- 391 specimens collected from at least 8 countries
- 54 specimens identified from at least 3 countries
- 65 specimens used in 16 works
Progress
Dates Collected
- 1800 – 1805 1
- 1820 – 1825 1
- 1830 – 1835 2
- 1835 – 1840 1
- 1845 – 1850 3
- 1855 – 1860 3
- 1895 – 1900 1
- 1935 – 1940 1