- 363 specimens collected from at least 7 countries
- 78 specimens identified from at least 4 countries
- 42 specimens used in 18 works
Progress
Collected From
Dates Collected
- 1920 – 1925 49
- 1925 – 1930 278
- 1930 – 1935 28
- 1935 – 1940 4
Dates Identified
- 1925 – 1930 14
- 1930 – 1935 2