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Red rust

Cephaleuros
Cephaleuros virescens01.jpg
Infestation of Cephaleuros virescens
Scientific classification
Kingdom: Viridiplantae
Division: Chlorophyta
Class: Ulvophyceae
Order: Trentepohliales
Family: Trentepohliaceae
Genus: Cephaleuros
Kunze, 1827 ex Fries, 1832: 327

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 and subtropics such as tea, coffee, 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 to form a lichen that does not damage the plants.

The species currently recognised are:



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Wikipedia

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