On This Day

April 13

Pop, Emil

* April 13, 1897 – July 14, 1974 †

Identified Cyperaceae and collected Asteraceae

Printz, Hans Christian

* April 13, 1817 – January 15, 1910 †

Norway

Identified Cyperaceae and collected Cyperaceae

Rambaut, William Hautenville

* April 13, 1822 – August 26, 1893 †

Ranft, Manfred

* April 13, 1926 – November 07, 2016 †

Germany; German Democratic Republic

August Gottlieb Richter
Richter, August Gottlieb

* April 13, 1742 – July 23, 1812 †

Germany

Ritsema, Coenraad

* April 13, 1846 – January 09, 1929 †

Kingdom of the Netherlands

Joseph-Charles Roettiers
Roettiers, Joseph-Charles

* April 13, 1691 – March 14, 1779 †

France

Roux, Jakob Wilhelm

* April 13, 1771 – August 22, 1831 †

Germany

Schilder, Franz Alfred

* April 13, 1896 – August 11, 1970 †

Germany

Oscar Schlömilch
Schlömilch, Oscar

* April 13, 1823 – February 07, 1901 †

Germany

Schweinfurth, Charles

* April 13, 1890 – November 16, 1970 †

United States

Identified Orchidaceae and collected Orchidaceae

Samuel Hubbard Scudder
Scudder, Samuel Hubbard

* April 13, 1837 – May 17, 1911 †

United States

Identified Acrididae and collected Cercopidae

J. D. Sedding
Sedding, J. D.

* April 13, 1838 – April 07, 1891 †

Simon, André

* April 13, 1913 – 1976 †

France

Andrew Sinclair
Sinclair, Andrew

* April 13, 1794 – March 26, 1861 †

New Zealand; United Kingdom of Great Britain and Ireland; Great Britain

Identified Poaceae and collected Asteraceae

Emilie Snethlage
Snethlage, Emilie

* April 13, 1868 – November 25, 1929 †

Brazil; Germany

Collected Thraupidae

Daniel Friedrich Sotzmann
Sotzmann, Daniel Friedrich

* April 13, 1754 – August 03, 1840 †

Kingdom of Prussia

Sturany, Rudolf

* April 13, 1867 – February 28, 1935 †

Austria

Stötzner, Friedrich Walter

* April 13, 1882 – October 22, 1965 †

Svendsen, Olaf Andreas

* April 13, 1927 – January 26, 2009 †

Norway

Identified Poaceae and collected Poaceae

Trinidad Pardo de Tavera
de Tavera, Trinidad Pardo

* April 13, 1857 – March 26, 1925 †

Philippines

Thiele, Hans Ulrich

* April 13, 1929 – June 09, 1983 †

Johann Friedrich Weidler
Weidler, Johann Friedrich

* April 13, 1691 – November 30, 1755 †

Germany

Wessely, Joseph

* April 13, 1813 – November 01, 1892 †

Austrian Empire; Austria-Hungary

Ray Lyman Wilbur
Wilbur, Ray Lyman

* April 13, 1875 – June 26, 1949 †

United States

Helen Maria Winslow
Winslow, Helen Maria

* April 13, 1851 – 1938 †

United States