•
J.A.Armstr. –
James Andrew Armstrong (born 1950) •
Jaaska –
Vello Jaaska (born 1936) •
Jabbour –
Florian Jabbour (
fl. 2011) •
Jack –
William Jack (1795–1822) •
Jackes –
Betsy Rivers Jackes (born 1935) •
Jacks. –
George Jackson (1780–1811) •
J.A.Clark –
Josephine Adelaide Clark (1856–1929) •
Jac.M.Burke –
Jacinta Marie Burke (
fl. 2006) •
Jacobi – (1805–1874) •
Jacobs –
Maxwell Ralph Jacobs (1905–1979) •
Jacobsen –
Hans Jacobsen (1815–1891) •
Jacobsson –
Stig Jacobsson (born 1938) •
Jacot Guill. –
Amy Jacot Guillarmod (1911–1992) •
Jacq. –
Nikolaus Joseph von Jacquin (1727–1817) •
Jacq.-Fél. – (born 1907) •
Jacquem. –
Venceslas Victor Jacquemont (1801–1832) •
Jacques –
Henri Antoine Jacques (1782–1866) •
Jacquinot –
Honoré Jacquinot (1814–1887) •
Jacz. –
Arthur Arthurovič Jaczewski (1863–1932) •
Jaderh. –
Axel Elof Jaderholm (1868–1927) •
Jafri –
Saiyad Masudal Hasan Jafri (1927–1986) •
J.Agardh –
Jacob Georg Agardh (1813–1901) •
J.A.Guim. – (1862–1922) •
Jahand. –
Émile Jahandiez (1876–1938) •
Jakubz. –
Moisej Markovič Jakubziner (1898–1979) •
Jalal –
Jeewan Singh Jalal (born 1979) •
Jalas –
Arvo Jaakko Juhani Jalas (1920–1999) •
Jalink –
Leonardo Martinus Jalink (born 1956) •
Jallad –
Walid Jallad (
fl. 1975) •
J.Allam. –
Jean-Nicolas-Sébastien Allamand (1713 or 1716–1787 or 1793) •
J.A.Martind. –
Joseph Anthony Martindale (1837–1914) •
J.A.McDonald – (
fl. 1982) •
James –
Thomas Potts James (1803–1882) •
Jameson –
William Jameson (1796–1873) •
J.A.Muir –
John A. Muir (
fl. 1973) •
Janch. –
Erwin Emil Alfred Janchen (1882–1970) •
Jančovič. –
Soňa Jančovičová (fl. 2011) •
Jancz. –
Edward Janczewski (1846–1918) •
J.Anderson –
James Anderson (
fl. 1868) •
J.Andrews –
J. Andrews (
fl. 1952) •
Janes –
Jasmine K. Janes (
fl. 2010) •
Janisch. – (1875–1944) •
Janka –
Victor von Janka (1837–1900) •
Janošík –
Lukáš Janošík () •
Janse –
Johannes Albertus Janse (1911–1977) •
J.Anthony –
John Anthony (1891–1972) •
J.A.Nyberg –
Jane A. Nyberg () •
J.A.Palmer –
Julius Auboineau Palmer (1840–1899) •
Jarman –
S. Jean Jarman •
J.A.Schmidt –
Johann Anton Schmidt (1823–1905) •
Játiva – (
fl. 1963) •
Jaub. –
Hippolyte François Jaubert (1798–1874) •
Jáv. –
Sándor (Alexander) Jávorka (1883–1961) •
J.Bauhin –
Johann Bauhin (1541–1613) •
J.B.Beck –
James B. Beck (
fl. 2010) •
J.B.Comber –
James Boughtwood Comber (1929–2005) •
J.B.Fisch. –
Johann Baptist Fischer (1803–1832) •
J.B.Hutch. –
Joseph Burtt Hutchinson (1902-1988) •
J.B.Kirkp. – (born 1946) •
J.B.Mackay –
John Bain Mackay (1795–1888) •
J.B.Nelson –
John B. Nelson (born 1951) •
J.B.Petersen –
Johannes Boye Petersen (1887–1961) •
J.B.Phipps – (born 1934) •
J.Bradbury –
John Bradbury (1768–1823) •
