.
Ambroise Marie Francois Joseph Palisot de Beauvois, 1752-1820. French naturalist.
Beck
Günther Beck, 1856-1931. Austria.
Benth.
George Bentham, 1800-1884. English taxonomist, author and long-time president of the Linnaean Society.
Bernh.
Johann Jakob Bernhardi, 1774-1850, Germany
Besser
Wilibald Swibert Joseph Gottlieb von Besser, 1784-1842, Austrian botanist.
Bickn.
Eugene Pintard Bicknell, 1859-1925. New York banker and amateur botanist.
Bigel.
Jacob Bigelow, 1787-1879. American botanist at Harvard.
Blankinship
Joseph William Blankinship, 1862-1938. United States of America.
Blume
Carl (Karl) Ludwig von Blume, 1796-1862.
Bolli
Richard Bolli.
Bosc
Louis Augustin Guillaume Bosc, 1759-1828. French naturalist.
Bright
John Bright, 1872-1952. United States of America.
Britton
Nathaniel Lord Britton, 1859-1934. Director of the New York Botanical Garden.
Britton, Sterns & Poggenburg
Nathaniel Lord Britton, 1859-1934, director-in-chief of the New York Botanical Garden; Emerson Ellick Sterns, 1846-1926, U.S. botanist; Justus Ferdinand Poggenburg, 1840-1893, U.S. botanist.
Brooks
Ralph Edward Brooks, 1950-. University of Kansas, Lawrence.
Brummitt
Richard Kenneth Brummit, 1937-.
Buckl.
Buckley
Samuel Botsford Buckley, 1809-1884. United States of America
Bullock
Arthur Allman Bullock, 1906-1980.
Bureau
Louis Edouard, 1830-1918. French botanist and professor of taxanomic botany in Paris.
Burtt
Bernard Dearman Burtt, 1902-1938.
Buxb.
Franz Buxbaum, 1900-1979. Austrian botanist.

C
C. B. Clarke
Charles Baron Clarke, 1832-1906. Superintendent of the Royal Botanic Gardens in Calcutta, India.
C. Hitchc.
Charles Leo Hitchcock, 1902-?. American botanist in the Pacific Northwest.
C. K. Schneider
Camillo Karl Schneider, 1876-1951, Austria and Germany; explored for plants in China.
C.A. Clark
Carolyn A. Clark, United State of America.
C.A. Lawson
Cheryl A. Lawson, 1947-. United States of America.
C.A. Mey.
Carl Anton Andreevitch von Meyer, 1795-1855. Director of the botanic garden in St. Petersburg, Russia.
C.C. Gmel.
Carl Christian Gmelin, 1762-1837. German physician.
Cass.
Alexandre Henri Gabriel (Comte de) Cassini, 1781-1832. French botanist.
Cav.
Antonio Jose Cavanilles, 1745-1804. Spanish botanist and director of the Madrid botanic gardens.
Cavara
Fridiano Cavara, 1857-1929, Italy.
Cerv.
Vincente de Cervantes, 1759?-1829. Professor of botany and director of the Mexico City botanic garden.
Choisy
Jacques Denys Choisy, 1799-1859. Swiss botanist, clergyman and philosopher. Professor in Geneva.
Clem.
Frederic Edward Clements, 1874-1945, United States of America.
Cody
William James Cody, 1922-2009, North American botanist.
Conrad
Solomon White Conrad, 1779-1831, United States botanist
Cooperrider
Cory
Victor Louis Cory, 1880-1964. Botanist at Southern Methodist University in Dallas, Texas.
Coult.
Thomas Coulter, 1793-1843. Irish botanist; explored Central Mexico 1825-1834 and Southern California 1831-1833.
Coville
Frederick Vernon Coville, 1867-1937. Botanist and curator of the U.S. Natural Herbarium.
Crantz
Heinrich Johann Nepomuk von Crantz, 1722-1799. Austria.
Crins
William J. Crins, 1955-
Cronquist
Arthur John Cronquist, 1919-1992. U.S. botanist; curator of the New York Botanical Garden herbarium; author (with Henry A. Gleason) of the Manual of Vascular Plants of Northeastern United States and Adjacent Canada.
Cyrillo
Domenico Maria Leone Cyrillo, 1739-1799, Italian botanist.
Czern.
V. M. Czernajew, 1776-1871.

