Abbott, William Louis

* February 23, 1860 – April 02, 1936 †

United States

Collected Vespertilionidae and identified Saccolomataceae

van Ackeren Dieterle, Jennie

* August 02, 1909 – April 15, 1999 †

United States

Collected Cucurbitaceae and identified Cucurbitaceae

Adams, Myrtle L. T.

* December 13, 1903 – February 16, 1989 †

United States

Collected Ericaceae and identified Cyperaceae

Adamson, Alastair Martin

* October 17, 1901 – December 24, 1945 †

Collected Partulidae and identified Pyralidae

de Albuquerque, Byron Wilson Pereira

* February 1932 – October 13, 2003 †

Brazil

Collected Fabaceae and identified Rutaceae

Lulu Florence Allabach
Allabach, Lulu Florence

* July 03, 1869 – 1956 †

United States

Collected Asteraceae and identified Asteraceae

Allard, Harry Ardell

* January 28, 1880 – February 25, 1963 †

United States

Collected Cladoniaceae and identified Cyperaceae

Francisco Freire Allemão
Allemão, Francisco Freire

* July 24, 1797 – November 11, 1874 †

Brazil

Collected Fabaceae and identified Fabaceae

Amdjah

* ? – 1916 †

Collected Rubiaceae

Anderson, William Russell

* November 25, 1942 – January 02, 2013 †

United States

Collected Malpighiaceae and identified Malpighiaceae

Anisits, Johann Daniel

* 1856 – 1911 †

Paraguay

Collected Characidae

José Arechavaleta
Arechavaleta, José

* September 27, 1838 – June 16, 1912 †

Spain; Uruguay

Collected Poaceae and identified Poaceae

Argent, Graham Charles George

* May 15, 1941 – April 24, 2019 †

United Kingdom

Collected Ericaceae and identified Ericaceae

Arsène, Gustave

* 1867 – May 25, 1938 †

France

Collected Poaceae and identified Parmeliaceae

Asplund, Erik

* October 09, 1888 – July 30, 1974 †

Sweden

Collected Poaceae and identified Poaceae

Bacigalupi, Rimo Carlo Felice

* March 24, 1901 – August 23, 1996 †

United States

Collected Asteraceae and identified Orobanchaceae

Bailey, Ethel Zoe

* November 17, 1889 – July 15, 1983 †

United States

Collected Poaceae and identified Amaryllidaceae

Charles Fuller Baker
Baker, Charles Fuller

* March 22, 1872 – July 22, 1927 †

United States

Collected Asteraceae and identified Fabaceae

Bang, Miguel

* 1853 – 1936 †

Collected Asteraceae and identified Physciaceae

Joseph Banks
Banks, Joseph

* February 24, 1743 – June 19, 1820 †

United Kingdom of Great Britain and Ireland

Collected Poaceae and identified Dermestidae

Barber, Charles Melvin

* December 27, 1876 – June 23, 1954 †

United States

Collected Asteraceae

Barclay, Harriet George

* August 31, 1901 – May 25, 1990 †

Collected Asteraceae and identified Asteraceae

Barkley, Fred Alexander

* November 04, 1908 – June 24, 1989 †

United States

Collected Asteraceae and identified Poaceae

Barneby, Rupert Charles

* October 06, 1911 – December 05, 2000 †

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

Collected Fabaceae and identified Fabaceae

Barroso, Graziela

* April 11, 1912 – May 05, 2003 †

Brazil

Collected Fabaceae and identified Asteraceae

Bartlett, Harley Harris

* March 09, 1886 – February 21, 1960 †

United States

Collected Asteraceae and identified Poaceae

Bartlett, Francis William

* October 03, 1896 – May 19, 1979 †

New Zealand

Collected Amaranthaceae

Beaman, John Homer

* June 20, 1929 – August 07, 2015 †

United States

Collected Rubiaceae and identified Rubiaceae

Beamer, Lucy

* February 03, 1893 – March 01, 1992 †

Collected Megachilidae and identified Asteraceae

Berlandier, Jean-Louis

* August 01, 1803 – April 22, 1851 †

France

Collected Asteraceae and identified Malvaceae