''Cephaleuros'' is a genus of parasitic thalloid green algae comprising approximately 14 species. Its common name is red rust. Specimens can reach around 10 mm in size. Dichotomous branches are formed. The alga is parasitic on some important economic plants of the

tropics The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referr ...

and

subtropic The subtropical zones or subtropics are geographical and climate zones to the north and south of the tropics. Geographically part of the temperate zones of both hemispheres, they cover the middle latitudes from to approximately 35° north and ...

s such as

tea Tea is an aromatic beverage prepared by pouring hot or boiling water over cured or fresh leaves of ''Camellia sinensis'', an evergreen shrub native to East Asia which probably originated in the borderlands of southwestern China and north ...

coffee Coffee is a drink prepared from roasted coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content. It is the most popular hot drink in the world. Seeds of ...

, mango and guava causing damage limited to the area of algal growth on leaves (algal leaf spot), or killing new shoots, or disfiguring fruit. Members of the genera may also grow with a

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from t ...

to form a lichen that does not damage the plants.

Species

The species currently recognised are: *'' Cephaleuros biolophus'' *'' Cephaleuros diffusus'' *'' Cephaleuros drouetii'' *'' Cephaleuros endophyticus'' *''

Cephaleuros expansa ''Cephaleuros'' is a genus of parasitic thalloid green algae comprising approximately 14 species. Its common name is red rust. Specimens can reach around 10 mm in size. Dichotomous branches are formed. The alga is parasitic on some importa ...

'' *'' Cephaleuros henningsii'' *'' Cephaleuros karstenii'' *'' Cephaleuros lagerheimii'' *'' Cephaleuros minimus'' *'' Cephaleuros parasiticus'' *'' Cephaleuros pilosa'' *'' Cephaleuros solutus'' *'' Cephaleuros tumidae-setae'' *''

Cephaleuros virescens ''Cephaleuros virescens'' is an algal plant pathogen that infects tea, coffee and coconut plants, causing algal leaf spot or algal rust. Host and symptoms ''Cephaleuros virescens'' is known to have a broad host range, the widest host range of t ...

References

External links

Images
of ''Cephaleuros'' at

Algaebase AlgaeBase is a global species database of information on all groups of algae, both marine and freshwater, as well as sea-grass. History AlgaeBase began in March 1996, founded by Michael Guiry. Text was copied from this source, which is avail ...

Trentepohliaceae Ulvophyceae genera {{Ulvophyceae-stub