Richard Sumner Cowan
Richard Sumner Cowan; R.S.Cowan; R. S. Cowan; Richard S. Cowan; Richard Cowan
January 23, 1921 – November 17, 1997
botanist, scientist
American botanist (1921–1997)
http://www.wikidata.org/entity/Q6108714
https://en.wikipedia.org/wiki/Richard_Sumner_Cowan [View]
Cowan, Richard. 2025. Natural history specimens collected and/or identified and deposited. [Data set]. Zenodo. https://doi.org/10.5281/zenodo.8166317
- 12,108 specimens collected from at least 35 countries
- 18,767 specimens identified from at least 45 countries
- 5,516 specimens used in 209 works
Progress
Collected From
- Brazil 2,412
- Venezuela 2,248
- United States 1,776
- Guyana 1,184
- Australia 1,074
- Trinidad and Tobago 1,049
- Marshall Islands 573
- Suriname 398
- French Guiana 361
- Mexico 352
- Saint Lucia 137
- Antigua and Barbuda 105
- Colombia 85
- Dominica 71
- Northern Mariana Islands 19
- United Kingdom 18
- Costa Rica 5
- Peru 5
- Jamaica 4
- Dominican Republic 3
- Belize 3
- New Zealand 3
- Barbados 2
- Bahamas 2
- Isle of Man 2
- Canada 2
- Virgin Islands, U.S. 1
- Grenada 1
- Cocos (Keeling) Islands 1
- Argentina 1
- Bolivia 1
- India 1
- Afghanistan 1
- Fiji 1
- Bermuda 1
Identified From
- Australia 11,147
- Brazil 4,894
- Venezuela 700
- Colombia 451
- Guyana 310
- Suriname 274
- Mexico 190
- Peru 146
- French Guiana 105
- Panama 99
- Ecuador 72
- United States 65
- Trinidad and Tobago 38
- Costa Rica 23
- Bolivia 22
- Guatemala 19
- Christmas Island 14
- Cocos (Keeling) Islands 12
- Chile 9
- Nicaragua 8
- Norfolk Island 8
- Honduras 5
- Papua New Guinea 5
- Guadeloupe 4
- Belize 4
- Germany 3
- New Zealand 3
- South Africa 3
- Philippines 3
- Dominican Republic 3
- Paraguay 2
- New Caledonia 2
- Argentina 2
- El Salvador 2
- Grenada 2
- Jamaica 1
- Tanzania 1
- Virgin Islands, U.S. 1
- Saint Lucia 1
- Fiji 1
- Réunion 1
- Indonesia 1
- Marshall Islands 1
- France 1
- United Kingdom 1
Dates Collected
- 1840 – 1845 1
- 1845 – 1850 52
- 1850 – 1855 4
- 1855 – 1860 1
- 1860 – 1865 1
- 1865 – 1870 3
- 1885 – 1890 8
- 1890 – 1895 9
- 1895 – 1900 3
- 1900 – 1905 2
- 1905 – 1910 4
- 1910 – 1915 8
- 1915 – 1920 14
- 1920 – 1925 18
- 1925 – 1930 11
- 1930 – 1935 19
- 1935 – 1940 13
- 1940 – 1945 109
- 1945 – 1950 2,166
- 1950 – 1955 4,887
- 1955 – 1960 1,669
- 1960 – 1965 1,270
- 1965 – 1970 95
- 1970 – 1975 12
- 1975 – 1980 29
- 1980 – 1985 29
- 1985 – 1990 980
- 1990 – 1995 100
- 1995 – 2000 26
- 2000 – 2005 6
- 2005 – 2010 4
- 2010 – 2015 2
- 2015 – 2020 1
Dates Identified
- 1895 – 1900 1
- 1930 – 1935 1
- 1940 – 1945 1
- 1945 – 1950 22
- 1950 – 1955 190
- 1955 – 1960 251
- 1960 – 1965 639
- 1965 – 1970 161
- 1970 – 1975 465
- 1975 – 1980 849
- 1980 – 1985 694
- 1985 – 1990 3,410
- 1990 – 1995 5,079
- 1995 – 2000 2,354
- 2000 – 2005 4
- 2005 – 2010 10
- 2010 – 2015 9
- 2015 – 2020 1
- 2020 – 2025 260
- 2025 – 2025 21