Coleosporium asterum

Coleosporium asterum is a species of rust fungus^[2] in the family Coleosporiaceae.^[1] It infects species in the Asteraceae family, such as those in genus Aster and Solidago, as well as the needle pines Pinus contorta and P. banksiana.^[2] It has been recorded on aster family species Canadanthus modestus, Eurybia conspicua, Solidago missouriensis, Symphyotrichum ciliolatum, S. laeve,^[3] and numerous others.^[4]

Coleosporium asterum
On a leaf of a plant in family Asteraceae
On a needle of a tree in the genus Pinus
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Pucciniomycetes
Order:	Pucciniales
Family:	Coleosporiaceae
Genus:	Coleosporium
Species:	C. asterum
Binomial name
Coleosporium asterum (Dietel) Syd. & P.Syd. (1914)[1]
Synonyms[1]
Basionym Stichopsora asterum Dietel (1900) Others Coleosporium montanum (Arthur & F.Kern) McTaggart & Aime (2018) Coleosporium solidaginis (Schwein.) Thüm. (1878) Peridermium montanum Arthur & F.Kern (1906) Stichopsora solidaginis (Schwein.) Dietel (1903) Uredo solidaginis Schwein. (1822)

The basionym of Coleosporium asterum is Stichopsora asterum, and the fungus originally was found in 1898 on leaves of the Asteraceae species Callistephus chinensis, Aster scaber (now Doellingeria scabra), and Aster tataricus on the island of Honshu, Japan.^[5]