Irpex lacteus

 ( Fungi Described In 1818 ) 

Irpex lacteus is a common crust fungus distributed throughout temperate areas of the world. It is the type species of the genus Irpex. Irpex lacteus is considered a polypore, but depending on growth conditions it can also produce a hydnoid fungi hymenophore. Due to this variability and abundance of the species it has been described as a new species to science numerous times and subsequently has an extensive synonymy. The complete genome sequence of Irpex lacteus was reported in 2017.

Irpex lacteus is a white rot fungus that inhabits mainly angiosperm branches and trunks.Gilbertson RL, Ryvarden L (1986) North American polypores 1, Abortiporus to Lindtneria. Oslo, Fungiflora. It is one of the most common wood-rotting fungi for instance in urban North America. It is inedible.

The fungus has been identified as a cause of pulmonary infections in immuno-compromised humans.

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Taxonomy The fungus was first described in 1818 by Elias Magnus Fries, who called it Sistotrema lacteum. Fries later made it the type species of the genus Irpex in 1828.

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Synonyms

• Boletus cinerascens Schwein. (1822)
• Boletus tulipiferae Schwein. (1822)
• Coriolus lacteus (Fr.) Pat. (1900)
• Coriolus tulipiferae (Schwein.) Pat. (1900)
• Daedalea diabolica Speg. (1889)
• Hirschioporus lacteus (Fr.) Teng (1963)

• Hydnum lacteum (Fr.) Fr. (1823)
• Irpex bresadolae Schulzer (1885)
• Irpex diabolicus (Speg.) Bres. (1919)
• Irpex hirsutus Kalchbr. (1878)
• Irpex lacteus f. sinuosus (Fr.) Nikol. (1953)
• Irpex pallescens Fr. (1838)
• Irpex sinuosus Fr. (1828)
• Irpiciporus lacteus (Fr.) Murrill (1907)
• Irpiciporus tulipiferae (Schwein.) Murrill (1905)
• Microporus chartaceus (Berk. & M.A.Curtis) Kuntze, (1898)
• Microporus cinerascens (Schwein.) Kuntze (1898)
• Polyporus chartaceus Berk. & M.A.Curtis (1849)
• Polyporus tulipiferae (Schwein.) Overh. as, (1915)
• Polystictus bresadolae (Schulzer) Sacc. (1888)
• Polystictus chartaceus (Berk. & M.A.Curtis) Cooke, (1886)
• Polystictus cinerascens (Schwein.) Cooke (1886)
• Polystictus cinerescens (Schwein.) Cooke
• Polystictus tulipiferae (Schwein.) Cooke (1886)
• Poria cincinnati Berk. ex Cooke, (1886)
• Poria tulipiferae (Schwein.) Cooke, (1888)
• Sistotrema lacteum Fr. (1818)
• Steccherinum lacteum (Fr.) Krieglst. (1999)
• Trametes lactea (Fr.) Pilát (1940)
• Xylodon bresadolae (Schulzer) Kuntze (1898)
• Xylodon hirsutus (Kalchbr.) Kuntze (1898)
• Xylodon lacteus (Fr.) Kuntze (1898)
• Xylodon pallescens (Fr.) Kuntze (1898)
• Xylodon sinuosus (Fr.) Kuntze (1898)

Categories: Fungi Described In 1818, Fungi Of Europe, Fungi Of North America, Fungal Plant Pathogens And Diseases, Inedible Fungi, Irpicaceae, Taxa Named By Elias Magnus Fries, Fungus Species

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