- 2,322 specimens collected from at least 2 countries
- 46 specimens identified from at least 2 countries
- 57 specimens used in 28 works
Progress
Collected From
- Norway 1,414
- United Kingdom 1
Identified From
- Norway 45
- United Kingdom 1
Dates Collected
- 1840 – 1845 1
- 1850 – 1855 51
- 1855 – 1860 1
- 1865 – 1870 1
- 1880 – 1885 3
- 1890 – 1895 1
- 1915 – 1920 3
- 1920 – 1925 2
Dates Identified
- 1850 – 1855 42
- 1865 – 1870 1
- 1880 – 1885 1