•
G.A.Allen –
Geraldine A. Allen (born 1950) •
G.A.Black –
George Alexander Black (1916–1957) •
Gaertn. –
Joseph Gaertner (1732–1791) •
G.A.Fryxell –
Greta Albrecht Fryxell (1926–2017) •
Gage –
Andrew Thomas Gage (1871–1945) •
Gagnebin – (1707–1800) •
Gagnep. –
François Gagnepain (1866–1952) •
Gaill. –
Charles Gaillardot (1814–1883) •
Gaillard –
Albert Gaillard (1858–1903) •
Gaimard –
Joseph Paul Gaimard (1790–1858) •
G.A.Klebs –
Georg Albrecht Klebs (1857–1918) •
Galasso –
Gabriele Galasso (born 1967) •
Galbany –
Mercè Galbany-Casals (
fl. 2004), also as "Mercè Galbany" •
Gale –
Shirley Gale Cross (1915–2008) •
Galeano –
Gloria A. Galeano (1958–2016) •
Galeotti –
Henri Guillaume Galeotti (1814–1858) •
Gallesio –
Giorgio Gallesio (1772–1839) •
Galpin –
Ernest Edward Galpin (1858–1941) •
Galushko – (born 1926) •
Gamajun. –
Aleksandra Pavlovna Gamajunova (1904–1971) •
Gamble –
James Sykes Gamble (1847–1925) •
Gams –
Helmut Gams (1893–1976) •
G.A.M.Scott –
George Anderson Macdonald Scott (1933–1998) •
Gand. –
Michel Gandoger (1850–1926) •
Gandhi –
Kancheepuram Natarajan Gandhi (born 1948) •
G.A.Noble –
Glenn Arthur Noble (1909–2001) •
G.A.Paterson –
Grant A. Paterson (
fl. 2011) •
Garay –
Leslie Andrew Garay (1924–2016) •
Garbari –
Fabio Garbari (born 1937) •
Garber –
Abram Paschal Garber (1838–1881) •
García-Barr. – (1913–2005) •
Garcin – (1683–1752) •
Garcke –
Christian August Friedrich Garcke (1819–1904) •
Garden –
Alexander Garden (1730–1792) •
Gardiner –
William Gardiner (1808–1852) •
Gardner –
George Gardner (1812–1849) •
Gariod –
Charles Henri Gariod (1836–1892) •
Garn.-Jones –
Philip John Garnock-Jones (born 1950) •
Garnet –
John Roslyn Garnet (1906–1998) •
Garsault –
François Alexandre Pierre de Garsault (1691–1778) •
Gasp. –
Guglielmo Gasparrini (1803–1866) •
Gatt. – (1825–1903) •
Gattef. –
Jean Gattefossé (1899–1960) •
Gatty –
Margaret Scott Gatty (1809–1873) •
Gauba –
Erwin Gauba (1891-1964) •
Gaudin –
Jean François Aimée Gottlieb Philippe Gaudin (1766–1833) •
Gaudich. –
Charles Gaudichaud-Beaupré (1789–1854) •
Gäum. –
Ernst Albert Gäumann (1893–1963) •
Gaussen –
Henri Marcel Gaussen (1891–1981) •
Gaut. –
Marie Clément Gaston Gautier (1841–1911) •
G.A.Wallace –
G. Ansley Wallace (
fl. 1979) •
Gay –
Claude Gay (1800–1873) •
Gáyer –
Gyula Gáyer (1883–1932) •
G.Bertol. –
Giuseppe Bertoloni (1804–1879) •
G.Bosc –
Georges Bosc (1918–2000) •
G.B.Popov –
George Basil Popov (
fl. 1957) •
G.Brockman –
Garry Brockman (born 1954) •
G.Chandler –
Gregory T. Chandler (born 1972) •
G.Clifford –
George Clifford III (1685–1760) •
G.C.Munro –
George Campbell Munro (1866–1963) •
G.C.S.Clarke –
Giles C. S. Clarke (born 1944) •
G.C.Tucker – (born 1957) •
G.Cunn. –
Gordon Herriott (Heriot) Cunningham (1892–1962) •
G.C.Wall. –