D
D. Don
David Don, 1799-1841. British botanist, professor in Kings College, London; librarian for the Linnaean Society; brother of George Don.
D. R. Morgan
David R. Morgan,U.S. botanist.
D.A. Sutton
David A. Sutton, 1952-.
D.R. Hunt
David Richard Hunt, 1938-.
DC.
Augustin Pyramus de Candolle, 1778-1841. Swiss botanist and professor of botany in Geneva. Authored ten volumes of the Prodromus, a fundamental work in the development of taxonomy.
Decne.
Joseph Decaisne, 1807-1882. Belgian botanist and director of the Jardin des Plantes in Paris.
Desf.
René Louiche Desfontaines, 1750-1833. French botanist.
Desv.
Auguste Nicaise Desvaux, 1784-1856, France.
Dewey
Lyster Hoxie Dewey, 1865-1944. U.S. botanist from Michigan.
Dougl.
David Douglas, 1798-1834. Scottish plant collector in northwestern America. Collected extensively along the Columbia River.
Duchesne
Antoine Nicolas Duchesne, 1747-1827. France.
Dufr.
Pierre Dufresne, 1786-1836, French botanist.
Dum.
Dumont
Kent P. Dumont
Dunal
Michel Felix Dunal, 1789-1856. French botanist and professor of botany in Montpellier.
Durazz.
Antonio Durazzini

E
E. James
Edwin James, 1797-1861. Surgeon and naturalist; accompanied Major S. H. Long's expedition to the Rocky Mountains; the first botanical collector in Colorado and early collector in Texas.
E.B. Sm.
Edwin Burnell Smith, 1936-. University of Arkansas.
E.G. Clements
Edith Gertrude Clements, (Mrs. F. E. Clements), 1877-?, United States of America.
Eckenwalder
James Eckenwalder, 1949-. United States.
Ehrh.
Jakob Friedrich Ehrhart, 1742-1795, German botanist.
Eifert
Imre J. Eifert, 1934-, United States.
Elliott
Stephen Elliott, 1771-1830. American botanist in South Carolina.
Engelm.
George Engelmann, 1809-1884. German-born physician and later an eminent botanist in St. Louis.
Epling
Carl Clawson Epling, 1849-1968, United States.

F
F. M. Knuth
Frederic Marcus Knuth, 1904-1970, botanist.
F. Michx.
Francois Andre Michaux, 1770-1855, French botanist, son of Andre Michaux.
F.E. Clements
Frederic Edward Clements, 1874-1945, United States of America.
F.H. Wigg.
Friedrich Heinrich Wiggers, 1746-1811, Denmark and Germany.
F.L. Freeman
Florence Lucinda Freeman, 1912-. United States of America.
Farw.
Oliver Atkins Farwell, 1867-1944. Botanist for Parke, Davis & Company.
Fassett
Norman Carter Fassett, 1900-1954. United States.
Fedde
Friedrich Karl Georg Fedde, 1873-1942. Professor and editor in Berlin.
Fenzel
Eduard Fenzel, 1808-1879. Director of the Botanical Garden in Vienna.
Fernald
Merritt Lyndon Fernald, 1873-1950. Plant geographer and systematist and director of the Gray Herbarium at Harvard.
Fisch.
Friedrich Ernst Ludwig von Fischer, 1782-1854. Director of the botanic garden in St. Petersburg, Russia.
Floden
Aaron J. Floden, United States.
Focke
Wilhelm Olbers Focke, 1834-1922. German.
Fosberg
Francis Raymond Fosberg, 1908-?. U.S. Geological Survey and the Smithsonian Institution. Concentrated on the floras of South America, California, and Polynesia.
Foug.
Auguste Denis Fougeroux de Bordaroy, 1732-1789. Frenchman.
Fr.
Elias Magnus Fries, 1794-1878. Swedish botanist.
Franch.
Adrien Rene Franchet, 1834-1900, French botanist.
Freckmann
Robert W. Freckmann, 1939-, U. S. botanist.
Fremont
John Charles Fremont, 1813-1890, United States.

