- 64 specimens collected from at least 4 countries
- 1,754 specimens identified from at least 7 countries
- 45 specimens used in 7 works
Progress
Collected From
- United States 57
- Sweden 3
- Norway 1
- Russian Federation 1
Identified From
- Norway 1,163
- Svalbard and Jan Mayen 487
- United States 61
- Sweden 19
- Greenland 17
- Canada 3
- Russian Federation 2
Dates Collected
- 1920 – 1925 1
- 1925 – 1930 1
- 1930 – 1935 3
- 1935 – 1940 2
- 1945 – 1950 10
- 1950 – 1955 2
- 1960 – 1965 2
- 1965 – 1970 43
Dates Identified
- 1920 – 1925 1
- 1925 – 1930 1
- 1930 – 1935 3
- 1935 – 1940 4
- 1940 – 1945 2
- 1945 – 1950 10
- 1950 – 1955 2
- 1955 – 1960 467
- 1960 – 1965 70
- 1965 – 1970 43
- 1970 – 1975 1,013
- 1995 – 2000 2