- 1,270 specimens collected from at least 5 countries
- 103 specimens identified from at least 2 countries
- 499 specimens used in 93 works
Progress
Dates Collected
- 1900 – 1905 1
- 1905 – 1910 1
- 1915 – 1920 1
- 1925 – 1930 3
- 1930 – 1935 40
- 1935 – 1940 169
- 1940 – 1945 9
- 1945 – 1950 61
- 1950 – 1955 36
- 1955 – 1960 2
- 1960 – 1965 14
- 1965 – 1970 7
- 1970 – 1975 2
- 1975 – 1980 17
- 1980 – 1985 2
- 1985 – 1990 1
- 1990 – 1995 1
- 1995 – 2000 2