b

• Baardseth – Egil Baardseth (1912–1991)
• Baas – Pieter Baas (born 1944)
• Baas-Beck. – Lourens Gerhard Marinus Baas-Becking (1894–1963)
• Bab. – Charles Cardale Babington (1808–1895)
• Babc. – Ernest Brown Babcock (1877–1954)
• Bach – Michael Bach (1808–1878)
• Bachm. – Franz Ewald Theodor Bachmann (1850–1937)
• Bacigalupo – Nélida María Bacigalupo (born 1924)
• Bäck – Abraham Bäck [de; sv] (1713–1795)
• Backeb. – Curt Backeberg (1894–1966)
• Backer – Cornelis Andries Backer (1874–1963)
• Backh. – James Backhouse (1794–1869)
• Backh.f. – James Backhouse (1825–1890)
• Badham – Charles David Badham (1805–1857)
• Baehni – Charles Baehni (1906–1964)
• Bagl. – Francesco Baglietto (1826–1916)
• Bagn. – James Eustace Bagnall (1830–1918)
• B.A.Gomes – Bernardino António Gomes (1806–1877)
• Bailey – Jacob Whitman Bailey (1811–1857)
• Baill. – Henri Ernest Baillon (1827–1895)
• Baillon – Louis Antoine François Baillon (1778–1851)
• Baines – Henry Baines (1793–1878)
• Baker – John Gilbert Baker (1834–1920)
• Baker f. – Edmund Gilbert Baker (1864–1949)
• Bakh. – Reinier Cornelis Bakhuizen van den Brink (1881–1945)
• Bakh.f. – Reinier Cornelis Bakhuizen van den Brink (1911–1987)
• Balamuth – William Balamuth (1914–1981)
• Balandin – Sergey Aleksandrovich Balandin (born 1952)
• Balansa – Benedict Balansa (1825–1891)
• Balb. – Giovanni Battista Balbis (1765–1831)
• Bald. – Antonio Baldacci (1867–1950)
• Baldinger – Ernst Gottfried Baldinger (1738–1804)
• Baldwin – William Baldwin (1779–1819)
• Balete - Danilo S. Balete (born 1960)
• B.A.Lewis – Beverley Ann Lewis (born 1966)
• Balf. – John Hutton Balfour (1808–1884)
• Balf.f. – Isaac Bayley Balfour (1853–1922)
• Ball – John Ball (1818–1889)
• Balls – Edward Kent Balls (1892–1984)
• Bals.-Criv. – Giuseppe Gabriel Balsamo-Crivelli (1800–1874)
• Bal.-Tul. – Emilie Balátová-Tuláčková (1926–2005)
• Balzer – F. Balzer (fl. 1912)
• B.-A.Martin – Bernardin-Antoine Martin (1813–1897)
• Bancr. – Edward Nathaniel Bancroft (1772–1842)
• Banister – John Banister (1654–1692)
• Banks – Joseph Banks (1743–1820)
• Barb.-Boiss. – Caroline Barbey-Boissier (1847–1918)
• Barbey – William Barbey (1842–1914)
• Barbhuiya – Hussain Ahmed Barbhuiya (born 1985)
• Barbosa – Luis Augusto Grandvaux Barbosa (1914–1983) (The spelling "Agosto" in some sources is incorrect.^[5])
• Barb.Rodr. – João Barbosa Rodrigues (1842–1909)
• Barcelona – Julie F. Barcelona (fl. 1999)
• Bard.-Vauc. – Martine Bardot-Vaucoulon [es] (born 1948)
• Bargh. – Elso Sterrenberg Barghoorn (1915–1984)
• Barham – Henry Barham (c. 1670–1726)
• Barker – George Barker (1776–1845)
• Barkworth – Mary Elizabeth Barkworth (born 1941)
• Barlow – Bryan Alwyn Barlow (born 1933)
• Barneby – Rupert Charles Barneby (1911–2000)
