- 3,844 specimens collected from at least 9 countries
- 40 specimens identified from at least 5 countries
- 795 specimens used in 8 works
Progress
Collected From
Dates Collected
- 1925 – 1930 6
- 1935 – 1940 1
- 1940 – 1945 865
- 1945 – 1950 746
- 1950 – 1955 465
- 1955 – 1960 1,105
- 1960 – 1965 578
- 1965 – 1970 2
- 1980 – 1985 5