G
G. Don
George Don, 1798-1856. English collector of plants for the Royal Horticultural Society. Collected in Brazil, the West Indies and Africa.
G.B. Ownbey
Gerald Bruce Ownbey, 1916-. United States of America.
G.F.W. Mey.
Georg Friedrich Wilhelm Meyer, 1782-1856. German botanist in Goettingen.
G.L. Nesom
Guy Lane Nesom, 1945-. United States of America.
Gaertn.
Joseph Gaertner, 1732-1791. German physician and botanist.
Gaiser
Lulu Odel Gaiser, 1896-1965. Canadian botanist.
Gand.
Michel Gandoger, 1850-1926, French botanist.
Gandhi
Kanchi Natarajan Gandhi, 1948-. India, United States of America.
Gaudich.
Charles Gaudichaud-Beaupres, 1789-1854, French botanist.
Geise
M. J. Geise
Gilg
Ernst Friedrick Gilg, 1867-1933. Worked at the Botanical Museum in Berlin.
Gleason
Henry Allan Gleason, 1882-1975, U.S. botanist.
Goodman
George Jones Goodman, 1904-1999. United States of America.
Gould
Frank Walton Gould, 1913-1981. Specialist in grasses at Texas A & M University.
Grande
Loreto Grande, 1878-1965.
Gray
Samuel Frederick Gray, 1766-1828. British botanist.
Greene
Edward Lee Greene, 1843-1915. Botanist at the University of California, the Smithsonian Institution, and Catholic University of America.
Greenm.
Jesse More Greenman, 1867-1951. Herbarium curator at the Missouri Botanical Garden.

H
H. Lév.
Augustin Abel Hector Léveillé, 1863-1918, French botanist.
H. M. Hall
Harvey Monroe Hall, 1874-1932, United States of America.
H. Ohashi
Hiroyoshi Shashi, 1936-, Japanese botanist.
H. Rock
Howard Francis Leonard Rock, 1925-1964. Biology professor at Vanderbilt University.
H. Wendl.
Hermann Wendland, 1825-1903, German.
H.B.K.
Baron Friedrich Wilhelm Heinrich Alexander von Humboldt, 1769-1859; Aimee Jaque Alexandre Bonpland, 1773-1858; and Carl S. Kunth, 1788-1850. Humboldt and Bonpland made a scientific expedition to tropical America. Kunth wrote about their work.
H.E. Robins
Harold Ernest Robinson, 1932-. United States of America.
Hack.
Eduard Hackel, 1850-1926. Austrian specialist in grasses.
Hand.-Mazz.
Heinrich R. E. von Handel-Mazzetti, 1882-1940, Austrian botanist.
Haw.
Adrian Hardy Haworth, 1768-1833, British botanist.
Haworth
Adrian Hardy Haworth, 1768-1833, British botanist.
Hayek
August von Hayek, 1871-1928. Austrian botanist and physician.
Heimerl
Anton Heimerl, 1857-1942. Professor in Vienna.
Herrm.
Rudolf Albert Wolfgang Herrmann, 1885-19??. German botanist.
Herter
Wilhelm Gustav Herter, 1884-1958. German botanist who lived and worked in Uruguay after 1924.
Heynh.
Gustav Heynhold, 1800-1860. Germany.
Hill
John Hill, 1716-1775. Apothecary and naturalist in London.
Hilliard
Olive Mary Hilliard, 1926-.
Hinton
Billy Dan Hinton, U.S botanist.
Hitchc.
Albert Spear Hitchcock, 1865-1935. Botanist at Kansas State University and later with the U.S. Department of Agriculture in Washington. Author of Manual of Grasses of the United States.
Hoch
Peter Coonan Hoch, 1950-, United States
Hogg
Robert Hogg, 1818-1897. British horticulturist and editor.
Holub
Josef Holub, 1930-1999, Czech Republic.
Hook.
Sir William Jackson Hooker, 1785-1865. Director of the Royal Botanical Gardens at Kew, England from 1841-1865. Author and editor of botanical books and journals.
Hornem.
Jens Wilken Hornemann, 1770-1841. Denmark.
Host
Nicolaus Thomas Host, 1761-1834. Austrian botanist and physician to Franz I.
House
Homer Doliver House, 1878-1949. American botanist; State Botanist of New York 1914-1949.
Houtt.
Maarten Houttuyn, 1720-1798. Dutch physician and naturalist.
Hubb., C.E.
Charles Edward Hubbard, 1900-?. British botanist at Kew.
Huds.
William Hudson, 1730-1793. Apothecary and botanist in London.

