Carroll William Dodge

January 20, 1895 – July 21, 1988

United States

Cyperaceae

Collected Cyperaceae and identified Parmeliaceae

Henri François Pittier
Henri François Pittier

August 13, 1857 – January 27, 1950

Switzerland; United States; Venezuela

Fabaceae

Collected Fabaceae and identified Melastomataceae

Adolphe Tonduz

1862 – 1921

Switzerland

Piperaceae

Collected Piperaceae and identified Piperaceae