- 461 specimens collected from at least 6 countries
- 97 specimens identified from at least 3 countries
- 140 specimens used in 45 works
Progress
Dates Collected
- 1905 – 1910 1
- 1920 – 1925 2
- 1925 – 1930 112
- 1930 – 1935 179
- 1935 – 1940 27
- 1940 – 1945 38
- 1945 – 1950 20
- 1950 – 1955 2
- 1955 – 1960 10
- 1960 – 1965 1
- 1995 – 2000 1