- 1,175 specimens collected from at least 2 countries
- 25 specimens identified from at least 1 country
- 824 specimens used in 8 works
Progress
Collected From
- South Africa 479
- United States 1
Identified From
- South Africa 25
Dates Collected
- 1920 – 1925 27
- 1925 – 1930 39
- 1930 – 1935 30
- 1935 – 1940 191
- 1940 – 1945 30
- 1945 – 1950 83
- 1950 – 1955 20
- 1955 – 1960 19
- 1960 – 1965 22
- 1965 – 1970 11
- 1970 – 1975 1