1. BPI (US National Fungus Collections) 2009. Fungal Databases - Specimens. Beltsville USA: Systematic Mycology and Microbiology Laboratory Agricultural Research Service USDA. www.nt.ars-grin.gov/fungaldatabases/specimens/specimens.cfm
2. Cummins GB 1962. Supplement to Arthur's Manual of Rusts in the United States and Canada. USA: Hafner Publishing Company.
3. Gjaerum H 1974. Nordens Rustsopper. Oslo Norway: Fungiflora 321 pp.
4. Hylander N Jorstad I Nannfeldt JA 1953. [English title not available]. (Enumerato Uredinearum Scandinavicarum) Opera Botanica a Societate Botanica Lundensi 1:1-102.
5. Karatygin IV Asbukina ZM 1996. Rust fungi (order Uredinales) from Russian Arctic. Materialy po Mikologii i Fitopatologii Leningrad 30:24-36.