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Forest lamb

Fungi: Basidiomycota: Agaricomycetes: Russulales: Albatrellaceae: Albatrellus subrubescens (Murrill) Pouzar

Albatrellus subrubescens – forest lamb

Synonyms: Albatrellus ovinus, Polyporus subrubescens, Scutiger ovinus, Scutiger subrubescens.

Common name: forest lamb.

Extract from Wikipedia article: Albatrellus subrubescens is a species of polypore fungus in the family Albatrellaceae. The fruit bodies (mushrooms) of the fungus have whitish to pale buff-colored caps that can reach up to 14.5 cm (5.7 in) in diameter, and stems up to 7 cm (2.8 in) long and 2 cm (0.8 in) thick. On the underside of the caps are tiny light yellow to pale greenish-yellow pores, the site of spore production. When the fruit bodies are fresh, the cap and pores stain yellow where exposed, handled, or bruised.

Finnish: Vuohenkääpä, Swedish: Lammticka.

AI-generated description

Albatrellus subrubescens is a species of fungus that belongs to the family Albatrellaceae. It is a small to medium-sized polypore with a reddish-brown to tan cap, often with a velvety texture, and white to yellowish pores. In East and Central Texas, it typically grows on the ground in association with oak and pine trees, particularly in sandy or clay soils. Fruitings are usually solitary or scattered, and can be found from summer to fall. The fungus is edible, but not widely sought after due to its small size and variable flavor.

Photos of this mushroom from East and Central Texas

Terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on a steep side of a small ravine of a creek, on exposed sand and clay soil partially covered by needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkTerrestrial polypore mushrooms Albatrellus subrubescens on a steep side of a small ravine of a creek, on exposed sand and clay soil partially covered by needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> together with Cladonia lichen on a steep side of a small ravine of a creek, on exposed sand and clay soil partially covered by needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkTerrestrial polypore mushrooms Albatrellus subrubescens together with Cladonia lichen on a steep side of a small ravine of a creek, on exposed sand and clay soil partially covered by needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on a steep side of a small ravine, on exposed sand and clay soil on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkTerrestrial polypore mushrooms Albatrellus subrubescens on a steep side of a small ravine, on exposed sand and clay soil on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Underside of terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on a steep side of a small ravine, on exposed sand and clay soil on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkUnderside of terrestrial polypore mushrooms Albatrellus subrubescens on a steep side of a small ravine, on exposed sand and clay soil on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Pore surface of terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkPore surface of terrestrial polypore mushrooms Albatrellus subrubescens on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on a steep side of a small ravine of a creek with pine needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-01.htm">January 1, 2021</A>
LinkTerrestrial polypore mushrooms Albatrellus subrubescens on a steep side of a small ravine of a creek with pine needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Forest lamb mushrooms (<B>Albatrellus subrubescens</B>) on a steep side of a small ravine, on exposed sand and clay soil (in the same place where it was seen earlier 1/1/2021) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-12-05.htm">December 5, 2021</A>
LinkForest lamb mushrooms (Albatrellus subrubescens) on a steep side of a small ravine, on exposed sand and clay soil (in the same place where it was seen earlier 1/1/2021) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Forest lamb mushrooms (<B>Albatrellus subrubescens</B>) with cross section on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-12-05.htm">December 5, 2021</A>
LinkForest lamb mushrooms (Albatrellus subrubescens) with cross section on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Upper view of forest lamb mushrooms (<B>Albatrellus subrubescens</B>) on a steep side of a small ravine on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-12-05.htm">December 5, 2021</A>
LinkUpper view of forest lamb mushrooms (Albatrellus subrubescens) on a steep side of a small ravine on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of forest lamb mushroom (<B>Albatrellus subrubescens</B>) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-12-05.htm">December 5, 2021</A>
LinkUnderside of forest lamb mushroom (Albatrellus subrubescens) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on a slope of 3-rd creek on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2023-12-22.htm">December 22, 2023</A>
LinkTerrestrial polypore mushrooms Albatrellus subrubescens on a slope of 3-rd creek on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2023-12-22.htm">December 22, 2023</A>
LinkUnderside of terrestrial polypore mushrooms Albatrellus subrubescens on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Cross section of terrestrial polypore mushrooms <B>Albatrellus subrubescens</B> (pore layer 1-3 mm thick) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2023-12-22.htm">December 22, 2023</A>
LinkCross section of terrestrial polypore mushrooms Albatrellus subrubescens (pore layer 1-3 mm thick) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Pores of mushrooms <B>Albatrellus subrubescens</B> on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2023-12-22.htm">December 22, 2023</A>
LinkPores of mushrooms Albatrellus subrubescens on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Pore surface of mushrooms <B>Albatrellus subrubescens</B> on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2023-12-22.htm">December 22, 2023</A>
LinkPore surface of mushrooms Albatrellus subrubescens on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Tissues at low magnification of mushrooms <B>Albatrellus subrubescens</B> collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
LinkTissues at low magnification of mushrooms Albatrellus subrubescens collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Tissues of mushrooms <B>Albatrellus subrubescens</B> collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
LinkTissues of mushrooms Albatrellus subrubescens collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Hyphae and spores of mushrooms <B>Albatrellus subrubescens</B> collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
LinkHyphae and spores of mushrooms Albatrellus subrubescens collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Basidia of mushrooms <B>Albatrellus subrubescens</B> collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
LinkBasidia of mushrooms Albatrellus subrubescens collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Spores of mushrooms <B>Albatrellus subrubescens</B> collected 2 days before on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 24, 2023
LinkSpores of mushrooms Albatrellus subrubescens collected 2 days before on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 24, 2023

AI-generated summary of observations

Observations of Albatrellus subrubescens in East and Central Texas show that the fungus grows on steep sides of small ravines, typically on exposed sand and clay soil partially covered by pine needles. It has been found on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery, Texas, on multiple occasions between 2021 and 2023. The mushrooms often co-occur with Cladonia lichen and are characterized by a terrestrial polypore morphology with a pore surface. Cross-sections of the mushrooms reveal a pore layer 1-3 mm thick, and microscopic examination shows hyphae, spores, and basidia. The fungus appears to be persistent in the area, with observations made at the same location over a period of several years, including January 1, 2021, December 5, 2021, and December 22-24, 2023.

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