List of botanists by author abbreviation (K–L)

A–J
To find entries for A–J, use the table of contents above.

K

 * Kablík. – Josephine Ettel Kablick (also as Josefina Kablíková) (1787–1863)
 * Kache – Paul Kache (1882–1945)
 * Kadereit – Joachim Walter Kadereit (born 1956)
 * Kaempf. – Engelbert Kaempfer (1651–1716)
 * Kai Müll. – Kai Müller (born 1975)
 * Kalchbr. – Károly Kalchbrenner (1807–1886)
 * Kalkman – Cornelis Kalkman (1928–1998)
 * Kallenb. – Franz Joseph Kallenbach (1893–1944)
 * Källersjö – Mari Källersjö (born 1954)
 * Kalm – Pehr Kalm (1716–1779)
 * Kaltenb. – Johann Heinrich Kaltenbach (1807–1876)
 * Kamel – Georg Joseph Kamel (1661–1706)
 * Kamelin – Rudolf Vladimirovich Kamelin (1938–2016)
 * Kameyama – Cíntia Kameyama (1965–)
 * Kamieński – Franciszek Michailow von Kamieński (1851–1912)
 * Kanai – Hiroo Kanai (1930–2022)
 * Kanda – Hiroshi Kanda (born 1946)
 * Kane – Katharine Sophia Bailey Kane (1811–1886)
 * Kaneh. – Ryōzō Kanehira (1882–1948)
 * Kanér – Oskar Richard Kanér (1878–1956)
 * Kanes – William H. Kanes (born 1934)
 * Kanis – Andrias Kanis (1934–1986)
 * Kanitz – August Kanitz (1843–1896)
 * Kanjilal – Upendranath Kanjilal (1859–1928)
 * Kann – Edith Kann (1907–1987)
 * Kanouse – Bessie Bernice Kanouse (1889–1969)
 * Kantsch. – Zaiharias A. Kantschaweli (1894–1932)
 * Kantvilas – Gintaras Kantvilas (born 1956)
 * Kapadia – Zarir Jamasji Kapadia (born 1935)
 * Kappl. – August Kappler (1815–1887)
 * Kar. – Grigorij Silych Karelin (1801–1872)
 * Kar.-Castro – Vesna Karaman-Castro (fl. 2006)
 * Karremans – Adam Philip Karremans (born 1986)
 * Karsch – Anton Karsch (1822–1892)
 * Karst. – Gustav Karl Wilhelm Hermann Karsten (1817–1908)
 * Kartesz – John T. Kartesz (fl. 1990)
 * Karw. – Wilhelm Friedrich Karwinsky von Karwin (1780–1855)
 * K.A.Sheph. – Kelly Anne Shepherd (born 1970)
 * Kashyap – Shiv Ram Kashyap (1882–1934)
 * Kasper – Andrew Edward Kasper (born 1942)
 * Katinas – Liliana Katinas (born 1961)
 * Kattari – Stefan Kattari (fl. 2016)
 * Kaul – Kailash Nath Kaul (1905–1983)
 * Kaulf. – Georg Friedrich Kaulfuss (1786–1830)
 * Kausel – (1910–1972)
 * Kautman – Václav Kautman (fl. 2017)
 * Kautman. – Ivona Kautmanová (fl. 2015)
 * Kavina – Karel Kavina (1890–1948)
 * Kawah. – Takayuki Kawahara (fl. 1995)
 * Kaz.Osaloo – Shahrokh Kazempour Osaloo (born 1966)
 * K.Balkwill – Kevin Balkwill (born 1958)
 * K.Bergius – Karl Heinrich Bergius (1790–1818)
 * K.Brandegee – Mary Katharine Brandegee (1844–1920)
 * K.Brandt – Andreas Heinrich Karl Brandt (1854–1931)
 * K.Bremer – Kåre Bremer (born 1948)
 * K.D.Hill – Kenneth D. Hill (1948–2010)
 * K.D.Koenig – Charles (Karl) Dietrich Eberhard Koenig (König) (1774–1851)
 * Kearney – Thomas Henry Kearney (1874–1956)
 * Keating – William Hippolitus (Hypolitus, Hypolite) Keating (1799–1844)
 * Keay – Ronald William John Keay (1920–1998)
 * Keck – Karl Keck (1825–1894)
 * Keener – Carl Samuel Keener (born 1931)
 * Keighery – Gregory John Keighery (born 1950)
 * Keissl. – Karl von Keissler (1872–1965)
 * Kellermann – Jürgen Kellermann (born 1972)
 * Kellerm. – William Ashbrook Kellerman (1850–1908)
 * Kellogg – Albert Kellogg (1813–1887)
 * Kellow – Alison Valerie Kellow (born 1969)
 * Kelly – Howard Atwood Kelly (1858–1943)
 * Kelway – James Kelway (1871–1952)
 * Kemmler – Carl Albert Kemmler (1813–1888)
 * Kem.-Nath. – Liubov Kemularia-Nathadze (1891–1985)
 * Keng – Yi Li Keng (1897–1975)
 * Keng f. – Pai Chieh Keng (born 1917)
 * Kenneally – Kevin Francis Kenneally (born 1945)
 * Kenrick – (fl. 1999)
 * Kent – William Saville-Kent (1845–1908)
 * Ker – Charles Henry Bellenden Ker (1785–1871)
 * Keraudren – Monique Keraudren (1928–1981)
