William Louis Abbott

February 23, 1860 – April 02, 1936

United States

Vespertilionidae

Collected Vespertilionidae and identified Saccolomataceae

LeRoy Abrams
LeRoy Abrams

October 01, 1874 – August 15, 1956

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Myrtle T. Adams

December 13, 1903 – February 16, 1989

United States

Ericaceae

Collected Ericaceae and identified Cyperaceae

Alastair Martin Adamson

October 17, 1901 – December 24, 1945

Collected Partulidae and identified Pyralidae

Frank Ulysses Grant Agrelius

July 30, 1869 – February 15, 1962

United States

Poaceae

Collected Poaceae and identified Asteraceae

Harry E. Ahles

October 28, 1924 – March 21, 1981

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Carl Clarence Albers

January 04, 1898 – September 04, 1967

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Byron Wilson Pereira de Albuquerque

February 1932 – October 13, 2003

Brazil

Fabaceae

Collected Fabaceae and identified Rutaceae

Lulu Florence Allabach
Lulu Florence Allabach

July 03, 1869 – 1956

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Harry Ardell Allard

January 28, 1880 – February 25, 1963

United States

Cladoniaceae

Collected Cladoniaceae and identified Cyperaceae

Kenneth Willway Allison

February 01, 1894 – September 15, 1976

New Zealand

Pottiaceae

Collected Pottiaceae and identified Pottiaceae

Amdjah

? – 1916

Rubiaceae

Collected Rubiaceae

William Russell Anderson

November 25, 1942 – November 02, 2013

United States

Malpighiaceae

Collected Malpighiaceae and identified Malpighiaceae

Amelia Anderson Lundell

December 21, 1908 – August 27, 1998

United States

Poaceae

Collected Poaceae and identified Euphorbiaceae

Johann Daniel Anisits

1856 – 1911

Paraguay

Characidae

Collected Characidae

José Arechavaleta
José Arechavaleta

September 27, 1838 – June 16, 1912

Spain; Uruguay

Poaceae

Collected Poaceae and identified Poaceae

Graham Charles George Argent

May 15, 1941 – April 24, 2019

United Kingdom

Ericaceae

Collected Ericaceae and identified Ericaceae

Leandro Aristeguieta

November 20, 1923 – 2012

Venezuela

Fabaceae

Collected Fabaceae and identified Annonaceae

Louise Forney Arnold Tanger

February 05, 1889 – September 27, 1959

United States

Asteraceae

Collected Asteraceae

Erik Asplund

October 09, 1888 – July 30, 1974

Sweden

Asteraceae

Collected Asteraceae and identified Poaceae

Laurent Aké Assi

August 10, 1931 – January 14, 2014

Ivory Coast

Fabaceae

Collected Fabaceae and identified Fabaceae

Rimo Carlo Felice Bacigalupi

March 24, 1901 – August 23, 1996

United States

Asteraceae

Collected Asteraceae and identified Orobanchaceae

Ethel Zoe Bailey

November 17, 1889 – July 15, 1983

United States

Poaceae

Collected Poaceae and identified Amaryllidaceae

Ethel Bailey Higgins

August 10, 1866 – March 09, 1963

United States

Fabaceae

Collected Fabaceae and identified Plantaginaceae

Charles Fuller Baker
Charles Fuller Baker

March 22, 1872 – July 22, 1927

United States

Asteraceae

Collected Asteraceae and identified Pucciniaceae

Charlotte Johnson Baker
Charlotte Johnson Baker

March 30, 1855 – October 31, 1937

United States

Asteraceae

Collected Asteraceae

John Thomas Baldwin

1910 – 1974

United States

Rubiaceae

Collected Rubiaceae and identified Euphorbiaceae

Miguel Bang

1853 – 1895

Denmark

Asteraceae

Collected Asteraceae and identified Physciaceae

Joseph Banks
Joseph Banks

February 13, 1743 – June 19, 1820

United Kingdom of Great Britain and Ireland

Poaceae

Collected Poaceae and identified Dermestidae

Charles Melvin Barber

December 27, 1876 – June 23, 1954

United States

Asteraceae

Collected Asteraceae