- 880 specimens collected from at least 2 countries
- 140 specimens used in 23 works
Progress
Collected From
- United States 446
- Mexico 424
Identified From
Dates Collected
- 1810 – 1815 1
- 1820 – 1825 2
- 1825 – 1830 2
- 1830 – 1835 2
- 1845 – 1850 3
- 1870 – 1875 1
- 1895 – 1900 1
- 1925 – 1930 1