George Charles Wallich (1815–1899) •
G.C.Whipple –
George Chandler Whipple (1866–1924) •
G.Dahlgren –
Gertrud Dahlgren (1931–2009) •
G.Dawson –
Genoveva Dawson (1918–2012) •
G.D.Duncan –
Graham D. Duncan (
fl. 1993) •
G.Don –
George Don (1798–1856) •
G.D.Rowley –
Gordon Douglas Rowley (1921–2019) •
G.D.Wallace –
Gary D. Wallace (born 1946) •
G.E.Baker –
Gladys Elizabeth Baker (1908–2007) •
Gebert –
Wayne Ashley Gebert (born 1976) •
Geerinck –
Daniel Geerinck (born 1945) •
Geh. –
Adalbert Geheeb (1842–1909) •
G.E.Haglund –
Gustaf Emmanuel Haglund (1900–1955) •
Geiger –
Philipp Lorenz Geiger (1785–1836) •
Geissler – (1931–2018) •
G.E.Lee –
Gaik Ee Lee (born 1981) •
Gelert –
Otto Christian Leonor Gelert (1862–1899) •
Gelting –
Paul Emil Elliot Gelting (1905–1964) •
Gemeinholzer –
Birgit Gemeinholzer (
fl. 2006) •
Genev. –
Léon Gaston Genevier (1830–1880) •
Gennari –
Patrizio Gennari (1820–1897) •
Gensel –
Patricia G. Gensel (born 1944) •
Gentil –
Ambroise Gentil (1842–1929) •
Gentry –
Howard Scott Gentry (1903–1993) •
Georgi –
Johann Gottlieb Georgi (1729–1802) •
Gereau –
Roy Emile Gereau (born 1947) •
Gérard –
Louis Gérard (1733–1819) •
Geras. –
I.I. Gerasimenko (borne 1939) •
Gerhardt –
Julius Gerhardt (born 1827) •
Gerrienne –
Phillipe Gerrienne (
fl. 2010) •
Gerstb. –
Pedro Gerstberger (born 1951) •
Gerstner –
Jacob Gerstner (1888–1948) •
Gerth –
Hugo Leonardus Gerth van Wijk (1849–1921) •
G.E.Schatz – (born 1953) •
G.E.Sm. –
Gerard Edwards Smith (1804–1881) •
Gesner –
Conrad Gessner (1516–1565) •
Getachew –
Getachew Aweke (born 1937) •
Geyer –
Karl Andreas Geyer (1809–1853) •
Geyl. –
Hermann Theodor Geyler (1834–1889) •
G.F.Atk. –
George Francis Atkinson (1854–1918) •
G.F.Craig –
Gillian F. Craig (
fl. 2007) •
G.Fisch. –
Georg Fischer (1844–1941) •
G.Fisch.Waldh. –
Gotthelf Fischer von Waldheim (1771–1853) •
G.Forst. –
Georg Forster (1754–1794) •
G.F.Walsh –
Gerry F. Walsh (
fl. 1993) •
G.Gaertn. –
Gottfried Gaertner (1754–1825) (sometimes as Philipp Gottfried Gaertner) •
G.G.Niles –
Grace Greylock Niles (
fl. 1904) •
G.Haller –
Gottlieb Emmanuel von Haller (1735–1786) (a son of
Albrecht von Haller) •
Ghaz. –
Shahina Agha Ghazanfar (born 1949) •
G.Hend. –
George Henderson (1836–1929) •
G.Hensl. –
George Henslow (1835–1925) •
Ghesq. –
Jean Hector Paul Auguste Ghesquière (1888–1982) •
Ghini –
Luca Ghini (1490–1556) •
G.H.Martin –
George Hamilton Martin (born 1887) •
G.H.M.Lawr. –
George Hill Mathewson Lawrence (1910–1978) •
G.H.Morton –
Gary H. Morton (
fl. 1974) •
G.Holmes –
Glenn Holmes (
fl. 1999) •
G.H.S.Wood –
Geoffrey H.S. Wood (1927–1957) •
G.H.Tate –
George Henry Hamilton Tate (1894–1953) •
G.H.Wagner –
Georg Heinrich Wagner (1859–1903) •
G.H.Zhu –
Guang Hua Zhu (1964–2005) •
G.I.Baird –
Gary Innes Baird (born 1955) •