• Barnes – Charles Reid Barnes (1858–1910)
• Barnett – Euphemia Cowan Barnett (1890–1970)
• Barnhart – John Hendley Barnhart (1871–1949)
• Baron – P. Alexis Baron (born 1754)
• Barr – Peter Barr (1826–1909)
• Barrande – Joachim Barrande (1799–1883)
• Barratt – Joseph Barratt [es] (1796–1882)
• Barrel. – Jacques Barrelier [Wikidata] (1606–1673)
• Barroso – Liberato Joaquim Barroso [es] (1900–1949)
• Barrow – Sir John Barrow, 1st Baronet (1764–1848)
• Bartal. – Biagio Bartalini (1746–1822)
• Bartel – Jim A. Bartel (fl. 1983)
• Bartell. – Veturia Bartelletti
• Barth – József Barth (1833–1915)
• Barthlott – Wilhelm Barthlott (born 1946)
• Barthol. – Elam Bartholomew (1852–1934)
• Barthol.-Began – Sharon Elaine Bartholomew-Began (born 1958)
• Bartl. – Friedrich Gottlieb Bartling (1798–1875)
• Bartlett – Harley Harris Bartlett (1886–1960)
• Bartley – Floyd Bartley (1888–1974)
• Bartoli – Antonella Bartoli (born 1943)
• Bartolo – Giuseppina Bartolo (born 1948)
• Barton – Benjamin Smith Barton (1766–1815)
• Bartram – John Bartram (1699–1777)
• Bartsch – Johann Bartsch (1709–1738)
• Barulina – Elena Ivanovna Barulina (1896–1957)
• Bas – Cornelis (Kees) Bas (born 1928)
• Basiner – Theodor Friedrich Julius Basiner (1816–1862)
• Bässler – Manfred Bässler (born 1935)
• Bastard – Toussaint Bastard (1784–1846)
• Bastian – Henry Charlton Bastian (1837–1915)
• Bastow – Richard Austin Bastow (1839–1920)
• Batalin – Alexander Theodorowicz Batalin (1847–1896)
• Bateman – James Bateman (1811–1897)
• Bates – John Mallory Bates (1846–1930)
• Batsch – August Johann Georg Karl Batsch (1761–1802)
• Batt. – Jules Aimé Battandier (1848–1922)
• Baudet – Jean C. Baudet (born 1944)
• Baum – Hugo Baum (1867–1950)
• Baum.-Bod. – Marcel Gustav Baumann-Bodenheim (1920–1996)
• Baumg. – Johann Christian Gottlob Baumgarten (1765–1843)
• Baxter – William Baxter (1787–1871)
• B.Baumann – Brigitte Baumann [es] (born 1938)
• B.Boivin – Joseph Robert Bernard Boivin [es] (1916–1985)
• B.Bremer – Birgitta Bremer (born 1950)
• B.Clément – B. Clément (fl. 2001)
• B.C.Stone – Benjamin Clemens Stone (1933–1994)
• B.D.Greene – Benjamin Daniel Greene (1793–1862)
• B.D.Jacks. – Benjamin Daydon Jackson (1846–1927)
• Beadle – Chauncey Delos Beadle (1856–1950)
• Beal – William James Beal (1833–1924)
• Bean – William Jackson Bean (1863–1947)
• Beard – John Stanley Beard (1916–2011)
• Beardslee – Henry Curtis Beardslee, Jr. (1865–1948) (son of Henry Curtis Beardslee, Sr. (1807–1884, abbrev. H.C.Beardslee))
• Beardsley – Paul M. Beardsley (fl. 2012)
• Beattie – Rolla Kent Beattie (1875–1960)
• Beauverd – Gustave Beauverd (1867–1942)
• Beauverie – Jean Beauverie (1874–1938)
• Beauvis. – Georges Eugène Charles Beauvisage (1852–1925)
