- 23,791 specimens collected from at least 20 countries
- 177 specimens identified from at least 2 countries
- 4,091 specimens used in 144 works
Progress
Collected From
- United States 18,804
- Canada 4,700
- Switzerland 81
- Italy 55
- United Kingdom 24
- Austria 22
- Greece 12
- France 11
- Mexico 9
- Curaçao 6
- Panama 6
- Jamaica 4
- Norway 3
- Belize 3
- Virgin Islands, U.S. 3
- Germany 2
- Colombia 1
- Belgium 1
- Romania 1
- Iran 1
Identified From
- Canada 105
- United States 72
Dates Collected
- 1830 – 1835 1
- 1875 – 1880 2
- 1880 – 1885 2
- 1885 – 1890 3
- 1890 – 1895 6
- 1895 – 1900 42
- 1900 – 1905 4,007
- 1905 – 1910 2,591
- 1910 – 1915 1,677
- 1915 – 1920 2,201
- 1920 – 1925 1,977
- 1925 – 1930 735
- 1930 – 1935 1,726
- 1935 – 1940 2,149
- 1940 – 1945 2,643
- 1945 – 1950 1,563
- 1950 – 1955 900
- 1955 – 1960 1,156
- 1960 – 1965 318
- 1970 – 1975 1
- 1975 – 1980 1
- 1990 – 1995 4
- 2005 – 2010 1
Dates Identified
- 1900 – 1905 8
- 1905 – 1910 1
- 1915 – 1920 2
- 1920 – 1925 4
- 1925 – 1930 11
- 1930 – 1935 1
- 1935 – 1940 1
- 1945 – 1950 6
- 1950 – 1955 8
- 1955 – 1960 34
- 1960 – 1965 5
- 1990 – 1995 1
- 2020 – 2025 2