- 4,534 specimens collected from at least 27 countries
- 54 specimens identified from at least 3 countries
- 401 specimens used in 7 works
Progress
Collected From
- Germany 2,184
- Italy 751
- United Kingdom 217
- Austria 193
- Switzerland 119
- Hungary 39
- Belgium 37
- Netherlands 35
- France 33
- Sweden 33
- Poland 24
- Czechia 22
- United States 14
- India 13
- Romania 12
- Greece 12
- Russian Federation 9
- Slovakia 7
- Spain 6
- Denmark 3
- Brazil 2
- Norway 2
- Algeria 2
- Puerto Rico 1
- Suriname 1
- Indonesia 1
- Belarus 1
Identified From
- Germany 10
- Italy 7
- Switzerland 4
Dates Collected
- 1770 – 1775 1
- 1815 – 1820 2
- 1825 – 1830 2
- 1830 – 1835 3
- 1845 – 1850 112
- 1850 – 1855 200
- 1855 – 1860 285
- 1860 – 1865 273
- 1865 – 1870 198
- 1870 – 1875 367
- 1875 – 1880 364
- 1880 – 1885 24
- 1885 – 1890 9
- 1890 – 1895 46
- 1895 – 1900 23
- 1910 – 1915 2
- 1935 – 1940 1
- 1945 – 1950 1
- 1950 – 1955 1
Dates Identified
- 1845 – 1850 10
- 1855 – 1860 2
- 1875 – 1880 2