F. K. Butters

1878 – 1945

• A floristic study of Cook County, northeastern Minnesota
• A new Oxytrope of the Minnesota-Ontario border
• Hybrid Woodsias in Minnesota
• Identity of Heuchera hispida Pursh
• On the occurrence of Pinus banksiana in southeastern Minnesota
• Reputed Minnesota plants which probably do not occur in the State
• Some peculiar cases of plant distribution in the Selkirk Mountains, British Columbia
• Taxonomic and geographic studies in North America ferns
• Taxonomic studies in the genus Majanthemum
• The American Variety of Saxifraga Aizoon
• The distribution of the white oak in Minnesota
• The genus Poa in Cook County, Minnesota