 * Kerch. – Oswald Charles Eugène Marie Ghislain de Kerchove de Denterghem (1844–1906)
 * Kereszty – Zoltán Kereszty (born 1937)
 * Ker Gawl. – John Bellenden Ker Gawler (1764–1842)
 * Kerguélen – Michel François-Jacques Kerguélen (1928–1999)
 * Kernst. – Ernst Kernstock (1852–1900)
 * Kerr – Arthur Francis George Kerr (1877–1942)
 * Kers – Lars Erik Kers (1931–2017)
 * Kerst. – Otto Kersten (1839–1900)
 * Keyserl. – Alexander Friedrich Michael Leberecht Arthur von Keyserling (1815–1891)
 * K.F.Parker – Kittie Fenley Parker (1910–1994)
 * K.F.R.Schneid. – Karl Friedrich Robert Schneider (1798–1872)
 * K.F.Schimp. – Karl Friedrich Schimper (1803–1867)
 * K.G.Pearce – Katharine Georgina Pearce (fl. 2003)
 * K.Hammer – Karl Hammer (born 1944)
 * Kharadze – Anna Lukianovna Kharadze (1905–1971)
 * Khawkine – Mardochée-Woldemar Khawkine (1860–1930)
 * K.Heyne – Karel Heyne (1877–1947)
 * K.Hoffm. – Käthe Hoffmann (1883–1960)
 * Khoon – Meng Wong Khoon (fl. 1982)
 * Kiaersk. – Hjalmar Kiærskou (1835–1900)
 * K.I.Chr. – (1955–2012)
 * Kidst. – Robert Kidston (1852–1924)
 * Kies – Pauline Kies (1918–1999)
 * Kiew – Ruth Kiew (born 1946)
 * Kiger – Robert William Kiger (born 1940)
 * Kiggel. – Franz (François, Franciscus) Kiggelaer (1648–1722)
 * K.I.Goebel – Karl Ritter von Goebel (1855–1932) (also known as Karl Immanuel Eberhard Goebel)
 * Killias – Eduard Killias (1829–1891)
 * Killick – Donald Joseph Boomer Killick (1926–2008)
 * Killip – Ellsworth Paine Killip (1890–1968)
 * Killmann – Dorothee Killmann (born 1972)
 * Kimnach – Myron William Kimnach (1922–2018)
 * Kimura – Arika Kimura (1900–1996)
 * Kindb. – Nils Conrad Kindberg (1832–1910)
 * Kindt – Christian Sommer Kindt (1816–1903)
 * King – George King (1840–1909)
 * Kingdon-Ward – Frank Kingdon-Ward (1885–1958)
 * Kinney – Abbot Kinney (1850–1920)
 * Kippist – Richard Kippist (1812–1882)
 * Kirby – Mary Kirby (1817–1893)
 * Kirchn. – Emil Otto Oskar von Kirchner (1851–1925)
 * Kirk – Thomas Kirk (1828–1898)
 * Kirp. – Moisey Elevich Kirpicznikov (1913–1995)
 * Kirschl. – Frédéric Kirschleger (1804–1869)
 * Kirschner – Jan Kirschner (born 1955)
 * Kirschst. – Wilhelm Kirschstein (1863–1946)
 * Kirt. – Kanhoba Ranchoddâs Kirtikar (1849–1917)
 * Kissling – Jonathan Kissling (fl. 2009)
 * Kit. – Pál Kitaibel (1757–1817)
 * Kitag. – Masao Kitagawa (1910–1995)
 * Kitam. – (1906–2002)
 * Kitt. – Martin Baldwin Kittel (1798–1885)
 * Kit Tan – Kit Tan (born 1953)
 * Kittell – Mary Teresita Kittell (1892–1990)
 * Kittlitz – Friedrich Heinrich von Kittlitz (1799–1871)
 * Kittr. – Elsie May Kittredge (1870–1954)
 * K.J.Brooks – K.J. Brooks (fl. 1998)
 * K.J.Cowley – Kirsten Jane Cowley (born 1961)
 * Kjellm. – Frans Reinhold Kjellman (1846–1907)
 * K.Jess. – Knud Jessen (1884–1971)
 * K.J.Kim – Ki Joong Kim (born 1957)
 * K.J.Martin – Kenneth J. Martin (born 1942)
 * K.J.Williams – Kyle Joseph Williams (born 1973)
 * K.Koch – Karl Heinrich Emil Koch (1809–1879)
 * K.Komatsu – Katsuko Komatsu (fl. 2003)
 * K.Krause – Kurt Krause (1883–1963)
 * K.Kurtz – Karl Marie Max Kurtz (1846–1910)
 * Klack. – (born 1951)
 * K.Larsen – Kai Larsen (1926–2012)
 * Klatt – Friedrich Wilhelm Klatt (1825–1897)
 * K.L.Chambers – Kenton Lee Chambers (born 1929)
 * Klopper – Ronell Renett Klopper (born 1974)
 * Klein – Jacob Theodor Klein (1685–1759)
 * Kleinig – David Arthur Kleinig (born 1947)
 * Klinge – Johannes Christoph Klinge (1851–1902)
 * K.L.McDougall – Keith Leonard McDougall (fl. 1956–)
 * Klokov – Michail Vasiljevich Klokov (1896–1981)
 * Kloos – Abraham Willem Kloos (1880–1952)
 * Klotzsch – Johann Friedrich Klotzsch (1805–1860)
