- 25,212 specimens collected from at least 19 countries
- 219 specimens identified from at least 9 countries
- 1,639 specimens used in 94 works
Progress
Collected From
- United States 13,845
- Panama 7,054
- Mexico 2,694
- Palau 374
- Northern Mariana Islands 311
- Colombia 254
- Micronesia, Federated States of 137
- Canada 99
- Guam 98
- Jamaica 48
- Indonesia 24
- Russian Federation 10
- Costa Rica 4
- Marshall Islands 4
- Germany 4
- Philippines 2
- Honduras 1
- Japan 1
- Belize 1
Identified From
- United States 154
- Panama 23
- Mexico 1
- Northern Mariana Islands 1
- Marshall Islands 1
- Germany 1
- France 1
- Algeria 1
- Austria 1
Dates Collected
- 1850 – 1855 1
- 1895 – 1900 1
- 1905 – 1910 2
- 1915 – 1920 1
- 1920 – 1925 5
- 1925 – 1930 6
- 1930 – 1935 466
- 1935 – 1940 906
- 1940 – 1945 4,976
- 1945 – 1950 2,364
- 1950 – 1955 2,356
- 1955 – 1960 12,147
- 1960 – 1965 464
- 1965 – 1970 544
- 1970 – 1975 266
- 1975 – 1980 441
- 1980 – 1985 129
- 1985 – 1990 3
- 1995 – 2000 4
Dates Identified
- 1935 – 1940 98
- 1940 – 1945 9
- 1945 – 1950 2
- 1955 – 1960 5
- 1960 – 1965 1