- 1,538 specimens collected from at least 5 countries
- 230 specimens identified from at least 4 countries
- 445 specimens used in 16 works
Progress
Collected From
- Canada 1,359
- United States 140
- Ecuador 29
- Australia 8
- Japan 1
Identified From
- Canada 197
- United States 29
- Germany 1
- France 1
Dates Collected
- 1905 – 1910 1
- 1925 – 1930 1
- 1965 – 1970 6
- 1970 – 1975 221
- 1975 – 1980 99
- 1980 – 1985 217
- 1985 – 1990 20
- 1990 – 1995 11
- 1995 – 2000 458
- 2000 – 2005 166
- 2005 – 2010 214
- 2010 – 2015 106
Dates Identified
- 1980 – 1985 50
- 1985 – 1990 40
- 2000 – 2005 87
- 2010 – 2015 1