 * K.Lyell – Katherine Murray Lyell (1817–1915)
 * K.Madhus. – K. Madhusudhanan (fl. 2014)
 * K.M.Drew – Kathleen Mary Drew-Baker (1901–1957)
 * Kmet'ová – Eva Kmet'ová (born 1942)
 * K.M.Feng – (1917–2007)
 * K.M.Jenssen – Kolbjørn Mohn Jenssen (fl. 1986)
 * K.M.Matthew – Koyapillil Mathai Matthew (1930–2004)
 * K.Möbius – Karl Möbius (1825–1908)
 * K.Morse – Keir Morse (born 1977)
 * K.M.Proft – Kirstin M. Proft (fl. 2016)
 * K.M.Purohit – Kshetra Mohan Purohit (born 1955)
 * K.Müll. – Konrad Müller (born 1857)
 * K.M.Wong – Khoon Meng Wong (born 1954)
 * Knaben – Gunvor Snekvik Knaben (born 1911)
 * K.Nakaj. – Kunio Nakajima (fl. 1951)
 * Knapp – John Leonard Knapp (1767–1845)
 * K.Naray. – K. Narayanaswami (fl. 1946)
 * Knebel – Gottfried Knebel (born 1908)
 * Knerr – Ellsworth Brownell Knerr (1861–1942)
 * Kneuck. – Johann Andreas Kneucker (1862–1946)
 * Knight – Joseph Knight (1778–1855)
 * Knobl. – Emil Friedrich Knoblauch (1864–1936)
 * Knorring – Olga Knorring (1887–1978)
 * Knowles – George Beauchamp Knowles (1790–1862)
 * Knowlt. – Frank Hall Knowlton (1860–1926)
 * Knuth – Paul Knuth (1854–1899)
 * Kny – Carl Ignaz Leopold Kny (1841–1916)
 * Kobuski – Clarence Emmeren Kobuski (1900–1963)
 * Koch – (1759–1831)
 * Kochummen – Kizhakkedathu Mathai Kochummen (1931–1999)
 * Kocyan – Alexander Kocyan (born 1965)
 * Kodela – Phillip Gerhard Kodela (born 1962)
 * Koechlin – Jean Koechlin (born 1926)
 * Koehne – Bernhard Adalbert Emil Koehne (1848–1918)
 * Koeler – Georg Ludwig Koeler (1765–1807)
 * Koell. – Rudolf Albert von Koelliker (1817–1905)
 * Koelle – Johann Ludwig Christian Koelle (1763–1797)
 * K.Ohashi – Kazuaki Ohashi (fl. 2007)
 * Koidz. – Gen-ichi Koidzumi (1883–1953)
 * Kolak. – Alfred Alekseevich Kolakovsky (1906–1997)
 * Kokwaro – John Ongayo Kokwaro (born 1940)
 * Köie – Mogens Engell Köie (1911–2000)
 * Kolberg – H.H. Kolberg (fl. 2001)
 * Kolen. – Friedrich August (Anton) Rudolf Kolenati (1813–1864)
 * Kom. – Vladimir Leontyevich Komarov (1869–1945)
 * Komiya – Sadashi Komiya (born 1932)
 * Kool – Anneleen Kool (fl. 2012)
 * Koopmann – Karl Koopmann (fl. 1879–1900)
 * Koord. – Sijfert Hendrik Koorders (1863–1919)
 * Koord.-Schum. – Anna Koorders-Schumacher (1870–1934)
 * Kops – Jan Kops (1765–1849)
 * Körb. – Gustav Wilhelm Körber (1817–1885)
 * Kores – Paul Joseph Kores (born 1950)
 * Kôriba – Kwan Kôriba (1882–1957)
 * Körn. – Friedrich August Körnicke (1828–1908)
 * Kornh. – (Georg) Andreas von Kornhuber (1824–1905)
 * Korol. – Valentina Alekseevna Koroleva, also Valentina Alekseevna Koroleva-Pavlova (born 1898)
 * Korsh. – Sergei Ivanovitsch Korshinsky (1861–1900)
 * Körte – Heinrich Friedrich Franz Körte (1782–1845)
 * Korth. – Pieter Willem Korthals (1807–1892)
 * K.Osada – Keigo Osada (born 1956)
 * Košanin – Nedeljko Košanin (1874–1934)
 * Koso-Pol. – Boris Mikhailovic Koso-Poljansky (1890–1957)
 * Kostel. – Vincenz Franz Kosteletzky (1801–1887)
 * Kosterm. – André Joseph Guillaume Henri Kostermans (1907–1994)
 * Kotl. – František Kotlaba (1927–2020)
 * Kotov – Mikhail Ivanovich Kotov (1896–1978)
 * Kotschy – Carl Georg Theodor Kotschy (1813–1866)
 * Kottek – Michael H. Kottek (fl. 1990)
 * Kotyk – Michele E. Kotyk (fl. 2002)
 * K.Põldmaa – Kadri Põldmaa (born 1970)
 * K.Prasad – Kothareddy Prasad (born 1985)
 * Kraenzl. – Friedrich Wilhelm Ludwig Kraenzlin (1847–1934)
 * Krajina – Vladimir Joseph Krajina (1905–1993)
 * Kral – Robert Kral (born 1926)
 * Kralik – Jean-Louis Kralik (1813–1892)
 * K.Ramach. – Kamala Ramachandran (born 1932)
 * Krapov. – Antonio Krapovickas (1921–2015)
 * Kras – Marta Kras (fl. 2006)
 * Kras-Lap. – Marta Kras-Lapinska (born 1969)
