- 145 specimens collected from at least 7 countries
- 106 specimens identified from at least 11 countries
- 78 specimens used in 15 works
Progress
Dates Collected
- 1880 – 1885 1
- 1905 – 1910 1
- 1910 – 1915 12
- 1915 – 1920 3
- 1920 – 1925 2
- 1925 – 1930 10
- 1930 – 1935 12
- 1935 – 1940 4
- 1945 – 1950 1
- 1950 – 1955 3
- 1955 – 1960 2
- 1965 – 1970 9
- 1970 – 1975 1
- 1975 – 1980 36
- 1985 – 1990 1