''Chrysomyxa'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

rust fungi Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales (previously known as Uredinales). An estimated 168 rust genera and approximately 7,000 species, more than half of which belong to the genus ''Puccinia'', are currently a ...

in the family

Coleosporiaceae The Coleosporiaceae are a family of rust fungi in the order Pucciniales. The family contains 6 genera and 131 species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biod ...

. The genus, widespread in the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

, contains about 23 species. Rust fungi in the genus ''Chrysomyxa'' occur in

boreal forest Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, ...

s of the northern hemisphere on

Pinaceae The Pinaceae, or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as Cedrus, cedars, firs, Tsuga, hemlocks, larches, pines and spruces. The family is included in the order Pinales, ...

, (mostly ''

Picea A spruce is a tree of the genus ''Picea'' (), a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. ''Picea'' is the sole genus in the subfami ...

''), and most species alternate to

angiosperm Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

hosts in the

Ericaceae The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...

.Crane, P.E. 2001. Morphology, taxonomy, and nomenclature of the ''Chrysomyxa ledi'' complex and related rust fungi on spruce and Ericaceae in North America and Europe. Can. J. Bot. 79:957–982.

Species

*'' Chrysomyxa abietis'' *'' Chrysomyxa arctostaphyli'' *'' Chrysomyxa cassandrae'' *'' Chrysomyxa chiogenis'' *'' Chrysomyxa diebuensis'' *'' Chrysomyxa empetri'' *''

Chrysomyxa expansa ''Chrysomyxa'' is a genus of rust fungi in the family Coleosporiaceae. The genus, widespread in the Northern Hemisphere, contains about 23 species. Rust fungi in the genus ''Chrysomyxa'' occur in boreal forests of the northern hemisphere on Pinac ...

'' *'' Chrysomyxa himalensis'' *'' Chrysomyxa ledi'' *''

Chrysomyxa ledicola ''Chrysomyxa ledicola'' is a plant pathogen responsible for the disease large-spored spruce-Labrador tea rust. It affects white spruce, black spruce, Sitka spruce, Engelmann spruce, and Labrador-tea. It is also the cause of the orange goo that ...

'' *'' Chrysomyxa nagodhii'' *'' Chrysomyxa neoglandulosi'' *'' Chrysomyxa piperiana'' *'' Chrysomyxa pirolata'' *'' Chrysomyxa pyrolae'' *'' Chrysomyxa reticulata'' *'' Chrysomyxa rhododendri'' *'' Chrysomyxa roanensis'' *'' Chrysomyxa stilbae'' *'' Chrysomyxa succinea'' *'' Chrysomyxa vaccinii'' *'' Chrysomyxa weirii'' *'' Chrysomyxa woroninii'' *'' Chrysomyxa zhuoniensis''

References

Taxa described in 1840 {{Basidiomycota-stub