 * Krasn. – Andrej Nikovaevich Krasnov (1862–1914)
 * Kraus – Gregor Konrad Michael Kraus (1841–1915)
 * Krause – Johann Wilhelm Krause (1764–1842)
 * Kräusel – Richard Oswald Karl Kräusel (1890–1966)
 * Krauskopf – Engelbert Krauskopf (1820–1881)
 * Krauss – Johan Carl Krauss (1759–1826)
 * Krebs – Georg Ludwig Engelhard Krebs (1792–1844)
 * Kremp. – August von Krempelhuber (1813–1882)
 * Kreutz – Carolus Adrianus Johannes Kreutz (born 1954)
 * Kreuz. – Kurt Kreuzinger (1905–1989)
 * Kreyer – Georgij Karlowic Kreyer (1887–1942)
 * K.Richt. – Karl Richter (1855–1891)
 * Krock. – Anton Johann Krocker (1744–1823)
 * Krok – Thorgny Ossian Bolivar Napoleon Krok (1834–1921)
 * Kromb. – Jean-Henri-Guillaume Krombach (1791–1881)
 * Krombh. – Julius Vincenz von Krombholz (1782–1843)
 * Kron – Kathleen Anne Kron (born 1956)
 * K.R.Robertson – Kenneth R. Robertson (born 1941)
 * K.Rosenth. – Käthe Rosenthal (1893–1942 )
 * Krug – Karl (Carl) Wilhelm Leopold Krug (1833–1898)
 * Kruschke – Emil Paul Kruschke (1907–1976)
 * Krüssm. – Johann Gerd Krüssmann (1910–1980)
 * Krylov – Porfirij Nikitich Krylov (1850–1931)
 * K.Schum. – Karl Moritz Schumann (1851–1904)
 * K.S.Lee – Kyung Seo Lee (fl. 1998)
 * K.S.Prasad – Karuvankoodelu Subrahmanya Prasad (born 1983)
 * Kubitzki – Klaus Kubitzki (1933–2022)
 * Kuchel – Rex Harold Kuchel (1917–1985~6)
 * Kudô – Yûshun Kudô (1887–1932)
 * Kuhbier – Manfred Heinrich Kuhbier (born 1934)
 * Kuhl – Heinrich Kuhl (1797–1821)
 * Kuhlm. – João Geraldo Kuhlmann (1882–1958)
 * Kuhn – Friedrich Adalbert Maximilian Kuhn (1842–1894)
 * Kuijt – Job Kuijt (born 1930)
 * Kük. – Georg Kükenthal (1864–1955)
 * Kułak – Magdalena Kułak (fl. 2006)
 * Kumar – Pankaj Kumar (born 1975)
 * Kunkel – Louis Otto Kunkel (1884–1960)
 * Kunth – Carl Sigismund Kunth (1788–1850)
 * Kuntze – Carl Ernst Otto Kuntze (1843–1907)
 * Kunze – Gustav Kunze (1793–1851)
 * Kuo Huang – Ling Lung Kuo Huang (fl. 2005)
 * Kupicha – Frances Kristina Kupicha (1947–2013)
 * Kuprian. – Ludmila Kuprianova (1914–1987)
 * Kurata – S. Kurata (fl. 1931)
 * Kurbanb. – Z. K. Kurbanbekov (born 1935)
 * Kurbanov – D. K. Kurbanov (born 1946)
 * Kurbatsky – Vladimir Ivanovich Kurbatsky (born 1941)
 * Kurczenko – Elena Ivanovna Kurczenko (born 1935)
 * Kurib. – Kazue Kuribayashi (died 1954)
 * Kurita – Siro Kurita (born 1936)
 * Kurkiev – Uolubii Kishtishevich Kurkiev (born 1937)
 * Kurl. – Boguslav Stanislavovich Kurlovich (born 1948)
 * Kurogi – Munengo Kurogi (1921–1988)
 * Kurok. – Syo Kurokawa (1926–2010)
 * Kurr – Johann Gottlob von Kurr (1798–1870)
 * Kürschner – Harald Kürschner (born 1950)
 * Kurtto – Arto Kurtto (born 1951)
 * Kurtz – Fritz (Federico) Kurtz (1854–1920)
 * Kurtzman – Cletus P. Kurtzman (1938–2017)
 * Kurz – Wilhelm Sulpiz Kurz (1834–1878)
 * Kurzweil – Hubert Kurzweil (born 1958)
 * Kusn. – Nicolai Ivanowicz Kusnezow (1864–1932)
 * Küster – Ernst Küster (1874–1953)
 * Kuswata – E. Kuswata Kartawinata (born 1936)
 * Kütz. – Friedrich Traugott Kützing (1807–1893)
 * Kuusk – Vilma Kuusk (born 1931)
 * K.V.George – K.V. George (fl. 1960)
 * K.Watan. – Kuniaki Watanabe (fl. 2001)
 * K.W.Dixon – Kingsley Wayne Dixon (born 1954)
 * K.Wilh. – Karl Adolf Wilhelm (1848–1933)
 * K.W.Jiang – Kaiwen Jiang (fl. 2020)
 * K.Y.Lang – Kai Yung Lang (born 1937)
 * K.Y.Pan – Kai Yu Pan (born 1937)

L

 * L. – Carl Linnaeus (or Carolus Linnæus) (1707–1778)
 * Labat – Jean-Noël Labat (1959–2011)
 * Labill. – Jacques Labillardière (1755–1834)
 * Labrecque – Jacques Labrecque (fl. 1996)
 * Labuda – Roman Labuda (fl. 2008)
 * Lacaita – Charles Carmichael Lacaita (1853–1933)
 * Lace – John Henry Lace (1857–1918)
 * Lackovičová – Anna Lackovičová (fl. 2010)