I
I.M. Johnst.
Ivan Murray Johnston, 1898-1960. American botanist at the Arnold Arboretum.
Iltis
Hugh Hellmut Iltis, 1925-. Czech-born American botanist at the University of Wisconsin, Madison.
Isley
Daune Isley, 1918-. Iowa State University taxonomist.

J
J. Carey
John Carey, 1797-1880. English taxonomist and engraver. Arrived in U.S. in 1830.
J. D. Sauer
Jonathan Deininger Sauer, 1918-, U.S. botanist.
J. Darl.
Josephine Darlington, 1905-1996, United States botanist
J. F. Gmel.
Johann Friedrich Gmelin, 1748-1804. Germany.
J. F. Klotzsch
Johann Friedrich Klotzsch, 1805-1860. Herbarium curator in Berlin, Germany.
J. H. Carruth
James Harrison Carruth, 1807-1896, U.S. botanist.
J. R. Johnst.
John Robert Johnston, 1880-1953, United States of America.
J. T. Howell
John Thomas Howell, 1903-1994, U.S. botanist
J. W. Voss
John William Voss, 1907-, U.S. botanist.
J.A. Schultes
Joseph August Schultes, 1773-1831. Austrian botanist and professor in Vienna.
J.G. Sm.
Jared Gage Smith, 1866-1925. American botanist and agriculturist.
J.H. Schultes
J.M. Coult.
John Merle Coulter, 1851-1928, U.S. botanist.
J.W. Grimes
James W. Grimes, 1953. United States of America.
Jacq.
Nicolaus Joseph Baron von Jacquin, 1727-1817. Professor of botany and director of the botanic garden in Vienna. Noted taxonomist.
Janchen
Erwin Janchen, 1882-1970, Austrian botanist.

K
K. F. Parker
Kittie Fenley Parker, 1910-1994. United States.
K. Koch
Karl Heinrich Emil Koch, 1809-1879. Germany.
K. L. Chambers
Kenton Lee Chambers, 1929-. American botanist in the Pacific Northwest.
Kükenth.
Georg Kükenthal, 1864-1955. Germany.
Kartesz
John T. Kartesz, 1948-. United States of America.
Kearney
Thomas Henry Kearney, 1874-1956. U.S. Department of Agriculture taxonomist.
Keng
Yi Li Keng, 1898-1975. Professor of botany at Nanking University in China.
Ker
John Bellenden Ker (prior to 1804, John Gawler), 1764-1842. British botanist.
Kiger
Robert William Kiger, 1940-. United States of America.
King
George King, 1840-1909. British botanist; worked many years in India.
Knerr
Ellsworth Browned Knerr, 1861-1942, American botanist.
Kuhn
Friedrich Adalbert Maximilian Kuhn, 1842-1894, German botanist.
Kunth
Carl Sigismund Kunth, 1788-1850. German botanist.
Kuntze
Carl Ernst Otto Kuntze, 1843-1907. German botanist who advocated strict priority in nomenclature; author of "Revisio Generum Plantarum" (1891), in which the names of more than 30,000 species were changed.

L
L.
Carl Linnaeus, 1707-1778. Swedish botanist considered to be the "Father of Taxonomy". Author of Species Plantarum, the staring point for botanical nomenclature.
L. S. Beard
Luther Stanford Beard, 1929-
L.D. Benson
Lyman David Benson, 1909-1993, U.S. professor of botany.
L'Her.
Charles-Louis L'Heritier de Brutelle, 1746-1800. French magistrate and botanist.
Lag.
Mariano Lagasca y Segura, 1776-1839. Spanish professor and director of the Madrid botanic garden. A mob destroyed his collections and he ended up exiled to England.
Lam.
Jean Baptiste Antoine Pierre Monet, Chevalier de Lamarck, 1744-1829. French botanist that proposed an early theory of evolution.
Larisey
Mary Maxine Larisey, 1909-. School of Pharmacy, Medical College of South Carolina.
Lawson
G. Lawson
Laxm.
Erich Gustav Laxmann, 1737-1796. Finland.
Ledeb.
Carl Friedrich von Ledebour, 1785-1851. Professor and author of two major floras.
Lehm.
Johann Georg Christian Lehman, 1792-1860. Director of the botanic garden in Hamburg.
Less.
Christian Friedrich Lessing, 1809-1862. German physician.
Leyss.
Friedrich Wilhelm von Leysser, 1731-1815. German botanist.
Lindl.
John Lindley, 1799-1865. London professor of botany.
Link
Johann Heinrich Friedrich Link, 1767-1851. Director of the botanic garden and professor of natural science in Berlin.
Loud.
John Claudius Loudon, 1783-1843, English horticulturist and author of garden books.
Luer
Carlyle August Luer, 1922-
Lye
Kaare Arnstein Lye, 1940-. Norway.

