- 15,099 specimens collected from at least 4 countries
- 1,132 specimens identified from at least 13 countries
- 2,735 specimens used in 198 works
Progress
Collected From
- United States 13,886
- Canada 1,107
- United Arab Emirates 1
- Norway 1
Identified From
- United States 848
- Canada 251
- Japan 5
- Mexico 4
- Brazil 4
- Bangladesh 3
- Greenland 2
- Germany 1
- China 1
- Jamaica 1
- India 1
- Kazakhstan 1
- Mongolia 1
Dates Collected
- 1820 – 1825 1
- 1865 – 1870 1
- 1875 – 1880 3
- 1880 – 1885 1
- 1885 – 1890 4
- 1890 – 1895 30
- 1895 – 1900 2,135
- 1900 – 1905 1,258
- 1905 – 1910 3,648
- 1910 – 1915 2,309
- 1915 – 1920 2,913
- 1920 – 1925 2,438
- 1925 – 1930 32
- 1930 – 1935 11
- 1935 – 1940 5
- 1940 – 1945 4
- 1955 – 1960 2
- 1965 – 1970 2
- 1975 – 1980 2
- 1980 – 1985 2
- 1985 – 1990 2
- 1995 – 2000 4
- 2005 – 2010 1
- 2010 – 2015 10
- 2015 – 2020 8
- 2020 – 2025 1
Dates Identified
- 1895 – 1900 19
- 1905 – 1910 6
- 1910 – 1915 1
- 1915 – 1920 4
- 1920 – 1925 22
- 1925 – 1930 5
- 1930 – 1935 5
- 1935 – 1940 1
- 1990 – 1995 1
- 2005 – 2010 3
- 2010 – 2015 6
- 2020 – 2025 2