J.Bradshaw –
John Bradshaw (1863–1939) •
J.Breitenb. –
Josef Breitenbach (1927–1998) •
J.B.Rohr –
Julius Bernard von Röhr (1686–1742) •
J.B.Sinclair –
James Burton Sinclair (born 1927) •
J.Buchholz –
John Theodore Buchholz (1888–1951) •
J.B.Williams –
John Beaumont Williams (1932–2005) •
J.Carey –
John Carey (1797–1880) •
J.C.Clausen –
Jens Christen (Christian) Clausen (1891–1969) •
J.C.Costa –
José Carlos Augusta da Costa (born 1955) •
J.C.F.Hopkins –
John Collier Frederick Hopkins (1898–1981) •
J.C.Fisch. –
Johann Carl Fischer (1804–1885) •
J.C.Gomes –
José Corrêa Gomes, Jr. (1919–1965) •
J.C.Hickman –
James Craig Hickman (1941–1993) •
J.Clayton –
John Clayton (1694–1773) •
J.C.Manning –
John Charles Manning (born 1962) •
J.C.Martínez –
J. Carlos Martínez Macchiavello (born 1931) •
J.C.Mikan –
Johann Christian Mikan (1769–1844) •
J.C.Nelson –
James Carlton Nelson (1867–1944) •
J.Commelijn –
Jan Commelin (also known by Jan Commelijn or Johannes Commelinus) (1629–1692) •
J.Compton –
James A. Compton (born 1953) •
J.C.Parks –
James C. Parks (1942–2002) •
J.C.Prag. –
Jan C. Prager (born 1934) •
J.C.Ross –
James Clark Ross (1800–1862) •
J.C.Siqueira –
Josafá Carlos de Siqueira (born 1953) •
J.C.Sowerby –
James de Carle Sowerby (1787–1871) •
J.C.Vogel –
Johannes Vogel (born 1963) •
J.C.Wendl. –
Johann Christoph Wendland (1755–1828) •
J.D.Arm. –
James D. Armitage (born 1976) •
J.D.Bacon –
John Dudley Bacon (born 1943) •
J.D.Briggs –
John D. Briggs (
fl. 1994) •
J.D.Mitch. –
John D. Mitchell (
fl. 1993) •
J.Dransf. –
John Dransfield (born 1945) •
J.D.Ray –
James Davis Ray Jr. (1918–1990) •
J.Drumm. –
James Drummond (1784–1863) •
J.D.Sauer –
Jonathan Deininger Sauer (1918–2008) •
J.D.Schultze –
Johannes Dominik Schultze (1752–1790) •
J.Duan –
Jun Duan (
fl. 2010) •
J.E.Alexander –
James Edward Alexander (1803–1885) •
Jeanes –
Jeffrey A. Jeanes (
fl. 2000) •
Jean White –
Jean White-Haney (1877–1953) •
Jebb –
Matthew H. P. Jebb (born 1958) •
J.E.Br. –
John Ednie Brown (1848–1899) •
Jefferies –
R.L. Jefferies (
fl. 1987) •
Jeffrey – (1866–1943) •
J.E.Gray –
John Edward Gray (1800–1875) •
Jekyll –
Gertrude Jekyll (1843–1932) •
J.E.Lange –
Jakob Emanuel Lange (1864–1941) (father of
Knud Morten Lange) •
J.E.Little –
Joseph Edward Little (1861–1935) •
J.Ellis –
John Ellis (1710–1776) •
J.E.Palmér –
Johan Ernst Palmér (1863–1946) •
J.E.Pohl –
Johann Ehrenfried Pohl (1746–1800) •
Jeps. –
Willis Linn Jepson (1867–1946) •
Jérémie –
Joël Jérémie (born 1944) •
J.E.Reid –
Jordan E. Reid (
fl. 2009) •
J.E.Sowerby –
John Edward Sowerby (1825–1870) •
Jess. –
Karl Friedrich Wilhelm Jessen (1821–1889) •
Jessop – (born 1939) •
Jessup –