• Bebb – Michael Schuck Bebb (1833–1895)
• Becc. – Odoardo Beccari (1843–1920)
• Bechst. – Johann Matthäus Bechstein (1757–1822)
• Beck – Günther Beck von Mannagetta und Lerchenau (1856–1931)
• Becker – Johannes Becker [es] (1769–1833)
• Beckh. – Konrad Beckhaus (1821–1890)
• Bedd. – Richard Henry Beddome (1830–1911)
• Bedevian – Armenag K. Bedevian (fl. 1936)
• Bedn.-Ochyra – Halina Bednarek-Ochyra (fl. 2000)
• Beechey – Frederick William Beechey (1796–1856)
• Beeke – Henry Beeke (1751–1837)
• Beentje – Henk Jaap Beentje (born 1951)
• Beetle – Alan Ackerman Beetle (1913–2003)
• Bég. – Augusto Béguinot [de; es; ru] (1875–1940)
• Behr – Hans Hermann Behr (1818–1904)
• Beier – Björn-Axel Beier (born 1965)
• Beilschm. – Carl Traugott Beilschmied (1793–1848)
• Beissn. – Ludwig Beissner (1843–1927)
• Beitel – Joseph M. Beitel (1952–1991)
• Bek. – Andrej Nikolaevich Beketow (1825–1902)
• Bellair – Georges Adolphe Bellair (1860–1939)
• Bellardi – Carlo Antonio Lodovico Bellardi [es; ru] (1741–1826)
• Bello – Domingo Bello y Espinosa (1817–1884)
• Belosersky – Nikola Belosersky (R.N. Belosersky, Nikolaj Ivanovič Belozerskij) (born 1879)^[6]
• Beneke – Everett Smith Beneke (1918–2010)^[7]
• Benj. – Ludwig Benjamin (1825–1848)
• Benn. – John Joseph Bennett (1801–1876)
• Benner – Walter Mackinett Benner (1888–1970)
• Bennert – H. Wilfried Bennert (born 1945)
• Bennet – Sigamony Stephen Richard Bennet (1940–2009)
• Bennetts – William James Bennetts (1865–1920)
• Benniamin – Asir Benniamin (born 1976)
• Benny – Gerald Leonard Benny (born 1942)
• Benoist – Raymond Benoist (1881–1970)
• Benth. – George Bentham (1800–1884)
• Bentley – Robert Bentley (1821–1893)
• Bentv. – P. A. J. Bentvelzen (fl. 1962)
• Bentzer – Bengt Bentzer (born 1942)
• B.E.Pfeil – Bernard E. Pfeil (fl. 2000)
• Bequaert – Joseph Charles Bequaert (1886–1982)
• Berazaín – Rosalina Berazaín (born 1947)
• Bercht. – Friedrich von Berchtold (1781–1876)
• Berg – Ernst von Berg (1782–1855)
• Berger – Ernst Friedrich Berger [es] (1814–1853)
• Bergey – David Hendricks Bergey (1860–1937)
• Berggr. – Sven Berggren (1837–1917)
• Bergmans – Johannes Baptista Bergmans (1892–1980)
• Bergon – Paul Bergon (1863–1912)
• Berjak – Patricia Berjak (1939–2015)
• Berk. – Miles Joseph Berkeley (1803–1889)
• Berkhout – Christine Marie Berkhout (1893–1932)
• Bernardi – Luciano Bernardi (1920–2001)
• Bernh. – Johann Jacob Bernhardi (1774–1850)
• Bernstein – Heinrich Agathon Bernstein (1828–1865)
• Bertero – Carlo Luigi Giuseppe Bertero (1789–1831)
• Berthault – François Berthault (1857–1916)
• Berthel. – Sabin Berthelot (1794–1880)
• Bertol. – Antonio Bertoloni (1775–1869)
• Bertoni – Moisés (de) Santiago (Mosè Giacomo) Bertoni (1857–1929)
• Besch. – Émile Bescherelle (1828–1903)