Gibbs –
Lilian Gibbs (1870–1925) •
Gibby –
Mary Gibby (1949–2024) •
Gibelli –
Giuseppe Gibelli (1831–1898) •
Giesecke –
Karl Ludwig (Sir Charles Lewis) Giesecke (1761–1833) (aka Johann Georg Metzler) •
Giess –
Johan Wilhelm Heinrich Giess (1910–2000) •
Gilb. –
Robert Lee Gilbertson (1925–2011) •
Gilding –
Edward Gilding ((
fl. 2001) •
Gilg –
Ernest Friedrich Gilg (1867–1933) •
Gilg-Ben. –
Charlotte Gilg-Benedict (1872–1936) •
Gilib. –
Jean-Emmanuel Gilibert (1741–1814) •
Gilland. –
Ken Gillanders (
fl. 2008) •
Gillek. –
Léopold Guillaume Gillekens (1833–1905) •
Gillespie –
John Wynn Gillespie (1901–1932) •
Gillham –
C.M. Gillham (
fl. 1980) •
Gilli –
Alexander Gilli (1904–2007) •
Gillies –
John Gillies (1792–1834) •
Gilliland –
Hamish Boyd Gilliland (1911–1965) •
Gillis –
William Thomas Gillis (1933–1979) •
Gilly –
Charles Louis Gilly (1911–1970) •
Gilmour –
John Scott Lennox Gilmour (1906–1986) •
Ging. –
Frédéric Charles Jean Gingins de la Sarraz (1790–1863) •
Gir.-Chantr. –
Justin Girod-Chantrans (1750–1841) •
Girg. –
Gustav Karl Girgensohn (1786–1872) •
Gironella –
Elizabeth P. Gironella •
Giseke –
Paul Dietrich Giseke (1741–1796) •
Giul. –
Ana Maria Giulietti (born 1945) •
Givnish –
Thomas J. Givnish (born 1951) •
Gjaerev. –
Olav Gjærevoll (1916–1994) •
G.J.Atkins –
Graeme J. Atkins (
fl. 2023) •
G.J.Harden –
Gwenneth J. Harden (born 1940) •
G.J.Jordan –
Gregory J. Jordan (
fl. 2000) •
G.J.Leach –
Gregory John Leach (born 1952) •
G.J.Lewis –
Gwendoline Joyce Lewis (1909–1967) •
G.J.Sheph. –
George John Shepherd (born 1949) •
G.Kadereit –
Gudrun Kadereit (born 1969), see also her maiden name abbreviation
Clausing •
G.Kirchn. –
Georg Kirchner (1837–1885) •
G.Koch – (1809–1874) •
G.Kunkel – (1928–2007) •
Glatf. –
Noah Miller Glatfelter (1837–1911) •
G.Lawson –
George Lawson (1827–1895) •
Glaz. –
Auguste François Marie Glaziou (1828–1906) •
G.L.Chu –
Ge Lin Chu (born 1934) •
G.L.Church –
George Lyle Church (1903–2003) •
G.L.Davis –
Gwenda Louise Davis (1911–1993) •
Gleason –
Henry Allan Gleason (1882–1975) •
Gledhill –
David Gledhill (born 1929) •
Glehn –
Peter von Glehn (1835–1876) •
Glejdura –
Stanislav Glejdura (fl. 2015) •
G.Ll.Lucas –
Grenville Llewellyn Lucas (1935–2022) •
G.L.Nesom –
Guy L. Nesom (born 1945) •
G.Lodd. –
George Loddiges (1784–1846) •
G.López –
Ginés Alejandro López González (born 1950) •
Glover –
James Glover (1844–1925) •
Gloxin –
Benjamin Peter Gloxin (1765–1794) •
G.L.Rob. –
George Leslie Robinson (born 1959) •
G.L.Webster –
Grady Linder Webster (1927–2005) •
G.Mans. –
Guilhem Mansion (born 1968) •
G.Martens –
Georg Matthias von Martens (1788–1872) •
G.Martin –
George Martin (1827–1886) •
G.M.Barroso –
Graziela Maciel Barroso (1912–2003) •
G.Mey. – (1782–1856) •
G.M.Levin –
Gregory Moiseyevich Levin (