Laurence W. Jessup (born 1947) •
Jeswiet –
Jacob Jeswiet (1879–1966) •
Jeuken –
M. Jeuken (
fl. 1952) •
J.Everett –
Joy Everett (born 1953) •
J.E.Vidal – (1914–2020) •
J.E.Wright –
Jorge Eduardo Wright (1922–2005) •
J.E.Zetterst. – (1828–1880) •
J.Fabr. –
Johan Christian Fabricius (1745–1808) •
J.F.Bailey –
John Frederick Bailey (1866–1938) •
J.F.Clark –
Judson Freeman Clark (1870–1942) •
J.F.Cowell –
John Francis Cowell (1852–1915) •
J.F.Gmel. –
Johann Friedrich Gmelin (1748–1804) •
J.Fisch. –
Jacob Benjamin Fischer (1730–1793) •
J.-F.Leroy –
Jean-François Leroy (1915–1999) •
J.Florence –
Jacques Florence (born 1951) •
J.F.Macbr. –
James Francis Macbride (1892–1976) •
J.F.Matthews –
James F. Matthews (born 1935) •
J.F.Maxwell –
James F. Maxwell (1949–2015) •
J.Forbes –
James Forbes (1773–1861) •
J.Frost –
John Frost (1803–1840) •
J.Fryer –
Jeanette Fryer (
fl. 1993) •
J.Gay –
Jacques Etienne Gay (1786–1864) •
J.G.Cooper –
James Graham Cooper (1830–1902) •
J.Gerard –
John Gerard (1545–1612) •
J.Gerlach – (born 1970) •
J.G.Fowler –
J. Gurney Fowler (
fl. 1914) •
J.G.Gmel. –
Johann Georg Gmelin (1709–1755) •
J.G.Jack –
John George Jack (1861–1949) •
J.G.Kühn –
Julius Gotthelf Kühn (1825–1910) •
J.G.Nelson –
John Gudgeon Nelson (1818–1882) •
J.Gröntved –
Julius Gröntved (or Grøntved) (1899–1967) •
J.G.Sm. – (1866–1957) •
J.Guan Wang –
Jia-Guan Wang (
fl. 2022) •
J.G.West –
Judith Gay West (born 1949) •
J.H.Adam –
Jumaat Haji Adam (born 1956) •
J.H.Chau –
John H. Chau (
fl. 2017) •
J.H.Christ –
John Henry ("Heinie") Christ (1896–1972) •
J.Harriman –
John Harriman (1760–1831) •
J.Heck. –
Jacqueline Heckenhauer () •
J.H.Kirkbr. –
Joseph Harold Kirkbride (born 1943) •
J.Hogg –
John Hogg (1800–1869) •
J.Houz. –
Jean Houzeau de Lehaie (1867–1959) •
J.H.Ross –
James Henderson Ross (born 1941) •
J.H.Schaffn. –
John Henry Schaffner (1866–1939) •
J.H.So –
Ji Hyeon So (
fl. 2017) •
J.H.Thomas –
John Hunter Thomas (1928–1999) •
J.H.Wallace –
John Hume Wallace (born 1918) •
J.H.Willis –
James Hamlyn Willis (1910–1995) •
Jian Wang ter –
Jian Wang (
fl. 2016) •
Jian W.Li –
Jian Wu Li (
fl. 2014) •
J.I.Cohen –
James I. Cohen (
fl. 2009) •
Jílek –
Bohumil Jílek (1905–1972) •
J.Jacobsen –
Jens Peter Jacobsen (1847–1885) •
J.J.Amann –
Jean Jules Amann (1859–1939) •
J.J.Atwood –
John Jacob Atwood (born 1981) •
J.J.Bruhl –
Jeremy James Bruhl (born 1956) •
J.J.Engel –
John Jay Engel (born 1941) •
J.Jiménez Alm. – (1905–1982) •
J.J.Kickx –
Jean Jacques Kickx (1842–1887) •
J.J.Rodr –
Juan Joaquín Rodríguez y Femenías (1839–1905) •
J.J.Scheuchzer –
Johann Jacob Scheuchzer (1672–1733) •
J.J.Sm. –
Johannes Jacobus Smith (1867–1947) •
J.Jundz. – (1794–1877) •
J.Juss. –