• Besser – Wilibald Swibert Joseph Gottlieb von Besser (1784–1842)
• Bessey – Charles Edwin Bessey (1845–1915)
• Best – George Newton Best (1846–1926)
• Betche – Daniel Ludwig Ernst Betche (1851–1913)
• Beuzev. – Wilfred Alexander Watt de Beuzeville (1884–1954)
• Bews – John William Bews (1884–1938)
• Beyr. – Heinrich Karl Beyrich (1796–1834)
• B.F.Dana – Bliss F. Dana (born 1891)
• B.Fedtsch. – Boris Alexjewitsch Fedtschenko (1872–1947)
• B.F.Hansen – Bruce Frederick Hansen (born 1944)
• B.F.Holmgren – Björn Frithiofsson Holmgren [sv] (1872–1946)
• B.Field – Barron Field (1786–1846)
• B.G.Bell – Bruce Graham Bell (born 1942)
• B.G.Briggs – Barbara Gillian Briggs (born 1934)
• B.Gray – Bruce Gray (born 1939)
• B.G.Schub. – Bernice Giduz Schubert (1913–2000)
• B.H.Allen – Bruce H. Allen (born 1952)
• B.Hansen – Bertel Hansen [es; fr] (1932–2005)
• Bhatti – Ghulam Raza Bhatti (born 1959)
• B.H.Buxton – Bertram Henry Buxton (1852–1934)
• B.Heyne – Benjamin Heyne (1770–1819)
• B.H.Long – Bayard Henry Long (1885–c. 1969)
• B.H.Macmill. – Bryony Hope Macmillan (born 1933)
• Bhujel – R.B. Bhujel (fl. 1994)
• B.H.Wilcox – Balafama Helen Wilcox [es] (fl. 1977–1993)
• B.Hyland – Bernard Patrick Matthew Hyland (born 1937)
• Bianca – Giuseppe Bianca (1801–1883)
• Bianchi – Giovanni Bianchi (fl. 1907)
• Bianco – Pasqua Bianco (born 1927)
• Biasol. – Bartolomeo Biasoletto (1793–1859)
• Bidgood – Gillian Sally Bidgood (1948–2018)
• Bidwill – John Carne Bidwill (1815-1853)
• Biehler – Johann Friedrich Theodor Biehler (born c. 1785)
• Bien. – Theophil Joachim Heinrich Bienert (1833–1873)
• Bierh. – David William Bierhorst (1924–1997)
• Bigelow – Jacob Bigelow (1787–1879)
• Billot – Paul Constant Billot (1796–1863)
• Binn. – Simon Binnendijk (1821–1883)
• Birdw. – George Christopher Molesworth Birdwood (1832–1917)
• Bishop – David Bishop (1788–1849)
• Bisse – Johannes Bisse (1935–1984)
• Bisset – James Bisset (1843–1911)
• Bitter – Friedrich August Georg Bitter (1873–1927)
• Bittrich – Volker Bittrich (born 1954)
• Biv. – Antonius de Bivoni-Bernardi (1774–1837)
• B.J.Conn – Barry John Conn (born 1948)
• B.J.Jacobsen – Barry J. Jacobsen (born 1947)
• B.J.Pollard – Benedict John Pollard (born 1972)
• B.Juss. – Bernard de Jussieu (1699–1777)
• B.J.Wallace – Benjamin John Wallace (born 1947)
• B.K.Simon – Bryan Kenneth Simon [es] (born 1943)
• B.K.Sinha – Bipin Kumar Sinha (born 1960)
• Black – Allan A. Black (1832–1865)
• Blackmore – John A.P. Blackmore (born 1960)
• Blackw. – Elizabeth Blackwell (1707–1758)
• Blake – Joseph Blake [es; ru] (1814–1888)
• Blakelock – Ralph Anthony Blakelock (1915–1963)
• Blakely – William Blakely (1875–1941)
• Blakeslee – Albert Francis Blakeslee (1874–1954)
• Blakiston – Thomas Wright Blakiston (1832–1891)