M
M. Bieb.
Baron Friedrich August Marschall von Bieberstein, 1768-1826. German explorer who wrote about the flora of southern Russia and the Caucasus.
M. Gómez
Manuel Gómez de la Maza y Jimenez, 1867-1916. Cuban botanist.
M. Hopkins
Milton Hopkins, 1906-, United States botanist.
Mack.
Kenneth Kent Mackenzie, 1877-1934. Corporation attorney in New York City and well-known botanist.
MacMill.
Conway MacMillan, 1867-1929. Minnesota state botanist.
Maguire
Bassett Maguire, 1904-?. New York Botanical Garden. Specialist in the flora of the Great Basin and northeastern South America.
Makino
Tomitaro Makino, 1862-1957. Japanese botanist.
Marcks
Brian G. Marcks, ? University of Wisconsin.
Marsh.
Humphrey Marshall, 1722-1801. Called the "father of American dendrology", (dendrology = the study of trees). Lived in Pennsylvania.
Marshall
Humphry Marshall, 1722-1801. Considered the father of American dendrology.
Martens
Martin Martens, 1797-1863. Belgian taxonomist and physician who collected in Mexico.
Mattf.
Johannes Mattfeld, 1895-1951. Berlin, Germany.
Maxim.
Carl Johann Maximowicz, 1827-1891. Russian botanist and director of the St. Petersberg botanic garden.
Medic.
Friedrich Kasimir Medicus, 1736-1808. German botanist.
Meerb.
Nicolaas Meerburgh, 1734-1814. Gardener in the Netherlands.
Merr.
Elmer Drew Merrill, 1876-1956. American botanist; director of the New York Botanical Garden; outstanding plant systematist.
Mett.
Georg Heinrich Mettenius, 1823-1866, German botanist.
Meyen
Franz Julius Ferdinand Meyen, 1804-1840. Germany; traveled around the world 1830-1832.
Michx.
Andre Michaux, 1746-1802. French botanist and explorer of North America.
Mill.
Philip Miller, 1691-1771, English botanist.
Moench
Conrad Moench, 1744-1805, Germany.
Moq.
Christian Horace Benedict Alfred Moquin-Tandon, 1804-1863. French botanist.
Moric.
Moise Etienne Moricand, 1779-1854. Swiss botanist.
Morong
Mosher, E.
Edna Mosher, U.S. entomologist.
Muell. Arg.
Jean (Argoviensis, i.e. of Aargau) Mueller, 1828-1896. Swiss botanist.
Muenchh.
Otto von Münchhausen, 1716-1774. German botanist.
Muhl.
Henry Muhlenberg (Gotthilf Heinrich Ernst Muehlenberg), 1753-1815. German-educated Lutheran minister and pioneer botanist in Pennsylvania.
Munz
Philip Alexander Munz, 1892-1974, United States.
Murr
Josef Murr, 1864-1932. Austrian botanist and high school teacher.
Murray
Johan Andreas Murray,1740-1791, Sweden.

N
Nash
George Valentine Nash, 1864-1921. Head gardener at the New York Botanical Garden.
Nees
Christian Daniel Nees von Esenbeck, 1776-1858. German botanist.
Nieuw.
Julius Aloysius Arthur Nieuwland, 1878-1936. Professor of botany and organic chemistry at Notre Dame University.
Nort.
John Bitting Smith Norton, 1872-1966. Taxonomist and plant pathologist at Kansas State University and later the University of Maryland.
Nowack
Nowack, R., Netherlands
Nutt.
Thomas Nuttall, 1786-1859. English-born naturalist, botanist and ornithologist. He resided in the U.S. from 1808-1841 and collected plants in the American West.

O
O'Kane
Steve Lawrence O'Kane, 1956-, U.S. botanist.
Ohwi
Jisaburo Ohwi, 1905-1977, National Science Museum, Tokyo.
Ortega
Casimiro Gomez de Ortega, 1740-1818. Spain.

