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Rusty porecrust

Fungi: Basidiomycota: Agaricomycetes: Hymenochaetales: Hymenochaetaceae: Fuscoporia ferruginosa (Schrad.) Murrill

Fuscoporia ferruginosa – rusty porecrust

Synonyms: Acia ferruginosa, Agaricus ferruginosus, Asterostroma ochrostromum, Boletus ferruginosus, Fomes ferruginosus, Mucronoporus ferruginosus, Ochroporus confusus, Ochroporus ferruginosus, Phellinus ferruginosus, Physisporus ferruginosus, Physisporus umbrinus, Polyporus dichrous, Polyporus ferruginosus, Polyporus macounii, Polyporus umbrinus, Polystictus umbrinus, Poria ferruginosa, Poria laevigata, Poria macounii, Poria umbrina.

Common name: rusty porecrust.

AI-generated description

Fuscoporia ferruginosa is a brown rot fungus that grows on deciduous trees, particularly oak and elm. In East and Central Texas, it typically fruits in the fall, producing effused-reflexed to resupinate basidiocarps with a reddish-brown to rust-colored pore surface. The pores are small and angular, and the context is thin and concolorous with the pore surface. It can be found on stumps, logs, and dead branches, often in shaded, moist areas along streams and rivers.

Photos of this mushroom from East and Central Texas

Rusty porecrust fungus <B>Fuscoporia ferruginosa</B> in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkRusty porecrust fungus Fuscoporia ferruginosa in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Rusty porecrust fungus <B>Fuscoporia ferruginosa</B> on a dry stem of a bush in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkRusty porecrust fungus Fuscoporia ferruginosa on a dry stem of a bush in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Rusty porecrust fungus <B>Fuscoporia ferruginosa</B> on a small dry tree in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkRusty porecrust fungus Fuscoporia ferruginosa on a small dry tree in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Rusty porecrust fungus <B>Fuscoporia ferruginosa</B> covering a small dry tree in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkRusty porecrust fungus Fuscoporia ferruginosa covering a small dry tree in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Details of rusty porecrust fungus <B>Fuscoporia ferruginosa</B> covering a small dry tree in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkDetails of rusty porecrust fungus Fuscoporia ferruginosa covering a small dry tree in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Fringe of rusty porecrust fungus <B>Fuscoporia ferruginosa</B> covering a small dry tree in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2017-11-01.htm">November 1, 2017</A>
LinkFringe of rusty porecrust fungus Fuscoporia ferruginosa covering a small dry tree in Bee Creek Park. College Station, Texas, November 1, 2017
Location on mapsAnderson St, College Station, TX 77840, USA
Rusty porecrust mushrooms <B>Fuscoporia ferruginosa</B> on a fallen oak branch on Kiwanis Nature Trail. College Station, Texas, <A HREF="../date-en/2017-12-13.htm">December 13, 2017</A>
LinkRusty porecrust mushrooms Fuscoporia ferruginosa on a fallen oak branch on Kiwanis Nature Trail. College Station, Texas, December 13, 2017
Location on maps1101 Williams Creek Dr, College Station, TX 77840, USA
Resupinate poroid fungus <B>Fuscoporia ferruginosa</B> on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, <A HREF="../date-en/2018-11-24.htm">November 24, 2018</A>
LinkResupinate poroid fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Location on maps811 Lakeview Ln, Somerville, TX 77879, USA
Resupinate poroid fungus <B>Fuscoporia ferruginosa</B> on oak bark near Birch Creek Unit of Somerville Lake State Park. Texas, <A HREF="../date-en/2018-11-24.htm">November 24, 2018</A>
LinkResupinate poroid fungus Fuscoporia ferruginosa on oak bark near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Location on maps811 Lakeview Ln, Somerville, TX 77879, USA
Close up of resupinate poroid fungus <B>Fuscoporia ferruginosa</B> on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, <A HREF="../date-en/2018-11-24.htm">November 24, 2018</A>
LinkClose up of resupinate poroid fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Location on maps811 Lakeview Ln, Somerville, TX 77879, USA
Pores of resupinate fungus <B>Fuscoporia ferruginosa</B> on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, <A HREF="../date-en/2018-11-24.htm">November 24, 2018</A>
LinkPores of resupinate fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Location on maps811 Lakeview Ln, Somerville, TX 77879, USA
Close up of pores of resupinate fungus <B>Fuscoporia ferruginosa</B> on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, <A HREF="../date-en/2018-11-24.htm">November 24, 2018</A>
LinkClose up of pores of resupinate fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Location on maps811 Lakeview Ln, Somerville, TX 77879, USA
Rusty porecrust fungus (<B>Fuscoporia ferruginosa</B>)(?) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-12-15.htm">December 15, 2021</A>
LinkRusty porecrust fungus (Fuscoporia ferruginosa)(?) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 15, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Close-up of rusty porecrust fungus (<B>Fuscoporia ferruginosa</B>)(?) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-12-15.htm">December 15, 2021</A>
LinkClose-up of rusty porecrust fungus (Fuscoporia ferruginosa)(?) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 15, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States

AI-generated summary of observations

Observations of Fuscoporia ferruginosa in East and Central Texas show the fungus growing on various substrates, including dry stems, small trees, and fallen oak branches. It was found in Bee Creek Park, College Station, on November 1, 2017, covering small dry trees and a bush stem. Similar observations were made on Kiwanis Nature Trail and near Birch Creek Unit of Somerville Lake State Park, with the fungus growing on oak bark and fallen branches. The fungus was also spotted in Sam Houston National Forest, on a fallen oak near Pole Creek, on December 15, 2021. Close-up images reveal the details of the fungus's pores and fringe, showcasing its characteristic rusty color. The observations suggest that Fuscoporia ferruginosa is widely distributed in East and Central Texas, thriving on decaying wood in various environments.

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