- 278 specimens collected from at least 3 countries
- 27 specimens identified from at least 2 countries
- 14 specimens used in 3 works
Progress
Collected From
- United States 270
- Guatemala 7
- Canada 1
Identified From
- United States 10
- Mexico 2
Dates Collected
- 1890 – 1895 1
- 1900 – 1905 67
- 1905 – 1910 22
- 1910 – 1915 6
- 1915 – 1920 9
- 1920 – 1925 14
- 1925 – 1930 9
- 1930 – 1935 2
- 1935 – 1940 1
- 1950 – 1955 1
- 1955 – 1960 1
- 2010 – 2015 1
Dates Identified
- 1910 – 1915 1
- 1940 – 1945 1
- 1945 – 1950 1
- 2010 – 2015 13