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Root rot

Fungi: Basidiomycota: Agaricomycetes: Russulales: Bondarzewiaceae: Heterobasidion annosum (Fr.) Bref.

Heterobasidion annosum – root rot

Synonyms: Boletus annosus, Boletus cryptarum, Boletus epiphegus, Cunninghamella meineckella, Fomes annosus, Fomes cryptarum, Fomitopsis annosa, Fomitopsis annosus, Friesia annosa, Heterobasidion cryptarum, Inodermus cryptarum, Oedocephalum meineckellus, Phellinus cryptarum, Physisporus makraulos, Placodes annosus, Polyporus annosus, Polyporus batschii, Polyporus cryptarum, Polyporus fuscus, Polyporus gillotii, Polyporus macraulos, Polyporus makraulos, Polyporus marginatoides, Polyporus nordmannii, Polyporus scoticus, Polyporus scutatus, Polyporus serpentarius, Polyporus subpileatus, Polystictoides fuscus, Polystictus cryptarum, Poria cryptarum, Poria macraula, Poria makraulos, Poria nordmannii, Poria scutata, Pycnoporus annosus, Scindalma annosum, Scindalma cryptarum, Spiniger meineckellus, Spongioides cryptarum, Trametes annosa, Trametes radiciperda, Trametes scutata, Ungulina annosa.

Common names: root rot, Conifer-base Polypore.

Extract from Wikipedia article: Heterobasidion annosum is a basidiomycete fungus in the family Bondarzewiaceae. It is considered to be the most economically important forest pathogen in the Northern Hemisphere. Heterobasidion annosum is widespread in forests in the United States and is responsible for the loss of one billion U.S. dollars annually. This fungus has been known by many different names. First described by Fries in 1821, it was known by the name Polyporus annosum. Later, it was found to be linked to conifer disease by Robert Hartig in 1874, and was renamed Fomes annosus by H. Karsten. Its current name of Heterobasidion annosum was given by Brefeld in 1888. Heterobasidion annosum causes one of the most destructive diseases of conifers. The disease caused by the fungus is named annosus root rot.

Belarusian: Губа яловая, Danish: Rodfordærver, Dutch: Dennenmoorder, Estonian: Juurepess, Finnish: Männynjuurikääpä, French: Polypore du pin, German: Gemeiner Wurzelschwamm, Japanese: マツノネクチタケ, Latvian: Sakņu piepe, Polish: Korzeniowiec sosnowy, Russian: Корневая губка, Swedish: Rotticka.

Photos of this mushroom from East and Central Texas

Root rot fungus (polypore mushroom) <B>Heterobasidion annosum</B>(?) on a dry pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2018-11-23.htm">November 23, 2018</A>
LinkRoot rot fungus (polypore mushroom) Heterobasidion annosum(?) on a dry pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
Location on mapsBig Creek Trail, Shepherd, TX 77371, USA
Pores of a polypore mushroom <B>Heterobasidion annosum</B>(?) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2018-11-23.htm">November 23, 2018</A>
LinkPores of a polypore mushroom Heterobasidion annosum(?) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
Location on mapsBig Creek Trail, Shepherd, TX 77371, USA
Root rot fungus <B>Heterobasidion annosum</B> enveloping leaves and needles on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkRoot rot fungus Heterobasidion annosum enveloping leaves and needles on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Root rot fungus <B>Heterobasidion annosum</B> on leaves attached to a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkRoot rot fungus Heterobasidion annosum on leaves attached to a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Root rot fungus <B>Heterobasidion annosum</B> on bark of a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkRoot rot fungus Heterobasidion annosum on bark of a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Texture of root rot fungus <B>Heterobasidion annosum</B> on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkTexture of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Round patch of root rot fungus <B>Heterobasidion annosum</B> on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkRound patch of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Close-up of root rot fungus <B>Heterobasidion annosum</B> on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkClose-up of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
White pores of root rot fungus <B>Heterobasidion annosum</B> on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-01-19.htm">January 19, 2020</A>
LinkWhite pores of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA

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