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Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot. [1] [2] It affects members of the Prunus genus such as; cherry, plum, apricot, and chokecherry trees in North America. The disease produces rough, black growths that encircle and kill the infested parts, and provide habitat for insects.
The name chaga comes from the Russian name of the fungus, ча́га, čága, which in turn is borrowed from the word for "mushroom" in Komi, тшак, tšak, the language of the indigenous peoples in the Kama River Basin, west of the Ural Mountains. It is also known as the clinker polypore, cinder conk, black mass and birch canker polypore. [16]
Fulvifomes robiniae, commonly called the cracked cap polypore, is a fungus of the family of Hymenochaetaceae. The fungus primarily infests black locusts, aided by openings caused by Megacyllene robiniae infestation, but also grows on various other trees such as Carya, oak, and Acacia. Cracked cap polypore is sympatric with most of its hosts.
The black locust is among the preferred reproductive hosts of the polyphagous shot-hole borer (PSHB, Euwallacea fornicatus). The PSHB will tunnel galleries into the trees, where it cultivates a fusarium fungus as a food source. The tree's vascular systems are disrupted; causing dieback. [22]
Exidia nigricans is a species of fungus in the family Auriculariaceae.In the UK, it has the recommended English name of warlock's butter. [1] It produces black, gelatinous basidiocarps (fruit bodies) and is a common, wood-rotting species throughout the Northern Hemisphere, typically growing on dead attached branches of broadleaf trees.
Tar spot does not usually have an adverse effect on the trees' long-term health. [1] R. acerinum is an Ascomycete fungus that locally infects the leaves of trees and is a biotrophic parasite. [2] The disease is cosmetic and is therefore usually controlled only with sanitation methods. [3]
Exidia glandulosa is a species of fungus in the family Auriculariaceae. In the UK, it has the recommended English name of witch's butter. [1] In North America it has variously been called black witches' butter, black jelly roll, [2] or warty jelly fungus. [3] It is a common, wood-rotting species in Europe, typically growing on dead attached ...
Bulgaria inquinans is a fungus in the family Phacidiaceae. It is commonly known by the names poor man's licorice, [1] black bulgar and black jelly drops. [2] [3] It grows on dead trees including oak, hornbeam, and ash, in Europe and North America.