- 1,094 specimens collected from at least 6 countries
- 519 specimens identified from at least 16 countries
- 304 specimens used in 36 works
Progress
Dates Collected
- 1930 – 1935 1
- 1935 – 1940 12
- 1940 – 1945 6
- 1945 – 1950 6
- 1950 – 1955 37
- 1955 – 1960 168
- 1960 – 1965 542
- 1965 – 1970 16
- 1970 – 1975 47
- 1975 – 1980 185
- 1980 – 1985 67
- 1985 – 1990 2
- 1995 – 2000 1
Dates Identified
- 1935 – 1940 1
- 1940 – 1945 3
- 1945 – 1950 3
- 1950 – 1955 4
- 1955 – 1960 7
- 1960 – 1965 3
- 1965 – 1970 7
- 1970 – 1975 2
- 1975 – 1980 7
- 1980 – 1985 13
- 1985 – 1990 4
- 1990 – 1995 3
- 1995 – 2000 3
- 2000 – 2005 8
- 2010 – 2015 2