• Blanch. – William Henry Blanchard (1850–1922)
• Blanco – Francisco Manuel Blanco (1778–1845)
• Blandow – Otto Christian Blandow (1778–1810)
• Blasdell – Robert Ferris Blasdell (1929–1996)
• Blatt. – Ethelbert Blatter (1877–1934)
• Blaxell – Donald Frederick Blaxell (born 1934)
• B.L.Burtt – Brian Lawrence Burtt (1913–2008)
• B.L.Clark – Bonnie Lynne Clark (born 1966)
• Blochm. – Friedrich Blochmann (1858–1931)
• Błocki – Bronislaw Błocki (1857–1919)
• Bloemb. – Siebe Bloembergen (born 1905)
• Blom – Carl Magnus Blom (1737–1815)
• Blomb. – Olof Gotthard Blomberg (1838–1901)
• Blomgr. – Nils Harald Blomgren (1901–1926)
• Blomq. – Sven Gustaf Krister Gustafson Blomquist (1882–1953)
• Błoński – Franciszek Kzawery Błoński (1867–1910)
• Blossf. – Robert Blossfeld (born 1882)
• B.L.Rob. – Benjamin Lincoln Robinson (1864–1935)
• B.L.Turner – Billie Lee Turner Sr. (born 1925)
• Bluff – Mathias Joseph Bluff [es; ru] (1805–1837)
• Blume – Carl Ludwig Blume (1796–1862)
• Blytt – Matthias Numsen Blytt (1789–1862)
• B.M.Allen – Betty Eleanor Gosset Molesworth Allen (born 1913)
• B.Mathew – Brian Frederick Mathew (born 1936)
• B.M.Barthol. – Bruce Monroe Bartholomew (born 1946)
• B.M.Davis – Bradley Moore Davis (1871–1957)
• B.Meeuse – Bastiaan Jacob Dirk Meeuse (1916–1999)
• B.Mey. – Bernhard Meyer (1767–1836)
• B.Nord. – Rune Bertil Nordenstam (born 1936)
• Boccone – Paolo Silvio Boccone (1633–1704)
• Böcher – Tyge W. Böcher (1909–1983)
• Bocq. – Henri Théophile Bocquillon (1834–1883)
• B.O.Dodge – Bernard Ogilvie Dodge (1872–1960)
• Boeckeler – Johann Otto Boeckeler (1803–1899)
• Boed. – Friedrich Bödeker (1867–1937)
• Boehm. – Georg Rudolf Boehmer (1723–1803)
• Boehr. – Herman Boerhaave (1668–1738)
• Boenn. – Clemens von Bönninghausen (1785–1864)
• Boerl. – Jacob Gijsbert Boerlage [es] (1849–1900)
• Boiss. – Pierre Edmond Boissier (1810–1885)
• Boissev. – Charles Hercules Boissevain (1893–1946)
• Boitard – Pierre Boitard (1787–1859)
• Boiteau – Pierre Boiteau (1911–1980)
• Boivin – Louis Hyacinthe Boivin [es; fr] (1808–1852)
• Bojer – Wenceslas Bojer (1795–1856)
• Bol. – Henry Nicholas Bolander (1831–1897)^[8]
• Boland – Douglas John Boland (born 1947)
• Bo Li – Bo Li (1929–1998)
• Bolle – Carl Bolle (1821–1909)
• Bolley – Henry Luke Bolley (1865–1956)
• B.Øllg. – Benjamin Øllgaard (born 1943)
• Bolton – James Bolton (1735–1799)
• Bolus – Harry Bolus (1834–1911)
• Bonaf. – Matthieu Bonafous (1793–1852)
• Bonap. – Roland Napoléon Bonaparte (1858–1924)
• Bondar – Gregório Bondar (1881–1959)
• Bong. – August Gustav Heinrich von Bongard (1786–1839)
• Bonnem. - Théophile Bonnemaison (1774–1829)
• Bonnier – Gaston Eugène Marie Bonnier (1853–1922)
• Bonpl. – Aimé Bonpland (1773–1858)
