Julian Alfred Steyermark

January 27, 1909 – October 15, 1988

United States

Poaceae

Collected Poaceae and identified Rubiaceae

Collected Fabaceae and identified Balanophoraceae

Camillo Torrend

1875 – 1961

Portugal; Kingdom of Portugal

Collected Polyporaceae and identified Polyporaceae

Ernst Heinrich Georg Ule

March 12, 1854 – July 15, 1915

Kingdom of Prussia

Fabaceae

Collected Fabaceae and identified Bromeliaceae

August Weberbauer
August Weberbauer

November 26, 1871 – January 16, 1948

German Reich

Asteraceae

Collected Asteraceae and identified Caryophyllaceae

Hugh Algernon Weddell
Hugh Algernon Weddell

June 22, 1819 – July 22, 1877

United Kingdom of Great Britain and Ireland

Asteraceae

Collected Asteraceae and identified Asteraceae

Charles Wright
Charles Wright

October 29, 1811 – August 11, 1885

United States

Poaceae

Collected Poaceae and identified Lejeuneaceae

John Julius Wurdack

April 28, 1921 – May 13, 1998

United States

Melastomataceae

Collected Melastomataceae and identified Melastomataceae

Elsa Matilde Zardini

June 09, 1949 – November 30, 2020

Argentina; Paraguay

Asteraceae

Collected Asteraceae and identified Onagraceae

James Lee Zarucchi

1952 – July 21, 2019

United States

Fabaceae

Collected Fabaceae and identified Apocynaceae

Leo Zehntner

December 19, 1864 – April 03, 1961

Switzerland

Fabaceae

Collected Fabaceae and identified Arthrosphaeridae

Fernando Zuloaga

Argentina

Poaceae

Collected Poaceae and identified Poaceae

Elías Ramón de la Sota

September 27, 1932 – January 20, 2014

Argentina

Polypodiaceae

Collected Polypodiaceae and identified Polypodiaceae

Alexander von Humboldt
Alexander von Humboldt

September 14, 1769 – May 06, 1859

Kingdom of Prussia

Asteraceae

Collected Asteraceae and identified Cordiaceae