- 612 specimens collected from at least 11 countries
- 23 specimens identified from at least 4 countries
- 40 specimens used in 10 works
Progress
Collected From
Identified From
- Switzerland 12
- Morocco 7
- France 3
- Italy 1
Dates Collected
- 1830 – 1835 5
- 1845 – 1850 1
- 1850 – 1855 3
- 1875 – 1880 1
- 1885 – 1890 12
- 1890 – 1895 64
- 1895 – 1900 31
- 1900 – 1905 46
- 1905 – 1910 22
- 1910 – 1915 18
- 1915 – 1920 8
- 1920 – 1925 11
- 1925 – 1930 34
- 1930 – 1935 144
- 1935 – 1940 94
- 1940 – 1945 7
- 1945 – 1950 8
- 1950 – 1955 13
- 1965 – 1970 3
Dates Identified
- 1885 – 1890 1
- 1890 – 1895 4
- 1895 – 1900 1
- 1900 – 1905 7
- 1915 – 1920 1
- 1925 – 1930 2