- 29 specimens collected from at least 2 countries
- 40 specimens identified from at least 7 countries
- 21 specimens used in 15 works
Progress
Dates Collected
- 1930 – 1935 2
- 1965 – 1970 8
- 1970 – 1975 8
- 1995 – 2000 7
Dates Identified
- 1950 – 1955 13
- 1955 – 1960 1
- 1960 – 1965 5
- 2005 – 2010 1