- 22,703 specimens collected from at least 4 countries
- 8 specimens identified from at least 1 country
- 156 specimens used in 36 works
Progress
Collected From
- United States 22,672
- Egypt 2
- United Kingdom 2
- South Africa 1
Identified From
Dates Collected
- 1800 – 1805 1
- 1845 – 1850 1
- 1875 – 1880 3
- 1880 – 1885 61
- 1885 – 1890 167
- 1890 – 1895 3,130
- 1895 – 1900 1,766
- 1900 – 1905 2,166
- 1905 – 1910 1,013
- 1910 – 1915 2,235
- 1915 – 1920 2,108
- 1920 – 1925 2,227
- 1925 – 1930 2,050
- 1930 – 1935 1,511
- 1935 – 1940 2,582
- 1940 – 1945 1,419
- 1945 – 1950 6
- 1955 – 1960 1
- 1970 – 1975 1
- 2010 – 2015 1