- 4,769 specimens collected from at least 9 countries
- 90 specimens identified from at least 2 countries
- 1,088 specimens used in 131 works
Progress
Collected From
- United States 4,674
- Mexico 15
- Canada 4
- Brazil 4
- United Kingdom 3
- Jamaica 1
- Uruguay 1
- India 1
- Panama 1
Identified From
- United States 79
- Mexico 9
Dates Collected
- 1805 – 1810 1
- 1810 – 1815 1
- 1820 – 1825 2
- 1825 – 1830 3
- 1835 – 1840 6
- 1840 – 1845 9
- 1845 – 1850 11
- 1850 – 1855 6
- 1855 – 1860 18
- 1860 – 1865 54
- 1865 – 1870 964
- 1870 – 1875 446
- 1875 – 1880 379
- 1880 – 1885 588
- 1885 – 1890 324
- 1890 – 1895 55
- 1895 – 1900 9
- 1900 – 1905 5
- 1905 – 1910 3
- 1930 – 1935 1
- 1935 – 1940 1
- 1940 – 1945 1
- 1945 – 1950 2
- 1950 – 1955 1
- 1965 – 1970 1
- 1975 – 1980 5
- 1980 – 1985 1
- 1985 – 1990 2
- 1990 – 1995 2
- 2000 – 2005 7
- 2005 – 2010 2
- 2010 – 2015 13