Joseph de Jussieu (1704–1779) •
J.J.Verm. –
Jaap J. Vermeulen (born 1955) •
J.J.Wood –
Jeffrey James Wood (1952–2019) •
J.K.Bartlett –
John Kenneth Bartlett (1945–1986) •
J.Kern –
Johannes Hendrikus Kern (1903–1974) •
J.Kern. –
Johann Simon von Kerner (1755–1830) •
J.Kickx –
Jean Kickx, Sr. (1775–1831) •
J.Kickx f. –
Jean Kickx, Jr. (1803–1864) •
J.K.Morton –
John Kenneth Morton (1928–2011) •
J.Koenig –
Johann Gerhard Koenig (1728–1785) •
J.Kost. –
Joséphine Thérèse Koster (1902–1986) •
J.K.Towns. –
John Kirk Townsend (1809–1851) •
J.Lachm. – (1832–1860) •
J.L.Clark –
John Littner Clark (born 1969) •
J.Lee –
James Lee (1715–1795) •
J.Léonard –
Jean Joseph Gustave Léonard (1920–2013) •
J.L.Garrido –
José Luis Garrido (
fl. 2012) •
J.L.Gentry –
Johnnie Lee Gentry (born 1939) •
J.Lowe –
Josiah Lincoln Lowe (1905–1997) •
J.L.Palmer –
Johann Ludwig Palmer (1784–1836) •
J.L.Parm. –
Jean Louis Jacques Henri Parmentier (1777–1865) •
J.L.Porter –
John L. Porter (born 1964) •
J.L.Schultz –
Joanna L. Schultz (born 1963) •
J.Lundb. –
Johannes Lundberg (
fl. 2001) •
J.MacGill. –
John MacGillivray (1822–1867) •
J.Mackay –
James Townsend Mackay (1775–1862) •
J.Macrae –
James Macrae (died 1830) •
J.Martyn –
John Martyn (1699–1768) •
J.Mathew –
Jose Mathew (born 1985) •
J.M.A.Braga -
João Marcelo Alvarenga Braga (born 1971) •
J.M.Bigelow –
John Milton Bigelow (1804–1878) •
J.M.Black –
John McConnell Black (1855–1951) •
J.M.Clarke –
John Mason Clarke (1857–1925) •
J.McNab –
James McNab (1810–1878) •
J.M.Coult. –
John Merle Coulter (1851–1928) •
J.M.C.Rich. –
Jean Michel Claude Richard (1787–1868) •
J.M.Gillett –
John Montague Gillett (1918–2014) •
J.M.Hart –
J.M. Hart (
fl. 1998) •
J.M.H.Shaw –
Julian Mark Hugh Shaw (born 1955) •
J.Milne –
Josephine Milne (born 1957) •
J.M.Kain –
Joanna M. Kain (1930–2017) •
J.M.MacDougal –
John Mochrie MacDougal (born 1954) •
J.M.Macoun –
James Melville Macoun (1862–1920) •
J.M.Monts. – (born 1955) •
J.M.Muñoz –
Jesús M. Muñoz (born 1955) •
J.Moll –
Jan Willem Moll (1851–1933) •
J.M.Porter –
James Mark Porter (born 1956) •
J.M.Powell –
Jocelyn Marie Powell (born 1939) •
J.M.Schopf –
James Morton Schopf (1911–1978) •
J.M.Taylor –
Joan M. Taylor (born 1929) •
J.M.Tucker –
John Maurice Tucker (1916–2008) •
J.Muir –
John Muir (1838–1914) •
J.Muñoz –
Jesús Muñoz (born 1964) •
J.Murata – (born 1952) •
J.Murray –
John Murray (1841–1914) •
J.M.Waller –
James Martin Waller (born 1938) •
J.M.Ward –
Josephine M. Ward (
fl. 1997) •
J.M.Watson –
John Michael Watson (1936–2024) •
J.M.Webber –
John Milton Webber (1897–1984) •
J.M.Wood –
John Medley Wood (1827–1915) •
Jn.Dalton –
John Dalton (1766–1844) •
J.Nelson –
