- 103 specimens collected from at least 6 countries
- 21 specimens identified from at least 4 countries
- 53 specimens used in 19 works
Progress
Identified From
Dates Collected
- 1925 – 1930 5
- 1930 – 1935 10
- 1945 – 1950 2
- 1950 – 1955 1
- 1955 – 1960 79
- 1965 – 1970 1
- 1980 – 1985 1
Dates Identified
- 1930 – 1935 2
- 1950 – 1955 15
- 1955 – 1960 1