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Rusty woodwart

Fungi: Ascomycota: Sordariomycetes: Xylariales: Hypoxylaceae: Hypoxylon rubiginosum (Pers.) Fr., 1849

Hypoxylon rubiginosum – rusty woodwart

Synonyms: Cucurbitaria botryosa, Discosphaera rubiginosa, Euhypoxylon rubiginosum, Gibberidea botryosa, Hypoxylon botryosum, Hypoxylon botrys, Hypoxylon decorticatum, Hypoxylon florideum, Hypoxylon multiforme, Hypoxylon stereoides, Sphaeria botryosa, Sphaeria granulosa, Sphaeria multiformis, Sphaeria rubiginosa, Stromatosphaeria rubiginosa.

Common name: rusty woodwart.

Photos of this mushroom from East and Central Texas

Yellow corticioid fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) that looks like sprayed paint on underside of an oak log in a dried shallow creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkYellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) that looks like sprayed paint on underside of an oak log in a dried shallow creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Close up of a yellow fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkClose up of a yellow fungus (Hypoxylon rubiginosum(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow corticioid fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkYellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow corticioid fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkYellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Thin yellow corticioid fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) on underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkThin yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) on underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Thin yellow corticioid fungus (<B>Hypoxylon rubiginosum</B>(?), young stage) covering underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-19.htm">May 19, 2018</A>
LinkThin yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) covering underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow crust fungus <B>Hypoxylon rubiginosum</B>(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-05-26.htm">May 26, 2018</A>
LinkYellow crust fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Spreading yellow and dark-brown fungus <B>Hypoxylon rubiginosum</B>(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkSpreading yellow and dark-brown fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow and dark-brown crust fungus <B>Hypoxylon rubiginosum</B>(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkYellow and dark-brown crust fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow and dark-brown <B>Hypoxylon rubiginosum</B>(?) corticioid fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkYellow and dark-brown Hypoxylon rubiginosum(?) corticioid fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow and dark-brown <B>Hypoxylon rubiginosum</B>(?) crust fungus spreading on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkYellow and dark-brown Hypoxylon rubiginosum(?) crust fungus spreading on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
<B>Hypoxylon rubiginosum</B>(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkHypoxylon rubiginosum(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Yellow and dark-brown <B>Hypoxylon rubiginosum</B>(?) fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkYellow and dark-brown Hypoxylon rubiginosum(?) fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Close up of <B>Hypoxylon rubiginosum</B>(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, <A HREF="../date-en/2018-06-09.htm">June 9, 2018</A>
LinkClose up of Hypoxylon rubiginosum(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Crust fungus <B>Hypoxylon rubiginosum</B>(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2019-08-31.htm">August 31, 2019</A>
LinkCrust fungus Hypoxylon rubiginosum(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Crust fungus <B>Hypoxylon rubiginosum</B>(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2019-08-31.htm">August 31, 2019</A>
LinkCrust fungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Fungus <B>Hypoxylon rubiginosum</B>(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2019-08-31.htm">August 31, 2019</A>
LinkFungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Crust fungus <B>Hypoxylon rubiginosum</B>(?) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, <A HREF="../date-en/2019-09-07.htm">September 7, 2019</A>
LinkCrust fungus Hypoxylon rubiginosum(?) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 7, 2019
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Crust fungus <B>Hypoxylon rubiginosum</B>(?) on a log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, <A HREF="../date-en/2019-09-07.htm">September 7, 2019</A>
LinkCrust fungus Hypoxylon rubiginosum(?) on a log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 7, 2019
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Fungus <B>Hypoxylon rubiginosum</B>(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2019-09-14.htm">September 14, 2019</A>
LinkFungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Location on mapsLSHT Little Lake Creek Loop, Montgomery, TX 77356, USA

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