• Boom – Boudewijn Karel Boom (1903–1980)
• Boomsma – Clifford David Boomsma (1915–2004)
• Boos – Joseph Boos (1794–1879)
• Boott – Francis Boott (1792–1863)
• Bor – Norman Loftus Bor (1893–1972)
• Borbás – Vinczé von Borbás (1844–1905)
• Borchs. – Finn Borchsenius [de; es] (born 1959)
• Boreau – Alexandre Boreau (1803–1875)
• Børgesen – Fredrik Christian Emil Børgesen (1866–1956)
• Borhidi – Attila Borhidi (born 1932)
• Boriss. – Antonina Georgievna Borissova (1903–1970)
• Borkh. – Moritz (Moriz) Balthasar Borkhausen (1760–1806)
• Börner – Carl Julius Bernhard Börner (1880–1953)
• Bornm. – Joseph Friedrich Nicolaus Bornmüller (1862–1948)
• Borrer – William Borrer (1781–1862)
• Borsch – Thomas Borsch [es] (born 1969)
• Borss.Waalk. – Jan van Borssum Waalkes (1922–1985)
• Bory – Jean Baptiste Bory de Saint-Vincent (1778–1846)
• Borza – Alexandru Borza (1887–1971)
• Borzí – Antonino Borzí (1852–1921)
• Bos – Jan Just Bos (1939–2003)
• Bosc – Louis Augustin Guillaume Bosc (1759–1828)
• Bosch – Roelof Benjamin van den Bosch (1810–1862)
• Bosser – Jean Marie Bosser (1922–2013)
• Bostock – Peter Dundas Bostock (born 1949)
• Botsch. – Victor Petrovič Botschantzev (1910–1990)
• Botschantz. – Zinaida Botschantzeva (1907–1973)
• Botta – Silvia Margarita Botta [es] (1942–1994)
• Boucher – Jules Armand Guillaume Boucher de Crèvecœur (1757–1844)
• Boud. – Jean Louis Émile Boudier (1828–1920)
• Boufford – David Edward Boufford (born 1941)
• Boulay – Jean Nicolas Boulay (1837–1905)
• Boulenger – George Albert Boulenger (1858–1937)
• Boulger – George Edward Simmonds Boulger (1853–1922)
• Boulos – Loutfy Boulos [es] (born 1932)
• Boulter – Michael Charles Boulter (born 1942)
• Bourd. – Thomas Fulton Bourdillon (1849–1930)
• Bourdon – M. Bourdon (fl. 1986)
• Bourdot – Hubert Bourdot (1861–1937)
• Bourdu – Robert Bourdu (fl. 1957)
• Bowles – Edward Augustus Bowles (1865–1954)
• Bowman – John Eddowes Bowman the Elder (1785–1841)
• Brace – Lewis Jones Knight Brace (1852–1938)
• Bracelin – Nina Floy Bracelin (1890–1973)
• Brach – Anthony Robert Brach (born 1963)
• Brack. – William Dunlop Brackenridge (1810–1893)
• Brade – Alexander Curt Brade (1881–1971)
• Bradley – Richard Bradley (1688–1732)
• Braem – Guido Jozef Braem [es; pt] (born 1944)
• Braggins – John E. Braggins (born 1944)
• Brainerd – Ezra Brainerd (1844–1924)
• Braithw. – Robert Braithwaite (1824–1917)
• Brako – Lois Brako (born 1950)
• Brand – August Brand (1863–1930)
• Brandão – Mitzi Brandão (fl. 1990)
• Brandbyge – John Brandbyge (born 1953)
• Brandegee – Townshend Stith Brandegee (1843–1925)
• Brandenburg – David M. Brandenburg (born 1953)
• Brandis – Dietrich Brandis (1824–1907)
• Branner – John Casper Branner (1850–1922)
• B.R.Arrill. – Blanca Renée Arrillaga (1917–2011)