P
P. Mill.
Philip Miller, 1691-1771. British gardener and author of The Gardener's Dictionary.
Palla
Eduard Palla, 1864-1922. Austrian botanist.
Pallas
Peter Simon von Pallas, 1741-1811.
Palmer
Ernest Jesse Palmer, 1875-1962, Missouri Botanical Garden field collector.
Parker
W. K. Parker, 1823-1890.
Parodi
Lorenzo Raimundo Parodi, 1895-1966. Argentina.
Pau
Carlos Pau y Espanola, 1857-1937, Spain.
Pennell
Francis Whittier Pennell, 1886-1952. Curator of botany for the Academy of Natural Sciences of Philadelphia.
Pers.
Christian Hendrik Persoon, 1761-1836. South African botanist and mycologist who was educated in Germany and lived in Paris. This author of valuable botanical works was considered quite eccentric.
Phillippe
Loy R. Phillippe, U.S. botanist.
Piper
Charles Vancouver Piper, 1867-1926, United States.
Planch.
Jules Émile Planchon, 1823-1888, French botanist.
Poir.
Jean Louis Marie Poiret, 1755-1834. French botanist and clergyman.
Porter
Thomas Conrad Porter, 1822-1901. Professor of botany at Lafayette College in Pennsylvania.
Pringle
Cyrus Guernsey Pringle, 1838-1911. American botanist; collected extensively in the Pacific states and Mexico.
Pritz.
George August Pritzel, 1815-1874, Germany.
Pryer
Kathleen Mary Pryer, first date flourished 1993, North American botanist.
Pursh
Frederick Traugott Pursh, 1774-1820. Born in Saxony, but settled in Philadelphia. Author and botanical specimen collector.

R
R. & S.
Johann Jacob Roemer, 1763-1819, professor of botany in Zurich, Switzerland and Joseph August Schultes, 1773-1831, an Austrian botanist. Together published the 16th edition of Linnaeus' Systema Vegetabilium.
R. Br.
Robert Brown, 1773-1858. British botanist, librarian, and first keeper of botany at the British Museum.
R. Knuth
Reinhard Gustav Paul Knuth, 1874-1957, Germany.
R. L. Hartm.
Ronald Lee Hartman, 1945-2018, U. S. botanist.
R. P. Roberts & Neubig
Roland P. Roberts, first date flourished 2004, U.S. botanist and Kurt M. Neubig, first date flourished 2005, U.S. botanist.
R. R. Mill
Robert Reid Mill, 1950-, U. S. botanist.
Raeusch.
Ernst Adolf Raeuschel, flourished 1772-1797. Germany.
Raf.
Constantine Samuel Rafinesque, 1783-1840. Born in Constantinople and lived in Sicily and Kentucky. A pioneering naturalist considered brilliant but eccentric.
Raven
Peter Hamilton Raven, 1936-. Director of the Missouri Botanical Garden in St. Louis.
Regel
Eduard August von Regel, 1815-1892. Director of the botanic garden in St. Petersburg, Russia.
Rehder
Alfred Rehder, 1863-1949, German born American botanist who worked with woody plants; author of Manual of Cultivated Trees and Shrubs Hardy in North America.
Retz.
Anders Jahan Retzius, 1742-1821. Swedish botanist and professor.
Reveal
James Lauritz Reveal, 1941-2015, U.S. botanist.
Rich.
Louis Claude Richard, 1754-1821. France.
Richards.
Riddell
John Leonard Riddell, 1807-1865. Author of Catalogus Florae Ludovicianae.
Rodr.
Roem.
Johann Jacob Roemer, 1763-1819. Professor of botany in Zurich, Switzerland.
Rose
Roth
Albrecht Wilhelm Roth, 1757-1834. German botanist and physician.
Rottb.
Christen Friis Rottboell, 1727-1797. Denmark.
Rupr.
Franz Joseph Ruprecht, 1814-1870. Russian botanist and curator of the herbarium of the Academy of Science in St. Petersburg. Born in Austria.
Rusby
Henry Hurd Rusby, 1855-1940. Dean of the Columbia College of Pharmacy in New York.
Rydb.
Per Axel Rydberg, 1860-1931. Swedish-born botanist and curator at the New York Botanical Garden. Author of several books on the flora of the Great Plains and Rocky Mountains.

