- 734 specimens collected from at least 3 countries
- 189 specimens used in 20 works
Progress
Collected From
- United States 732
- Mexico 1
- Guatemala 1
Identified From
Dates Collected
- 1965 – 1970 53
- 1970 – 1975 121
- 1975 – 1980 96
- 1980 – 1985 132
- 1985 – 1990 228
- 1990 – 1995 103