1. Zur Kenntnis der Zytologie der skandinavischen Antennaria-Arten;Bergman;Hereditas,1935
2. Eine neue apomiktische Antennaria;Bergman;Sv. Bot. Tidskr.,1937
3. Biological distributional types in the flora of Greenland;Bôcher;Medd. om Grønland,1938
4. Chromosome numbers of some arctic or boreal flowering plants;Bôcher;Medd. om Grønland,1950
5. Notes on some Greenland Antennariae;Ekman;Sv. Bot. Tidskr.,1927