fl. 1980) •
G.Moore –
George Thomas Moore (1871–1956) •
G.M.Plunkett –
Gregory M. Plunkett (born 1965) •
G.M.Sm. –
Gilbert Morgan Smith (1885–1959) •
G.Murray –
George Robert Milne Murray (1858–1911) •
G.M.Waterh. –
Grace Marion Waterhouse (1906–1996) •
G.N.Backh. –
Gary N. Backhouse (born 1956) •
G.N.Collins –
Guy N. Collins (1872–1938) •
G.Nicholson –
George Nicholson (1847–1908) •
G.N.Jones –
George Neville Jones (1903–1970) •
G.Norman –
George Norman (1824–1882) •
Goadby –
Bede Theodoric Goadby (1863–1944) •
Gobi –
Christoph Jakosolewitsch Gobi (1847–1919) •
Godfery – (1856–1945) •
God.-Leb. – (1852–1903) •
Godm. –
Frederick DuCane Godman (1834–1919) •
Godr. –
Dominique Alexandre Godron (1807–1880) •
Goebel –
Karl Christian Traugott Friedemann Goebel (1794–1851) •
Goeldi –
Émil August Goeldi (variations: Göldi, Emílio Augusto Goeldi) (1859–1917) •
Goering –
Philip Friedrich Wilhelm Goering (1809–1876) •
Goeschke –
Franz Goeschke (1844–1912) •
Gokusing –
Linus Gokusing (
fl. 2014) •
Goldberg –
Aaron Goldberg (1917–2014) •
Goldblatt –
Peter Goldblatt (born 1943) •
Goldfuss –
Georg August Goldfuss (1782–1848) •
Goldie –
John Goldie (1793–1886) •
Goldman –
Edward Alphonso Goldman (born as Goltman) (1873–1946) •
Goldring –
William Goldring (1854–1919) •
Gomb. – (born 1871) •
Gomes – (1769–1823) •
Gómez-Campo –
César Gómez-Campo (1933–2009) •
Gómez Pompa –
Arturo Gómez Pompa (born 1934) •
Gomont –
Maurice Augustin Gomont (1839–1909) •
Gonez –
Paul Gonez (
fl. 2010) •
Goodd. –
Leslie Newton Goodding (1880–1967) •
Gooden. –
Samuel Goodenough (1743–1827) •
Goodsp. –
Thomas Harper Goodspeed (1887–1966) •
Goodyer –
John Goodyer (1592–1664) •
Gopalan –
Rangasamy Gopalan (born 1947) •
Göpp. –
Johann Heinrich Robert Göppert (1800–1884) •
Gordon –
George Gordon (1806–1879) •
Gorozh. –
Ivan Nikolaevich Gorozhankin (1848–1904) •
Gossw. –
John Gossweiler (1873–1952) •
Gothan –
Walther Ulrich Eduard Friedrich Gothan (1879–1954) •
Gottlieb –
Leslie David Gottlieb (1936–2012) •
Gottsche –
Carl Moritz Gottsche (1808–1892) •
Gottschl. –
Günter Gottschlich (born 1951) •
Gouan –
Antoine Gouan (1733–1821) •
Goudot –
Justin Goudot (
fl. 1822–1845) •
Gould –
Frank Walton Gould (1913–1981) •
Gourret –
Paul Gabriel Marie Gourret (1859–1903) •
Govaerts –
Rafaël Herman Anna Govaerts (born 1968) •
Gowen –
James Robert Gowen (1784–1862) •
Goy –
Doris Alma Goy (1912–1999) •
G.P.Baker –
George Percival Baker (1856–1951) •
G.Pearson –
Gilbert Pearson •
G.Perkins –
George Henry Perkins (1844–1933) •
G.Perry –
Gillian Perry (1943–2011) •
G.Petersen –
Gitte Petersen (born 1963) •
G.Planch. –
(François) Gustav Planchon (1833–1900) •
G.P.Lewis –
Gwilym Peter Lewis (born 1952) •
Gradst. – (born 1943) •
Graebn. –
Karl Otto Robert Peter Paul Graebner (1871–1933) •