 * Ladiges – Pauline Y. Ladiges (born 1948)
 * La Duke – John C. La Duke (born 1950)
 * Laest. – Lars Levi Læstadius (Laestadius) (1800–1861)
 * Laferr. – Joseph E. Laferrière (born 1955)
 * Lag. – Mariano Lagasca y Segura (1776–1839)
 * Lagerh. – Nils Gustaf von Lagerheim (1860–1926)
 * Lahman – Bertha Marion Lahman (1872–1950)
 * Laib. – Friedrich Laibach (born 1885)
 * Laing – Robert Malcolm Laing (1865–1941)
 * Lakela – Olga Korhoven Lakela (1890–1980)
 * Lakow. – Conrad Waldemar Lakowitz (1859–1945)
 * La Llave – Pablo de La Llave (1773–1833)
 * L.Allorge – Lucile Allorge (1937–2023)
 * Lally – Terena R. Lally (fl. 2008)
 * Lam. – Jean-Baptiste Lamarck (1744–1829)
 * Lama – Dorjay Lama (fl. 1992)
 * Lamb. – Aylmer Bourke Lambert (1761–1842)
 * Lammers – Thomas G. Lammers (born 1955)
 * Lamond – Jenifer M. Lamond (born 1936)
 * Lamont – Byron Barnard Lamont (born 1945)
 * Lamy – Pierre Marie Édouard Lamy de la Chapelle (1804–1886)
 * Lancaster – Charles Roy Lancaster (born 1937)
 * Lander – Nicholas Sèan Lander (born 1948)
 * L.Andersson – Bengt Lennart Andersson (1948–2005)
 * Landolt – Elias Landolt (1926–2013)
 * Landrum – Leslie R. Landrum (born 1946)
 * Lane-Poole – Charles Edward Lane-Poole (1885–1970)
 * Laness. – Jean Marie Antoine de Lanessan (1843–1919)
 * Lange – Johan Martin Christian Lange (1818–1898)
 * Langenh. – Jean Harmon Langenheim (1925–2021)
 * Langeron – Maurice Charles Pierre Langeron (1874–1950)
 * Langeth. – Christian Eduard Langethal (1806–1878)
 * Langsd. – Georg Heinrich von Langsdorff (1774–1852)
 * Lank. – E. Ray Lankester (1847–1929)
 * Lantz.-Bén. – Georg Boyung Scato Lantzius-Béninga (1815–1871)
 * Lapeyr. – Baron Philippe-Isidore Picot de Lapeyrouse (La Peirouse) (1744–1818)
 * Lapham – Increase Allen Lapham (1811–1875)
 * Larrañaga – Dámaso Antonio Larrañaga (1771–1848)
 * Larter – Clara Ethelinda Larter (1847–1936)
 * L.A.S.Johnson – Lawrence Alexander Sidney Johnson (1925–1997)
 * Lassen – Per Lassen (born 1942)
 * Lasser – Tobías Lasser (1911–2006)
 * Latap. – François-de-Paule Latapie (1739–1823)
 * Laterr. – Jean François Laterrade (1784–1858)
 * Latiff – Abdul Latiff (fl. 1989)
 * Lat.-Marl. – Joseph Bory Latour-Marliac (1830–1911)
 * Latourr. – Marc Antoine Louis Claret de La Tourrette (1729–1793)
 * Latz – Peter K. Latz (born 1941)
 * Laurer – Johann Friedrich Laurer (1798–1873)
 * Lauterb. – Carl Adolf Georg Lauterbach (1864–1937)
 * Lauterborn – Robert Lauterborn (1869–1952)
 * Lauz.-March. – Marguerite Lauzac-Marchal (fl. 1974)
 * Lavallée – Pierre Alphonse Martin Lavallée (1836–1884)
 * Lavarack – Peter S. ('Bill') Lavarack (fl. 1975)
 * Lavranos – John Jacob Lavranos (1926–2018)
 * Lavrent. – Georgios Lavrentiades (born 1920)
 * Lawalrée – André Gilles Célestin Lawalrée (1921–2005)
 * Lawrance – Mary Lawrance (fl. 1790–1831)
 * Lawson – George Lawson (1827–1895)
 * Laxm. – Erich G. Laxmann (1737–1796)
 * L.A.Ye – Lwin Aung Ye (fl. 2017–)
 * Layens – Georges de Layens (1834–1897)
 * Laz. – Andrei Sazontovich Lazarenko (1901–1979)
 * L.B.Moore – Lucy Beatrice Moore (1906–1987)
 * L.Bolus – Harriet Margaret Louisa Bolus (née Kensit) (1877–1970)
 * L.Borgen – Liv Borgen (born 1943)
 * L.B.Sm. – Lyman Bradford Smith (1904–1997)
 * L.Clark – Lois Clark (1884–1967)
 * L.C.Leach – Leslie Charles Leach (1909–1996)
 * L.C.Wheeler – Louis Cutter Wheeler (1910–1980)
 * L.D.Benson – Lyman David Benson (1909–1993)
 * L.D.Gómez – Luis Diego Gómez (1944–2009)
 * L.D.Pryor – Lindsay Pryor (1915–1998)
 * Leadlay – Etelka A. Leadlay (born 1947)
 * L.E.Anderson – Lewis Edward Anderson (1912–2007)
 * Leandri – Jacques Désiré Leandri (1903–1982)
