- 5,739 specimens collected from at least 20 countries
- 3,789 specimens used in 69 works
Progress
Collected From
- United States 3,599
- Canada 611
- Mexico 509
- Uruguay 291
- Costa Rica 162
- Cayman Islands 109
- Guadeloupe 91
- Germany 68
- Colombia 59
- Venezuela 44
- Montserrat 40
- Sweden 39
- United Kingdom 37
- Bahamas 27
- Jamaica 20
- Bermuda 17
- Puerto Rico 10
- South Africa 3
- Guyana 1
- Cuba 1
Identified From
Dates Collected
- 1890 – 1895 1
- 1900 – 1905 2
- 1910 – 1915 1
- 1920 – 1925 3
- 1930 – 1935 1
- 1945 – 1950 1
- 1955 – 1960 16
- 1960 – 1965 833
- 1965 – 1970 659
- 1970 – 1975 1,579
- 1975 – 1980 1,076
- 1980 – 1985 846
- 1985 – 1990 604
- 1990 – 1995 106
- 1995 – 2000 4