Graells –
Mariano de la Paz Graells y de la Agüera (1809–1898) •
Graf – (1801–1838) •
Graham –
Robert Graham (1786–1845) •
Grande – (1878–1965) •
Granv. –
Jean-Jacques de Granville (1943–2022) •
Gratel. –
Jean Pierre A. Sylvestre de Grateloup (1782–1862) •
Grau – (born 1937) •
Grauer –
Sebastian Grauer (1758–1820) •
Gravely –
Frederic Henry Gravely (1885–1965) •
Gray –
Samuel Frederick Gray (1766–1828) •
Grecescu –
Dimitrie Grecescu (1841–1910) •
Gredilla –
Apolinar Federico Gredilla y Gauna (1859–1919) •
Greene –
Edward Lee Greene (1843–1915) •
Greenm. –
Jesse More Greenman (1867–1951) •
Greenway –
Percy James Greenway (1897–1980) •
Greg. –
Eliza Standerwick Gregory (1840–1932) •
Greimler – J. Greimler ( 1998) •
Gren. –
Jean Charles Marie Grenier (1808–1875) •
G.Retz. –
Magnus Gustaf (Gustav) Retzius (1842–1919) •
Greuter –
Werner Rodolfo Greuter (born 1938) •
Grev. –
Robert Kaye Greville (1794–1866) •
Grey-Wilson –
Christopher Grey-Wilson (born 1944) •
G.R.Hend. –
Gemma Robyn Henderson (born 1976) •
Grierson –
Andrew John Charles Grierson (1929–1990) •
Grieve –
Brian John Grieve (1907–1997) •
Griff. –
William Griffith (1810–1845) •
Griffioen –
K. Griffioen •
Griffiths –
David Griffiths (1867–1935) •
Griggs –
Robert Fiske Griggs (1881–1962) •
Grimm – (1737–1821) •
Grimwade –
Russell Grimwade (1879–1955) •
Grindel –
David Hieronymus Grindel (1776–1836) •
Grindon –
Leopold Hartley Grindon (1818–1904) •
Gris –
Jean Antoine Arthur Gris (1829–1872) •
Griscom –
Ludlow Griscom (1890–1959) •
Griseb. –
August Heinrich Rudolf Grisebach (1814–1879) •
Groeninckx –
Inge Groeninckx (
fl. 2010) •
Groenland –
Johannes Groenland (1824–1891) •
Grognier –
Louis Furcy Grognier (1773–1837) •
Grognot –
Camille Grognot (1792–1869) •
Grolle – (1934–2004) •
Gronov. –
Johan Frederik (Johannes Fredericus, Jan Fredrik) Gronovius (1686–1762) •
Groot. –
Herman Johannes Grootendorst (born 1911) •
Groppo – (
fl. 2002) •
Grossh. –
Alexander Alfonsovich Grossheim (1888–1948) •
G.Roth –
Georg Roth (1842–1915) •
Grout –
Abel Joel Grout (1867–1947) •
Grove –
William Bywater Grove (1848–1938) •
Gr.Rossi –
Graziano Rossi (born 1960) •
Grube –
Martin Grube (
fl. 1989) •
Grubov – (1917–2009) •
Grudz. –
Irina Aleksandrovna Grudzinskaya (1920–2012) •
Gruith. –
Franz von Paula (Franciscus de Paula) Gruithuisen (1774–1852) •
Grulich –
Vít Grulich (1956–2022) •
Grumm-Grzhim. –
Grigory Grumm-Grzhimaylo (Grum-Grshimailo) (1860–1936) •
Grüning –
Georg Grüning (1862-1926) •
Grushv. –
Igor Vladimirovich Grushvitzky (1916–1991) •
G.Sancho –
Gisela Sancho (
fl. 1999) •
G.S.Bunting –
George Sydney Bunting (1927–2015) •
G.Scheffler –
Georg Scheffler (died 1910) •
G.Schellenb. –
Gustav August Ludwig David Schellenberg (1882–1963) •
G.Schneid. –
George Schneider (1848–1917) •
