Harry E. Ahles

* October 28, 1924 – March 21, 1981 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Rimo Carlo Felice Bacigalupi

* March 24, 1901 – August 23, 1996 †

United States

Asteraceae

Collected Asteraceae and identified Orobanchaceae

Sherwin Carlquist
Sherwin Carlquist

* July 07, 1930 – December 01, 2021 †

United States

Stylidiaceae

Collected Stylidiaceae and identified Stylidiaceae

William Chambers Coker

* October 24, 1872 – June 27, 1953 †

United States

Boletaceae

Collected Boletaceae and identified Clavariaceae

Lincoln Constance

* February 16, 1909 – June 11, 2001 †

United States

Collected Hydrophyllaceae and identified Apiaceae

Arthur Herman Holmgren

* November 18, 1912 – 1992 †

United States

Asteraceae

Collected Asteraceae and identified Poaceae

Steven W. Leonard

* 1943 – June 24, 2022 †

Poaceae

Collected Poaceae and identified Asteraceae

Alton A. Lindsey

* May 07, 1907 – December 19, 1999 †

Salicaceae

Collected Salicaceae and identified Hesperiidae