- 3,894 specimens collected from at least 5 countries
- 2 specimens identified from at least 2 countries
- 242 specimens used in 18 works
Progress
Dates Collected
- 1830 – 1835 1
- 1900 – 1905 18
- 1905 – 1910 122
- 1910 – 1915 10
- 1915 – 1920 517
- 1920 – 1925 268
- 1925 – 1930 69
- 1930 – 1935 382
- 1935 – 1940 204
- 1940 – 1945 404
- 1945 – 1950 246
- 1950 – 1955 11
- 1955 – 1960 1
- 1995 – 2000 1