S
S. Wats.
Sereno Watson, 1826-1892. Assistant to Asa Gray and curator of the Gray Herbarium at Harvard University.
S.D. Koch
Stephen D. Koch, 1940-.
S.F. Blake
Sidney Fay Blake, 1892-1959. American botanist.
S.T. Blake
Stanley Thatcher Blake, 1910-1973. Australian botanist; president of the Royal Society of Queensland; associated with the Queensland Herbarium.
Salisb.
Richard Anthony Salisbury, 1761-1829.
Sav.
Paul Amedée Ludovic Savatier, 1830-1891, French Botanist.
Savi
Gaetano Savi, 1769-1844. Italian botanist.
Scheele
George Heinrich Adolf Scheele, 1808-1864. Germany.
Schkuhr
Christian Schkuhr, 1741-1811. Germany.
Schleid.
Matthias Jacob Schleiden, 1804-1881, German botanist.
Schoepf
Johann David Schoepf, 1752-1800. Germany.
Schott
Heinrich Wilhelm Schott, 1794-1865, Austria.
Schrad.
Heinrich Adolph Schrader, 1767-1836. German botanist, professor in Goettingen.
Schreb.
Johann Christian Daniel von Schreber, 1739-1810, Germany.
Schult.
Joseph August Schultes, 1773-1831, Austrian botanist
Schultz-Bip.
Carl Heinrich Schultz, Bipontinus, 1805-1867. Germany.
Schur
Philipp Johann Ferdinand Schur, 1799-1878, German botanist.
Schwein.
Lewis David von Schweinitz, 1780-1834, German-born clergyman in Pennsylvania.
Scop.
Johann Anton (Giovanni Antonio) Scopoli, 1723-1788. Austrian botanist, physician, and professor of natural history in Pavia.
Scribn.
Frank Lamson Scribner, 1851-1938. Grass specialist at the U.S. department of Agriculture.
Seem.
Berthold [Carl] Seeman, 1825-1871. German botanist and publisher; traveled in Central and South America; botanised in the Fiji Islands.
Selander
Nils Sten Edward Selander, 1891-1957, Sweden.
Semple
John Cameron Semple, 1947-.
Sennen
E. C. Sennen, 1861-1937, France.
Ser.
Nicholas Charles Seringe, 1776-1858, French botanist.
Shaver
Jerse Milton Shaver, 1888-1961, U.S. botanist.
Sheviak
Charles John Sheviak, 1947-. Botanist in New York state.
Shinners
Lloyd Herbert Shinners, 1918-1971. Canadian-born botanist and professor at Southern Methodist University in Texas. Specialist in the flora of north-central Texas and the southeastern United States.
Siebold
Philipp Franz von Siebold, 1796-1866, German botanist.
Sims
John Sims, 1749-1831. Served for 25 years as the editor of "Curtis' Botanical Magazine" in England.
Small
John Kunkel Small, 1869-1938. Botanist and head curator of the New York Botanical Garden.
Smyth
Bernard Bryan Smyth, 1843-1913. Curator of the State Museum of Kansas.
Smyth & Smyth
Soó
Károly Rezsö Soò von Bere, 1903-1980. Hungary.
Spach
Edouard Spach, 1801-1879. French botanist.
Spreng.
Curt Polykarp Joachim Sprengel, 1766-1833. German professor of medicine and botany in Halle.
Standl.
Paul Carpenter Standley, 1884-1963. Curator of the U.S. National Herbarium and later the Field Natural History Museum in Chicago.
Steud.
Ernst Gottlieb von Steudel, 1783-1856. German physician and authority on grasses.
Steyermark
Julian Alfred Steyermark, 1909-1988, botanist, curator of the Field Natural History Museum in Chicago, 1937-1958, author of Flora of Missouri.
Subils
Rosa Subils, 1929-, Argentina.
Sulliv.
William Starling Sullivant, 1803-1873. Specialist in mosses who worked in Ohio.
Sw.
Olof Peter Swartz, 1760-1818. Swedish botanist.
Swartz
Olof Peter Swartz, 1760-1818, Swedish botanist.
Sweet
Robert Sweet, 1783-1835. Ornithologist and horticulturist in England.
Swezey
Goodwin Deloss Swezey, 1851-1934. American botanist, astronomer, and meteorologist who worked many years in Nebraska.