• Brassard – Guy Raymond Brassard (born 1943)
• Brauer – David F. Brauer (fl. 1980)
• Braun – Karl Friedrich Wilhelm Braun [de] (1800-1864)
• Braun-Blanq. – Josias Braun-Blanquet (1884–1980) (was Josias Braun until 1915)
• Brause – Guido Georg Wilhelm Brause (1847–1922)
• Bravo – Helia Bravo Hollis (1901–2001)
• Bréb. – Louis Alphonse de Brébisson (1798–1872)
• Breda – Jacob Gijsbert Samuel van Breda (1788–1867)
• Breen (also Schornh.) – Ruth Olive Schornhurst Breen (1905–1987)
• B.Rees – Bertha Rees (fl. 1912)
• Breistr. – Maurice A. F. Breistroffer (1910–1986)
• Bremek. – Cornelis Eliza Bertus Bremekamp (1888–1984)
• Brenan – John Patrick Micklethwait Brenan (1917–1985)
• Brenckle – Jacob Frederic Brenckle (1875–1958)
• Breton – André Breton (fl. 1964)
• Bretschn. – Emil Bretschneider (1833–1901)
• Brett – Robert Lindsay Gordon Brett (1898–1975)
• B.Rice – Barry Rice (fl. 2011)
• Brid. – Samuel Élisée von Bridel (1761–1828)
• Bridson – Diane Mary Bridson [es; ru] (born 1942)
• Brieger – Friedrich Gustav Brieger [es; nl; pt] (1900–1985)
• Bright – John Bright (1872–1952)
• Brign. – Giovanni de Brignoli di Brunnhoff (1774–1857)
• Briq. – John Isaac Briquet (1870–1931)
• Bristow – Henry William Bristow (1817–1889)
• Britten – James Britten (1846–1924)
• Brittinger – Christian Casimir Brittinger (1795–1869)
• Britton – Nathaniel Lord Britton (1859–1934)
• B.R.Keener – Brian Reid Keener (born 1973)
• Bromf. – William Arnold Bromfield (1801–1851)
• Bromhead – Edward Ffrench Bromhead (1789–1855)
• Brongn. – Adolphe-Théodore Brongniart (1801–1876)
• Brooker – Ian Brooker (born 1934)
• Brooks – Cecil Joslin Brooks (1875–1953)
• Broome – Christopher Edmund Broome (1812–1886)
• Brot. – Félix Avelar Brotero (1744–1828)
• Broth. – Viktor Ferdinand Brotherus (1849–1929)
• Broughton – Arthur Broughton (c. 1758–1796)
• Brouillet – Luc Brouillet (born 1954)
• Brouss. – Pierre Marie Auguste Broussonet (1761–1807)
• Browicz – Kazimierz Browicz [pl] (1925–2009)
• Browning – J. Browning (fl. 1994)
• B.R.Ramesh – B. R. Ramesh (fl. 1993)
• Bruch – Philipp Bruch (1781–1847)
• Brücher – Heinz Brücher (1915–1991)
• Brug. – Jean Guillaume Bruguière (1749/1750–1798)
• Brügger – Christian Georg Brügger (1833–1899)
• Brugmans – Sebald Justinus Brugmans (1763–1819)
• Bruijn – Ary Johannes De Bruijn (1811–1896)
• Brummitt – Richard Kenneth Brummitt [Wikidata] (1937–2013)
• Brumpt – Émile Josef Alexander Brumpt (1877–1951)
• Brunch. – Jørgen Brunchorst (or Jörgen Brunchorst) (1862–1917)
• Brunet – Louis-Ovide Brunet (1826–1876)
• Brunfels – Otto Brunfels (1488–1534)
• Brunner – Carl Brunner von Wattenwyl (1823–1914)
• Brunnth. – Josef Brunnthaler (1871–1914)
• Brunsfeld – Steven John Brunsfeld (1953–2006)
