- 530 specimens collected from at least 3 countries
- 560 specimens identified from at least 1 country
- 504 specimens used in 25 works
Progress
Dates Collected
- 1880 – 1885 2
- 1905 – 1910 1
- 1910 – 1915 29
- 1915 – 1920 45
- 1920 – 1925 24
- 1925 – 1930 55
- 1930 – 1935 41
- 1935 – 1940 20
- 1940 – 1945 27
- 1945 – 1950 215
- 1965 – 1970 2
- 1975 – 1980 3
- 1980 – 1985 1
- 1985 – 1990 1
Dates Identified
- 1910 – 1915 1
- 1920 – 1925 1
- 1925 – 1930 8
- 1930 – 1935 5
- 1935 – 1940 1
- 1940 – 1945 1
- 1945 – 1950 44
- 1980 – 1985 3