John Nelson (1826–1867) •
J.N.Haage – (1826–1878) •
J.N.Zhang –
Jin Ning Zhang (
fl. 1998) •
Jobson –
Peter Craig Jobson (born 1965) •
Johan-Olsen (also
Sopp) –
Olav Johan Sopp (1860–1931) •
Johans. –
Frits Johansen (1882–1957) •
Johanss. – (1856–1928) •
John Muir –
John Muir (1874–1947) •
John Parkinson –
John Parkinson (1567–1650) •
Johnst. –
George Johnston (1797–1855) •
Johow –
Federico Johow (also as Friedrich Richard Adelbert (or Adelbart) Johow) (1859–1933) •
Jones –
William Jones (1746–1794) •
Jongkind – (born 1954) •
Jonst. –
John Jonston (also as Johannes Jonston or Joannes Jonstonus) (1603–1675) •
Jord. –
Claude Thomas Alexis Jordan (1814–1897) •
Jordanov –
Daki Jordanov (1893–1978) •
Josekutty –
Elayanithottathil Joseph Josekutty (
fl. 2016) •
Joshi –
Amar Chaud Joshi (1908–1971) •
Jos.Kern. –
Josef Kerner (1829–1906) •
Jos.Martin –
Joseph Martin (
fl. 1788–1826) •
J.Ott –
Jonathan Ott (born 1949) •
Jovet – (1896–1991) •
Jovet-Ast –
Suzanne Jovet-Ast (1914–2006) •
Joy Thomps. –
Joy Thompson (1923–2018) •
J.Palmer –
Joanne Palmer (born 1960) •
J.P.Anderson –
Jacob Peter Anderson (1874–1953) •
J.Parn. –
John Adrian Naicker Parnell (born 1954) •
J.P.Bull –
J.P.Bull – Jerome Patrick Bull (born 1972) •
J.Pfeiff. –
Johan Philip Pfeiffer (1888–1947) •
J.-P.Frahm –
Jan-Peter Frahm (1945–2014) •
J.P.Nelson –
Jane P. Nelson (
fl. 1980) •
J.Poiss. – (1833–1919) •
J.P.Pigott –
Julian Patrick Pigott (
fl. 2001) •
J.Prado –
Jefferson Prado (born 1964) •
J.Prak.Rao –
Jonnakuti Prakasa Rao () •
J.Presl –
Jan Svatopluk Presl (1791–1849) •
J.P.Yue – (
fl. 2004) •
J.Raynal – (1933–1979) •
J.R.Clarkson –
John Richard Clarkson (born 1950) •
J.R.Drumm. –
James Ramsay Drummond (1851–1921) •
J.Rémy –
Ezechiel Jules Rémy (1826–1893) •
J.R.Edm. –
John Richard Edmondson (born 1948) •
J.R.Forst. –
Johann Reinhold Forster (1729–1798) •
J.R.I.Wood –
John Richard Ironside Wood (born 1944) •
J.R.Lee –
John Ramsay Lee (1868–1959) •
J.R.Rohrer –
Joseph Raphael Rohrer (born 1954) •
J.Roth –
Johannes Rudolph Roth (1815–1858) •
J.Rousseau – (1905–1970) •
J.Roux –
Jean Roux (1876–1939) •
J.R.Perkins –
John Russell Perkins (born 1868) •
J.R.Rolfe –
Jeremy Richard Rolfe (
fl. 2013) •
J.R.Wheeler –
Judith Roderick Wheeler (born 1944) •
J.Scheff. –
Jozef Scheffer (1903–1949) •
J.Scheuchzer –
Johannes Gaspar Scheuchzer (1684–1738) •
J.Schiller –
Josef Schiller (1877–1960) •
J.Schneid. –
Josef Schneider (died 1885) •
J.Schröt. –
Joseph Schröter (1837–1894) •
J.Schultze-Motel –
Jürgen Schultze-Motel (born 1930) •
J.Schust. – (1886–1949) •
J.S.Ma –
Jin Shuang Ma (born 1955) •
J.Scott –
John Scott (1838–1880) •
J.Scriba –
Julius Karl Scriba (1848–1905) •
J.Steiner –