 * Leandro – P. Leandro do Sacramento (1778–1829)
 * Leaney – R.M. Leaney (fl. 2009)
 * Leav. – Robert Greenleaf Leavitt (1865–1942)
 * Leavenw. – Melines Conklin Leavenworth (1796–1832)
 * L.E.Bishop – Luther Earl Bishop (1943–1991)
 * Lebrun – Jean Paul Antoine Lebrun (1906–1985)
 * Leclercq – Suzanne Céline Marie Leclercq (1901–1994)
 * Lecomte – Paul Henri Lecomte (1856–1934)
 * Leconte – John (Eatton) Leconte (1784–1860)
 * Lecoq – Henri Lecoq (1802–1871)
 * Lecoy. – Joseph Cyprien Lecoyer (1835–1899)
 * Ledeb. – Carl Friedrich von Ledebour (1785–1851)
 * Leefe – John Ewbank Leefe (1813–1889)
 * Leeke – Georg Gustav Paul Leeke (1883–1933)
 * Leenh. – Pieter Willem Leenhouts (1926–2004)
 * Leerat. – Charan Leeratiwong (fl. 2003)
 * Leers – Johann Georg Daniel Leers (1727–1774)
 * Lees – Edwin Lees (1800–1887)
 * Leeuwenb. – Anthonius Josephus Maria Leeuwenberg (1930–2010)
 * Legrand – Antoine Legrand (1839–1905)
 * Lehm. – Johann Georg Christian Lehmann (1792–1860)
 * Lehnebach – Carlos Adolfo Lehnebach (born 1974)
 * Leibold (also F.E.Leyb.) – Friedrich Ernst Leibold (surname also spelled "Leybold") (1804–1864) (not to be confused with botanist Friedrich Leybold (1827–1879))
 * Leichtlin – Maximilian Leichtlin (1831–1910)
 * Leight. – William Allport Leighton (1805–1889)
 * Leitg. – Hubert Leitgeb (1835–1888)
 * Leitn. – Edward Frederick Leitner (1812–1838)
 * Lej. – Alexandre Louis Simon Lejeune (1779–1858)
 * Le Jol. – Auguste François Le Jolis (1823–1904)
 * Lellinger – David B. Lellinger (born 1937)
 * Lelong – Michel G. Lelong (born 1932)
 * Lem. – Charles Antoine Lemaire (1800–1871)
 * Le Maout – Jean Emmanuel Maurice Le Maout (1799–1877)
 * Leme – Elton Leme (born 1960)
 * Lemée – Albert Marie Victor Lemée (1872–1961)
 * Lemmerm. – Ernst Johann Lemmermann (1867–1915)
 * Lemmon – John Gill Lemmon (1832–1908)
 * Lemoine – (Pierre Louis) Victor Lemoine (1823–1911)
 * Le Monn. – Louis-Guillaume Le Monnier (1717–1799)
 * Lemson – Kristina L. Lemson (fl. 2007)
 * L.E.Navas – Luisa Eugenia Navas (1920–2020)
 * Lenorm. – Sébastien René Lenormand (1796–1871)
 * León – Frère León (Joseph Sylvestre Sauget) (1871–1955)
 * Leonard – Emery Clarence Leonard (1892–1968)
 * Lepage – Ernest Lepage (1905–1981)
 * Lepech. – Ivan Ivanovich Lepechin (1737–1802)
 * Lepr. – François Mathias René Leprieur (1799–1869)
 * Lepschi – Brendan John Lepschi (born 1969)
 * L.E.Rodin – Leonid Efimovich Rodin (1907–1990)
 * Leroy – André Leroy (1801–1875)
 * Les – Donald H. Les (born 1954)
 * Lesch. – Jean-Baptiste Leschenault de La Tour (1773–1826)
 * L.E.Skog – Laurence Edgar Skog (born 1943)
 * Lesq. – Charles Léo Lesquereux (1806–1889)
 * Less. – Christian Friedrich Lessing (1809–1862)
 * Lester – Richard Neville Lester (1937–2006)
 * Le Thomas – Annick Le Thomas (born 1936)
 * Letouzey – René Letouzey (1918–1989)
 * Leunis – Johannes Leunis (1802 –1873)
 * Letr.-Gal. – Marie-Agnès Letrouit-Galinou (born 1931)
 * Leussink – Jan A. Leussink (fl. 1979)
 * Lév. – Joseph-Henri Léveillé (1796–1870)
 * Levyns – Margaret Rutherford Bryan Levyns (1890–1975)
 * L.E.Watson – Linda E. Watson (fl. 1990)
 * Lewej. – Klaus Lewejohann (born 1937)
 * Lewin – Ralph Arnold Lewin (1921–2008)
 * Lewis – Meriwether Lewis (1774–1809)
 * Lewton – Frederick Lewis Lewton (1874–1959)
 * Lex. – Juan José Martinez de Lexarza (1785–1824)
 * Leyb. – Friedrich Leybold (1827–1879) (not to be confused with botanist Friedrich Ernst Leibold (1804–1864), whose surname was also sometimes spelled "Leybold")
 * Leyss. – Friedrich Wilhelm von Leysser (1731–1815)
 * L.f. – Carl Linnaeus the Younger (1741–1783)
 * L.F.Hend. – Louis Forniquet Henderson (1853–1942)
