- 1,580 specimens collected from at least 3 countries
- 270 specimens used in 51 works
Progress
Collected From
- Mexico 721
- United States 696
- Ireland 1
Identified From
Dates Collected
- 1810 – 1815 1
- 1820 – 1825 4
- 1825 – 1830 2
- 1830 – 1835 6
- 1840 – 1845 2
- 1845 – 1850 7
- 1855 – 1860 1
- 1865 – 1870 2
- 1870 – 1875 31
- 1895 – 1900 2
- 1925 – 1930 1