T
T. & G.
John Torrey and Asa Gray. Authors of A Flora of North America.
Ten.
Michele Tenore, 1780-1861. Italian botanist and professor in Naples.
Thell.
Albert Thellung, 1881-1928. Botanical Institute of the University of Zurich.
Thieret
John Williams Thieret, 1926-2005. United States of America.
Thunb.
Carl Peter Thunberg, 1743-1828. Professor of botany in Sweden and author of several works.
Torr.
John Torrey, 1796-1873. American physican and professor of chemistry and botany at the College of Physicians and Surgeons in New York. He collected and described many plants in the American West.
Towner
Howard Frost Towner, 1943-. Stanford University.
Trel.
William Trelease, 1857-1945. Director of the Missouri Botanical Garden, professor of botany at the University of Illinois, and first president of the Botanical Society of America.
Trin.
Carl Bernhard von Trinius, 1778-1844. Russian court physician and authority on grasses, born in Germany.
Turcz.
Nicolai Stepanowitsch Turczaninow, 1796-1863, Russian botanist.

U
Urban
Ignatz Urban, 1848-1931. Berlin professor and authority on the flora of tropical America.
Urbatsch
Lowell Edward Urbatsch, 1942-, U.S. botanist.

V
V. E. Grant
Verne Edwin Grant, 1917-2007, United States botanist
V. Grant
Verne Grant, 1919-. United States of America.
Vahl
Martin Hendriksen Vahl, 1749-1804. Danish botanist. Professor in Copenhagen.
Vail
Anna Murray Vail, 1863, 1955, U.S. botanist.
Vaniot
Eugene Vaniot, ?-1913, French botanist.
Vasey
George Vasey, 1822-1893. English-born American botanist; specialized in grasses; curator, U.S. National Herbarium in Washington.
Vent.
Etienne Pierre Ventenant, 1757-1808. Professor of botany in Paris.
Vign.
Vitman
Fulgenzio Vitman, 1728-1806. Italian botanist and clergyman. Founded a botanical garden in Milan.

W
W. Bartram
William Bartram, 1739-1823, United States of America.
W. Bartram
William Bartram, 1739-1823. United States.
W. L. Wagner
Warren Lambert Wagner, 1950-, United States.
W. P. C. Barton
William Paul Crillon Barton, 1786-1856, U. S. botanist.
W. Wolf
Wolfgang Wolf, 1875-1950.
W.A. Weber
William Albert Weber, 1918-. United States of America.
W.D.J. Koch
Wilhelm Daniel Joseph Koch, 1771-1849. German physician and botanist.
W.T. Aiton
William Townsend Aiton, 1766-1849. British botanist and gardener.
Wahlenb.
Georg Whalenberg, 1780-1851, Swedish botanist.
Wallr.
Carl (Karl) Friedrich Wilhelm Wallroth, 1792-1857, Germany.
Walp.
Wilhelm Gerhard Walpers, 1816-1853, Germany.
Walt.
Thomas Walter, 1740-1789. British-American botanist and planter in Charleston, South Carolina.
Wangenh.
Friedrich Adam Julius von Wangenheim, 1749-1800. Germany, Lithuania, Poland.
Warder
John Aston Warder, 1812-1883. United States.
Waterf.
Umaldy Theodore Waterfall, 1910-1971, U.S. botanist.
Weatherby
Charles Alfred Weatherby, 1875-1949. United States of America.
Weber
Frederick Albert Weber, 1830-1903. French botanist who worked in Mexico.
Wettst.
Richard Wettstein, 1863-1931, director of the Vienna botanic garden.
Wheeler
Louis Cutter Wheeler, 1910-?. Botany professor at the University of Southern California.
Wherry
Edgar Theodore Wherry, 1885-1982. Professor of botany at the University Of Pennsylvania from 1930-1955. Specialist in ferns.
Wiegand
Karl McKay Wiegand, 1873-1942. United States of America.
Willd.
Carl Ludwig von Willdenow, 1765-1812. German botanist and director of the Berlin Botanical Garden from 1801-1812.
Windham
M. D. Windham, Michael Dennis Windham, 1954-, U.S. botanist.
Woods.
Robert Everard Woodson, 1904-1963, Missouri Botanical Garden, St. Louis.
Woot.
Elmer Otis Wooton, 1865-1945. Biology professor at New Mexico State University and later worked for the USDA in Washington DC.

Y
Y.B. Suh
Young Bae Suh, 1956-. South Korea.
Yates
Harris Oliver Yates, 1934-. Taxonomist at Lipscomb College, Nashville, Tennessee.