G.Schneid.bis –
Georg Schneider (born 1888) •
G.S.Giri –
Girija Sankar Giri (born 1950) •
G.Shaw –
George Shaw (1751–1813) •
G.Simpson –
George Simpson (1880–1952) •
G.Sinclair –
George Sinclair (1786–1834) •
G.Singh –
Gurcharan Singh (born 1945) •
G.S.Mill. –
Gerrit Smith Miller Jr. (1869–1956) •
G.S.Rawat –
Gopal Singh Rawat (
fl. 2010) •
G.S.Ringius –
Gordon Stacey Ringius (born 1949) •
G.Stev. –
Greta Stevenson (1911–1990) •
G.S.West –
George Stephen West (1876–1919) •
G.Taylor –
George Taylor (1904–1993) •
G.T.Nisbet –
Gladys T. Nisbet (1895–1994) •
G.Tobler –
Gertrud Tobler (1877–1948) •
G.S.Torr. –
George Safford Torrey (1891–1977) •
G.Trevir. –
Gottfried Reinhold Treviranus (1776–1837) (older brother of
Ludolph Christian Treviranus) •
G.T.S.Baylis –
Geoffrey Thomas Sandford Baylis (1913–2003) •
G.T.Wright –
Genevieve T. Wright (
fl. 2018) •
Guadagno – (1878–1930) •
Gubanov – (1933–2005) •
Gueldenst. –
Johann Anton Güldenstädt (1745–1781) •
Guett. –
Jean Étienne Guettard (1715–1786) •
Guiggi –
Alessandro Guiggi (born 1973) •
Guignard –
Jean-Louis-Léon Guignard (1852–1928) •
Guilding –
Lansdown Guilding (1797–1831) •
Guilf. –
William Robert Guilfoyle (1840–1912) •
Guill. –
Jean Baptiste Antoine Guillemin (1796–1842) •
Guillaumin –
André Guillaumin (1885–1974) •
Guimpel –
Friedrich Guimpel (1774–1839) •
Guinea –
Emilio Guinea López (1907–1985) •
Gumbl. –
William Edward Gumbleton (1840–1911) •
Gunckel –
Hugo Gunckel Lűer (1901–1997) •
Güner –
Adil Güner (born 1950) •
Gunn –
Ronald Campbell Gunn (1808–1881) •
Gunnerus –
Johann Ernst Gunnerus (1718–1773) •
Gün.Schneid. –
Günther Schneider (born 1904) •
Gürke –
Robert Louis August Maximilian Gürke (1854–1911) •
Guss. –
Giovanni Gussone (1787–1866) •
Gus.Schneid. –
Gustav Schneider (1834–1900) •
Gust.Fisch. –
Gustav Fischer (born 1889) •
Gușul. –
Mihail Gușuleac (1887–1960) •
Guthrie –
Francis Guthrie (1831–1899) •
Guttová –
Anna Guttová (born 1972) •
Gutw. –
Roman Gutwinski (1860–1932) •
Guymer –
Gordon P. Guymer (born 1953) •
G.Vidal –
Gustave Prosper Vidal (1835–1905) •
G.V.Pope –
Gerald Vernon Pope (born 1941) •
G.Wall –
George Wall (1820–1894) •
G.W.Andrews –
George W. Andrews (born 1929) •
G.Watt –
George Watt (1851–1930) •
G.W.Carr –
Geoffrey William Carr (born 1948) •
G.W.Fisch. –
George William Fischer (1906–1995) •
G.White –
Gilbert White (1720–1793) •
G.W.Hu –
Guang Wan Hu (
fl. 2007) •
G.Wilh. –
Gerould Wilhelm (born 1948) •
G.Winter –
Heinrich Georg Winter (1848–1887) •
G.W.Martin –
George Willard Martin (1886–1971) •
G.W.Rothwell –
Gar W. Rothwell (born 1944) •
G.W.Schimp. –
Georg Wilhelm Schimper (1804–1878) •
Gyeltshen –
Nima Gyeltshen (
fl. 2017) •
G.Zenker –
Georg August Zenker (1855–1922) •
G.Zimm. –
Gisbert Zimmermann (
fl. 1978) == H–Z ==