- 1,064 specimens collected from at least 5 countries
- 22 specimens identified from at least 1 country
- 172 specimens used in 52 works
Progress
Collected From
- Canada 544
- United States 417
- Antarctica 44
- Ecuador 4
- New Zealand 4
Identified From
Dates Collected
- 1915 – 1920 10
- 1920 – 1925 5
- 1930 – 1935 214
- 1935 – 1940 51
- 1940 – 1945 43
- 1945 – 1950 84
- 1950 – 1955 583
- 1960 – 1965 20
- 1965 – 1970 3
- 1970 – 1975 9
- 1980 – 1985 1
- 1985 – 1990 1
Dates Identified
- 1930 – 1935 2
- 1935 – 1940 9
- 1945 – 1950 5
- 2015 – 2020 3