 * L.Fisch. – Ludvig Fischer (1828–1907)
 * L.Fuchs – Leonhart Fuchs (1501–1566)
 * L.G.Clark – Lynn G. Clark (born 1956)
 * L.G.Cook – Lyn G. Cook (fl. 2017)
 * L.Gentil – Théodore August Louis François Gentil (1874–1949)
 * L.Guthrie – Louise Guthrie (1879–1966)
 * L.G.Xu – Li Guo Xu (born 1936)
 * L.H.Bailey – Liberty Hyde Bailey (1858–1954)
 * L.H.Dewey – Lyster Hoxie Dewey (1865–1944)
 * L.Henry – Louis Henry (1854–1913)
 * L'Hér. – Charles Louis L'Héritier de Brutelle (1746–1800)
 * L.H.Gray – Louis Harold Gray (1905–1965)
 * L.Höhn. – Ludwig von Höhnel (1857–1942)
 * Lhotsky – Johann Lhotsky (1800–1860s)
 * Liais – Emmanuel Liais (1826–1900)
 * Liang Ma – Liang Ma (fl. 2016)
 * Lib. – Marie-Anne Libert (1782–1865)
 * Liben – Louis Liben (1926–2006)
 * Libosch. – Joseph Liboschitz (1783–1824)
 * L.I.Cabrera – Lidia Irene Cabrera (born 1964)
 * Licht. – Martin Lichtenstein (1780–1857)
 * Liddle – David J. Liddle (?–2009)
 * Lidén – Magnus Lidén (born 1951)
 * Liebl. – Franz Kaspar (or Caspar) Lieblein (1744–1810)
 * Liebm. – Frederik Michael Liebmann (1813–1856)
 * Lightf. – John Lightfoot FRS (1735–1788)
 * Lign. – Elie Antoine Octave Lignier (1855–1916)
 * Lilj. – Samuel Liljeblad (1761–1815)
 * Lilja – Nils Lilja (1808–1870)
 * Lillie – Denis G. Lillie (1884–1963)
 * Lillo – Miguel Lillo (1862–1931)
 * Liltved – William Rune Liltved (born 1960)
 * Limpr. – Karl Gustav Limpricht (1834–1902)
 * Lincz. – Igor Alexandrovich Linczevski (1908–1997)
 * Lindau – Gustav Lindau (1866–1923)
 * Lindb. – Sextus Otto Lindberg (1835–1889)
 * Lindeb. – Carl Johan Lindeberg (1815–1900)
 * Linden – Jean Jules Linden (1817–1898)
 * Lindenb. – Johann Bernhard Wilhelm Lindenberg (1781–1851)
 * Lindh. – Ferdinand Lindheimer (1801–1879)
 * Lindl. – John Lindley (1799–1865)
 * Lindm. – Carl Axel Magnus Lindman (1856–1928)
 * Lindq. – Sven Bertil Gunvald Lindquist (1904–1963)
 * Lingelsh. – Alexander von Lingelsheim (1874–1937)
 * Link – Johann Heinrich Friedrich Link (1767–1851)
 * Linsbauer – Karl Linsbauer (1872–1934)
 * Linton – William James Linton (1812–1897)
 * Lippold – Hans Lippold (1932–1980)
 * Lipsky – Vladimir Ippolitovich Lipsky (1863–1937)
 * L.I.Savicz – Lydia Ivanovna Savicz-Lubitskaya (1886–1982)
 * Lisboa – José Camillo Lisboa (1823–1897)
 * Lisická – Eva Lisická (fl. 2005)
 * Litard. – René Verriet de Litardière (1888–1957)
 * Little – Elbert Luther Little (1907–2004)
 * Litv. – Dmitrij Ivanovitsch Litvinov (1854–1929)
 * Livingst. – C. Livingstone (born 1949)
 * Lizoň – Pavel Lizoň (born 1945)
 * L.J.Chen – Li Jun Chen (born 1980)
 * L.J.Davenp. – Lawrence James Davenport (born 1952)
 * Lj.N.Vassiljeva – Ljubov Nikolaevna Vassiljeva (1901–1985)
 * L.K.Escobar – Linda Katherine Escobar (1940–1993)
 * L.K.Fu – Li-kuo Fu (born 1934)
 * Llanos – Antonio Llanos (1806–1881)
 * L.L.Daniel – Lucien Louis Daniel (1856–1940)
 * L.Li – Lin Li (fl. 2008)
 * L.Liu – Liang Liu (1933–2001)
 * L.Ll.Phillips – Lyle Llewellyn Phillips (born 1923)
 * L.M.Ames – Lawrence Marion Ames (1900–1966)
 * L.Martin – Lucille Martin (born 1925)
 * L.Martins – Ludwig Martins (fl. 2005)
 * L.McCulloch – Lucia McCulloch (1873–1955)
 * L.McDougall – Lyn McDougall (fl. 1990)
 * L.M.Copel. – Lachlan Mackenzie Copeland (born 1973)
 * L.M.Perry – Lily May Perry (1895–1992)
 * L.M.Vidal – Luis Mariano Vidal (1842–1922)
 * L.Newton – Lily Newton (1893–1981)
 * L.Nutt. – Lawrence William Nuttall (1857–1933)
 * Lobel – Matthias de l'Obel (de Lobel) (or Matthaeus Lobelius) (1538–1616)
 * Lockh. – David Lockhart (died 1846)
 * Lodd. – Joachim Conrad Loddiges (1738–1826)
 * Loefl. – Pehr Loefling (1729–1756)
