Álvaro Wille Trejos
Alvaro Wille Trejos
* May 17, 1928 – June 11, 2006 †
naturalist
- 356 specimens collected from at least 2 countries
- 2,162 specimens identified from at least 16 countries
- 697 specimens used in 9 works
Progress
Collected From
- Costa Rica 353
- United States 3
Dates Collected
- 1945 – 1950 3
- 1950 – 1955 3
- 1955 – 1960 2
- 1960 – 1965 331
- 1995 – 2000 16
Dates Identified
- 1905 – 1910 27
- 1970 – 1975 1,970
- 1985 – 1990 1
- 1995 – 2000 5
- 2020 – 2023 8