Julius Steiner (1844–1918) •
J.Sinclair –
James Sinclair (1913–1968) •
J.Sm. –
John Smith (1798–1888) •
J.S.Martin –
James Stillman Martin (1914–2000) •
J.S.Mill. – (born 1953) •
J.S.Muell. –
John Miller (1715–c.1792) aka Johann Sebastian Mueller •
J.Soulié –
Jean André Soulié (1858–1905) •
J.S.Pringle –
James Scott Pringle (1937–2024) •
J.Stewart – (1936–2011) •
J.St.-Hil. –
Jean Henri Jaume Saint-Hilaire (1772–1845) •
J.Stirl. –
James Stirling (1852–1909) •
J.Swamy –
Jetti Swamy (fl. 2016) •
J.T.Baldwin –
John Thomas Baldwin (1910–1974) •
J.T.Curtis –
John Thomas Curtis (1913–1961) •
J.T.Johanss. – (
fl. 1988) •
J.T.Howell –
John Thomas Howell (1903–1994) •
J.T.Hunter –
John T. Hunter (
fl. 1967) •
J.T.Palmer –
James Terence Palmer (born 1923) •
J.T.Pan – (born 1935) •
J.T.Pereira –
Joan T. Pereira (
fl. 1994) •
J.T.Quekett –
John Thomas Quekett (1815–1861) (brother of
Edwin John Quekett) •
J.Traill –
James Traill (died 1853) •
J.T.Wall –
J. T. Wall (
fl. 1934) •
J.T.Waterh. – (1924–1983) •
J.T.Williams –
John Trevor Williams (1938–2015) •
Judd –
Walter Stephen Judd (born 1951) •
Jum. –
Henri Lucien Jumelle (1866–1935) •
Jungh. –
(Friedrich) Franz Wilhelm Junghuhn (1809–1864) •
Junius –
Hadrianus Junius (1511–1575) •
Juss. –
Antoine Laurent de Jussieu (1748–1836) •
Juswara –
Lina Susanti Juswara (born 1971) •
Juz. – (1893–1959) •
J.V.Lamour. –
Jean Vincent Félix Lamouroux (1779–1825) •
J.V.Schneid. –
Julio Valentin Schneider (born 1967) •
J.V.Stone –
Judi V. Stone (born 1946) •
J.V.Thomps. –
John Vaughan Thompson (1779–1847) •
J.Wallis –
John Wallis (1714–1793) •
J.W.Baker –
Jason W. Baker (born 1981) •
J.W.Benn. –
John Whitchurch Bennett (
fl. 1842) •
J.W.Cribb –
Joan Winifred Cribb (1930–2023) •
J.W.Dawson –
John Wyndham Dawson (1928–2019) •
J.Wen –
Jun Wen (born 1963) •
J.West –
James West (1875–1939) •
J.W.Green –
John William Green (born 1930) •
J.W.Grimes –
James Walter Grimes (born 1953) •
J.W.Horn –
James W. Horn (
fl. 2009) •
J.White R.N. –
John White (1757–1832) •
J.W.Ingram – (born 1924) •
J.W.Mast. –
John William Masters (1792–1873) •
J.W.Moore – (1901–1990) (not to be confused with the American politician of the same name) •
J.Woods –
Joseph Woods Jr. (1776–1864) •
J.W.Powell –
John Wesley Powell (1834–1902) •
J.W.Robbins –
James Watson Robbins (1801–1879) •
J.W.Sturm –
Johann Wilhelm Sturm (1808–1865) •
J.W.Thomson –
John Walter Thomson (1913–2009) •
J.W.Weinm. –
Johann Wilhelm Weinmann (1683–1741) •
J.W.White –
James Walter White (1846–1932) •
J.W.Zetterst. –
Johan Wilhelm Zetterstedt (1785–1874) •
J.W.Zhai –
Jun Wen Zhai (born 1985) •
J.Zahlbr. – (1782–1851) •
J.Z.Weber –
Joseph Zvonko Weber (1930–1996) == K–Z ==