Harry E. Ahles

October 28, 1924 – March 21, 1981

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

George Briggs Aiton

1856 – 1931

United States

Poaceae

Collected Poaceae

Collected Rosaceae and identified Geraniaceae

Annie Montague Alexander
Annie Montague Alexander

December 29, 1867 – September 10, 1950

United States

Cricetidae

Collected Cricetidae and identified Cyperaceae

Arthur Hugh Garfit Alston

September 04, 1902 – March 17, 1958

United Kingdom; United Kingdom of Great Britain and Ireland

Polypodiaceae

Collected Polypodiaceae and identified Selaginellaceae

Oakes Ames

September 26, 1874 – April 28, 1950

United States

Orchidaceae

Collected Orchidaceae and identified Orchidaceae

Lewis Edward Anderson

June 16, 1912 – February 01, 2007

United States

Cladoniaceae

Collected Cladoniaceae and identified Sphagnaceae

Loran Crittenden Anderson

February 07, 1936 – December 24, 2022

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Carrolle Elizabeth Markle

January 08, 1908 – February 20, 1996

United States

Lycopodiaceae

Collected Lycopodiaceae

Louise Forney Arnold Tanger

February 05, 1889 – September 27, 1959

United States

Asteraceae

Collected Asteraceae

Collected Asteraceae and identified Violaceae

Miguel Bang

1853 – 1895

Denmark

Asteraceae

Collected Asteraceae and identified Physciaceae

Rupert Charles Barneby

October 06, 1911 – December 05, 2000

United Kingdom; United States of America; United Kingdom of Great Britain and Ireland

Fabaceae

Collected Fabaceae and identified Fabaceae

Graziela Barroso

April 11, 1912 – May 05, 2003

Brazil

Fabaceae

Collected Fabaceae and identified Asteraceae

Elizabeth Ann Bartholomew

June 14, 1912 – March 15, 1985

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Harley Harris Bartlett

March 09, 1886 – February 21, 1960

United States

Poaceae

Collected Poaceae and identified Poaceae

Ivar Ossian Bergroth

1868 – 1904

Grand Principality of Finland

Collected Anastrophyllaceae and identified Lepidoziaceae

Anton Hilmer Berkman

April 10, 1897 – May 14, 1973

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Ehoarn Bidault
Ehoarn Bidault

Gabon; Guinea; Liberia; Cameroon; Comoros

Rubiaceae

Collected Rubiaceae and identified Commelinaceae

Henry Clinton Bigelow

1865 – 1922

Dryopteridaceae

Collected Dryopteridaceae and identified Dryopteridaceae

Ernest Everett Bogue

January 12, 1864 – August 19, 1907

United States

Physciaceae

Collected Physciaceae and identified Physciaceae

Edwin Robert Bogusch

June 06, 1905 – May 15, 1986

United States

Asteraceae

Collected Asteraceae and identified Fabaceae

Effie Boon

December 04, 1894 – December 19, 1988

United States

Fagaceae

Collected Fagaceae

Collected Crassulaceae and identified Asteraceae

Nina Floy Bracelin

March 24, 1890 – July 08, 1973

United States

Salicaceae

Collected Salicaceae and identified Asparagaceae

Leonard John Brass

May 17, 1900 – August 29, 1971

United States; Australia

Poaceae

Collected Poaceae and identified Fabaceae

Walter Elias Broadway

1863 – 1935

United Kingdom; United Kingdom of Great Britain and Ireland

Fabaceae

Collected Fabaceae and identified Fabaceae

Cleora Clokey

February 06, 1880 – January 13, 1950

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Collected Asteraceae and identified Asteraceae

Collected Poaceae and identified Poaceae