• Bruyl. – Julia Bruylants (1890–1974)
• Bruyns – Peter Vincent Bruyns [es; pt] (born 1957)
• Bryhn – Niels Bryhn (1854–1916)
• B.Schenk – Bernhard Schenk (1833–1893)
• B.S.Williams – Benjamin Samuel Williams (1824–1890)
• Bubák – František Bubák (1865–1925)
• Bubani – Pietro Bubani [es; ru] (1806–1888)
• Buchanan – John Buchanan (1819–1898)
• Buchenau – Franz Georg Philipp Buchenau (1831–1906)
• Buch.-Ham. – Francis Buchanan-Hamilton (1762–1829)
• Buc'hoz – Pierre Joseph Buc'hoz (1731–1807)
• Buckland – William Buckland (1784–1856)
• Buckley – Samuel Botsford Buckley (1809–1884)
• Buddle – Adam Buddle (1662–1715)
• Buhse – Friedrich Alexander Buhse (1821–1898)
• Bui – Ngoc-Sanh Bui (fl. 1964)
• Buining – Albert Frederik Hendrik Buining (1901–1976)
• Buirchell – Bevan Buirchell (born 1951)
• Bull. – Jean Baptiste François Pierre Bulliard (1742–1793)^[9]
• Buller – Arthur Henry Reginald Buller (1879–1944)
• Bullock – Arthur Allman Bullock [de; es; ru] (1906–1980)
• Bunbury – Charles James Fox Bunbury, 8th Baronet (1809–1886)
• Bunge – Alexander Andrejewitsch von Bunge (1803–1890)
• Burb. – Frederick William Burbidge (1847–1905)
• Burbank – Luther Burbank (1849–1926)
• Burch. – William John Burchell (1781–1863)
• Burck – William Burck (1848–1910)
• Burdet – Hervé Maurice Burdet [es; fr; ru] (born 1939)
• Bureau – Louis Édouard Bureau (1830–1918)
• Burges – Norman Alan Burges (1911–2002)
• Burgess – Henry W. Burgess (fl. 1827–1833)
• Burgman – Mark A. Burgman (born 1956)
• Burkill – Isaac Henry Burkill (1870–1965)
• Burl. – Gertrude Simmons Burlingham (1872–1952)
• Burle-Marx – Roberto Burle Marx (1909–1994)
• Burm. – Johannes Burman (1707–1779)
• Burm.f. – Nicolaas Laurens Burman (1734–1793)
• Burnat – Émile Burnat (1828–1920)
• Burnett – Gilbert Thomas Burnett (1800–1835)
• Burret – Max Burret (1883–1964)
• Burrill – Thomas Jonathan Burrill (1839–1916)
• Burrows – Elsie May Burrows (1913–1986)
• Burtt – Bernard Dearman Burtt (1902–1938)
• Burtt Davy – Joseph Burtt Davy (1870–1940)
• Bury – Priscilla Susan Bury (1799–1872)
• Buscal. – Luigi Buscalioni [es; it; ru] (1863–1954)
• Bush – Benjamin Franklin Bush (1858–1937)
• Büttner – Oscar Alexander Richard Büttner (1858–1927)
• Butzin – Friedhelm Reinhold Butzin (born 1936)
• Buxb. – Franz Buxbaum (1900–1979)
• Buxton – Richard Buxton (1786–1865)
• Buyss. – Robert du Buysson (1861–1946)
• B.Walln. – Bruno Wallnöfer (born 1960)
• B.Whittier – Barbara Whittier
• B.W.Phillips – Barry W. Phillips (fl. 2011)
• B.W.van Ee – Benjamin William van Ee (born 1975)
• B.Y.Geng – Bao-Yin Geng (fl. 1985)
• Byng – James W. Byng (fl. 2014)
• Byrne – Margaret Mary Byrne (born 1960)
• Byrnes – Norman Brice Byrnes (born 1922)
• Bytebier – Benny Bytebier (born 1961)