 * Loes. – Ludwig Eduard Theodor Loesener (1865–1941)
 * Loeske – Leopold Loeske (1865–1935)
 * Loher – August Loher (1874–1930)
 * Loisel. – Jean-Louis-Auguste Loiseleur-Deslongchamps (1774–1849)
 * Lojac. – Michele Lojacono (1853–1919)
 * Lom – Jiří Lom (1931–2010)
 * Lomakin – Aleksandr Aleksandrovich Lomakin (1863–1930)
 * Lombardi – Julio Antonio Lombardi (born 1961)
 * Londoño — Ximena Londoño (born 1958)
 * Long – William Henry Long (1867–1947)
 * Longyear – Burton Orange Longyear (1868–1969)
 * Lonitzer – Adam Lonicer (Lonitzer) (also as Adamus Lonicerus) (1528–1586)
 * Lönnrot – Elias Lönnrot (1802–1884)
 * Loo – Adrian Hock Beng Loo (fl. 2004)
 * Loosjes – Adriaan Loosjes (1761–1818)
 * López Laphitz – Rita María López Laphitz (fl. 2011)
 * Lorch – Wilhelm Lorch (1867–1954)
 * Lord – Ernest E. Lord (1899–1970)
 * Lorence – David H. Lorence (born 1946)
 * Lorentz – Paul Günther Lorentz (1835–1881)
 * Loschnigg – Vilim Loschnigg or Wilhelm Loschnigg (born 1897)
 * Losinsk. – Agnia Sergeyevna Losina-Losinskaja (1903–1958)
 * Lothian – Thomas Robert Noel Lothian (1915–2004)
 * Lotsy – Johannes Paulus Lotsy (1867–1931)
 * Lott – Henry J. Lott (fl. 1938)
 * Loudon – John Claudius Loudon (1783–1843)
 * Lounsb. – Alice Lounsberry (1872–1949)
 * Lour. – João de Loureiro (1717–1791)
 * Lourteig – Alicia Lourteig (1913–2003)
 * Love – Robert Merton Love (1909–1994)
 * Lowe – Richard Thomas Lowe (1802–1874)
 * L.O.Williams – Louis Otho Williams (1908–1991)
 * Lowrey – Timothy K. Lowrey (born 1953)
 * Lowrie – Allen Lowrie (1948–2021)
 * Lowry – Porter Prescott Lowry (born 1956)
 * Lozano – Gustavo Lozano-Contreras (1938–2000)
 * L.Planch. – Louis David Planchon (1858–1915)
 * L.Post – Ernst Jakob (Jacob) Lennart von Post (1884–1951)
 * L.Preiss – Ludwig Preiss (1811–1883)
 * L.R.Blinks – Lawrence Rogers Blinks (1900–1989)
 * L.R.Fraser – Lilian Ross Fraser (1908–1987)
 * L.Rico – Maria de Lourdes Rico (born 1955)
 * L.R.Jones – Lewis Ralph Jones (1864–1945)
 * L.R.Kerr – Lesley Ruth Kerr (1900–1927)
 * L.R.Landrum – Leslie R. Landrum (born 1946)
 * L.Schneid. – Eduard Karl Ludwig Schneider (1809–1889)
 * L.Söderstr. – Lars Söderström (born 1954)
 * L.Späth – Louis Späth (fl. 1892)
 * L.S.Sm. – Lindsay Stewart Smith (1917–1970)
 * L.T.Lu – Ling Ti Lu (born 1930)
 * L.T.Monks – Leonie T. Monks (fl. 2023)
 * Lubag-Arquiza – Amihan Mercado Lubag-Arquiza (born 1967)
 * Lucand – Jean Louis Lucand (1821–1896)
 * Luces – Zoraida Luces de Febres (1922–2015)
 * Lückel – Emil Lückel (born 1927)
 * Ludlow – Frank Ludlow (1885–1972)
 * Luehm. – Johann George W. Luehmann (1843–1904)
 * Luer – Carlyle A. Luer (1922–2019)
 * Luetzelb. – Philipp von Luetzelburg (1880–1948)
 * Lumley – Peter Francis Lumley (born 1938)
 * Lundell – Cyrus Longworth Lundell (1907–1994)
 * Lundin – Roger Lundin (1955–2005)
 * Lundmark – Johan Daniel Lundmark (1755–1792)
 * Lunell – Joël Lunell (1851–1920)
 * L.Uribe – Antonio Lorenzo Uribe Uribe (1900–1980)
 * Lush. – Alfred Wyndham Lushington (1860–1920)
 * Lüth – Michael Lüth (fl. 2002)
 * Lütjeh. – Wilhelm Jan Lütjeharms (1907–1983)
 * Lutz – Berta Maria Júlia Lutz (1894–1976)
 * Luxf. – George Luxford (1807–1854)
 * L.Watson – Leslie Watson (born 1938)
 * L.W.Cayzer – Lindy W. Cayzer (born 1952)
 * L.W.Lenz – Lee Wayne Lenz (1915–2019)
 * L.W.Sage – Leigh William Sage (born 1970)
 * Lý – Trân Ðinh Lý (born 1939)
 * Lyall – David Lyall (1817–1895)
 * Lydgate – John Mortimer Lydgate (1854–1922)
 * Lye – Kaare Arnstein Lye (1940–2021)
 * Lyell – Charles Lyell (1767–1849)
 * Lyne – Andrew M. Lyne (fl. 1993)
 * Lyons – Israel Lyons (1739–1775)

M–Z
To find entries for M–Z, use the table of contents above.