- 771 specimens collected from at least 1 country
- 214 specimens identified from at least 1 country
- 77 specimens used in 16 works
Progress
Collected From
- United States 770
Identified From
- United States 214
Dates Collected
- 1925 – 1930 23
- 1930 – 1935 1
- 1935 – 1940 166
- 1940 – 1945 110
- 1945 – 1950 7
- 1950 – 1955 2
- 1955 – 1960 11
- 1960 – 1965 75
- 1965 – 1970 181
- 1970 – 1975 138
- 1975 – 1980 48
- 1985 – 1990 1
Dates Identified
- 1935 – 1940 94
- 1940 – 1945 91
- 1945 – 1950 2
- 1950 – 1955 4