- 2,142 specimens collected from at least 3 countries
- 773 specimens used in 101 works
Progress
Collected From
- Mexico 1,385
- United States 649
- Guatemala 105
Identified From
Dates Collected
- 1800 – 1805 1
- 1835 – 1840 1
- 1880 – 1885 2
- 1885 – 1890 3
- 1890 – 1895 6
- 1895 – 1900 995
- 1900 – 1905 392
- 1905 – 1910 336
- 1910 – 1915 9
- 1930 – 1935 1
- 1935 – 1940 121
- 1940 – 1945 66
- 1945 – 1950 3
- 1955 – 1960 1
- 1970 – 1975 1
- 1980 – 1985 8
- 1985 – 1990 7
- 1990 – 1995 2
- 1995 – 2000 2
- 2005 – 2010 1