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Terracotta hedgehog

Fungi: Basidiomycota: Agaricomycetes: Cantharellales: Cantharellaceae: Hydnum rufescens Pers.

Hydnum rufescens – terracotta hedgehog

Synonyms: Dentinum rufescens, Hydnum carnosum, Hydnum repandum, Hydnum sulcatipes, Sarcodon repandum, Tyrodon rufescens.

Common name: terracotta hedgehog.

Extract from Wikipedia article: Hydnum rufescens, commonly known as the terracotta hedgehog, is an edible basidiomycete of the family Hydnaceae. It belongs to the small group of mushrooms often referred to as the tooth fungi, which produce fruit bodies whose cap undersurfaces are covered by hymenophores resembling spines or teeth, and not pores or gills.

Catalan: Llengua de bou vermellosa, Czech: Lišák ryšavý, Estonian: Pruunjas narmik, Finnish: Rusko-orakas, Galician: Lingua de vaca avermellada, Hungarian: Sárgásvörös gereben, Lithuanian: Rausvagelsvis dyglutis, Norwegian Bokmål: Rødgul piggsopp, Polish: Kolczak rudawy, Russian: Ежовик рыжеющий, Swedish: Rödgul taggsvamp, Welsh: Pigau draenog cochlyd.

AI-generated description

Hydnum rufescens is a species of tooth fungus characterized by its reddish-brown to orange-brown cap, spines, and stem. In East and Central Texas, it typically grows on the ground in association with pine, oak, and other trees, often in sandy or clay soils. Fruitings are commonly found from summer to fall, with caps ranging from 2-8 cm in diameter and spines that are decurrent, crowded, and pale yellow to orange-brown. The flesh is white to pale brown, and the odor is mild to sweet. It is considered edible and has been reported in various regions of East and Central Texas, including the Piney Woods and Post Oak Savannah ecoregions.

Photos of this mushroom from East and Central Texas

Terracotta hedgehog mushrooms (<B>Hydnum rufescens</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>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on maps16163 Bethel Rd, Montgomery, TX 77356, USA
Side view of terracotta hedgehog mushrooms (<B>Hydnum rufescens</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>
LinkSide view of terracotta hedgehog mushrooms (Hydnum rufescens) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 1, 2021
Location on maps16163 Bethel Rd, Montgomery, TX 77356, USA
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</B>) in a pine forest on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, <A HREF="../date-en/2021-01-20.htm">January 20, 2021</A>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) in a pine forest on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 20, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</B>) among pine needles 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/2021-06-08.htm">June 8, 2021</A>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) among pine needles near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 8, 2021
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</B>) under pines 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/2021-06-08.htm">June 8, 2021</A>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) under pines near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 8, 2021
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</B>) with a cross section 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/2021-06-08.htm">June 8, 2021</A>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) with a cross section near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 8, 2021
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</B>) near a pine root in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2021-11-21.htm">November 21, 2021</A>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) near a pine root in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
Location on mapsLone Star Hiking Trail, San Jacinto County, Texas, United States
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</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>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) 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
Terracotta hedgehog mushrooms (<B>Hydnum rufescens</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>
LinkTerracotta hedgehog mushrooms (Hydnum rufescens) 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

AI-generated summary of observations

Observations of Hydnum rufescens in East and Central Texas reveal that the fungus grows in pine forests, often among pine needles. It has been spotted in various locations, including Sand Branch Loop Trail and Little Lake Creek Wilderness in Sam Houston National Forest, near Montgomery and Shepherd. The mushrooms have been found on multiple dates, including January, June, November, and December, suggesting a wide fruiting period. They tend to grow near pine roots or under pine trees, and cross-sections of the mushrooms have been observed. The fungus appears to thrive in the region's forest ecosystems, with repeated sightings in the same areas over time. The observations provide insight into the habitat and growth patterns of Hydnum rufescens in East and Central Texas.

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Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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