Francis W. Pennell
F. W. Pennell; Francis Whittier Pennell; Pennell
* August 04, 1886 – February 03, 1952 †
botanist, botanical collector
U.S. botanist (1886–1952)
http://www.wikidata.org/entity/Q3297757
https://en.wikipedia.org/wiki/Francis_W._Pennell [View]
Academy of Natural Sciences of Drexel University, Philadelphia, PA, US
- 670 specimens collected from at least 6 countries
- 249 specimens identified from at least 11 countries
- 83 specimens used in 26 works
Progress
Collected From
- Mexico 402
- United States 175
- Colombia 54
- Peru 31
- Canada 5
- New Caledonia 1
Dates Collected
- 1800 – 1805 1
- 1905 – 1910 1
- 1910 – 1915 20
- 1915 – 1920 48
- 1920 – 1925 31
- 1925 – 1930 32
- 1930 – 1935 334
- 1935 – 1940 140
- 1940 – 1945 52
- 1945 – 1950 4
- 1995 – 2000 1
Dates Identified
- 1905 – 1910 1
- 1910 – 1915 1
- 1925 – 1930 10
- 1930 – 1935 16
- 1935 – 1940 57
- 1940 – 1945 19
- 1945 – 1950 35
- 1950 – 1955 1
- 2000 – 2005 1
- 2015 – 2020 1