- 550 specimens collected from at least 8 countries
- 6 specimens identified from at least 2 countries
- 249 specimens used in 19 works
Progress
Collected From
- Angola 447
- Guinea-Bissau 49
- Cameroon 22
- Congo, The Democratic Republic of the 17
- South Africa 4
- Guinea 2
- France 1
- Spain 1
Dates Collected
- 1825 – 1830 3
- 1895 – 1900 1
- 1925 – 1930 20
- 1930 – 1935 178
- 1935 – 1940 63
- 1945 – 1950 14