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Zoned tooth

Fungi: Basidiomycota: Agaricomycetes: Thelephorales: Bankeraceae: Hydnellum concrescens (Pers.) Banker

Hydnellum concrescens – zoned tooth

Synonyms: Calodon fasciatus, Calodon zonatum, Calodon zonatus, Hydnellum fasciatum, Hydnellum parvum, Hydnellum queleletii, Hydnellum queletii, Hydnellum scrobiculatum, Hydnellum subsuccosum, Hydnellum velutinum, Hydnellum vespertilio, Hydnellum zonatum, Hydnum concrescens, Hydnum cyathiforme, Hydnum fasciatum, Hydnum parvum, Hydnum queletii, Hydnum scrobiculatum, Hydnum spathulatum, Hydnum vespertilio, Hydnum zonatum, Phaeodon zonatus, Phellodon fasciatus.

Common name: zoned tooth.

Extract from Wikipedia article: Hydnellum concrescens is an inedible fungus, commonly known as the zoned hydnellum or zoned tooth fungus. As with other tooth fungi, the spores are produced on spines on the underside of the cap, rather than gills. It has a funnel-shaped cap, typically between 2 and 7 cm (0.8–2.8 in) in diameter, which has characteristic concentric zones of color. The cap may also have radial ridges extending from the center to the margins. The spines are pink in young specimens, but turn brown with age.

Finnish: Vyöhykeorakas, Polish: Kolczakówka strefowana, Swedish: Zontaggsvamp.

AI-generated description

Hydnellum concrescens is a species of tooth fungus that grows in association with pine trees. In East and Central Texas, it typically fruits in the summer and fall months, producing irregularly shaped, wavy to lobed caps that are 2-6 cm in diameter and range in color from brown to reddish-brown. The flesh is tough and fibrous, and the spines are decurrent, whitish to pale brown, and 1-3 mm long. It can be found growing singly or in groups on the ground in pine-dominated forests, particularly under loblolly and shortleaf pines.

Photos of this mushroom from East and Central Texas

Zoned tooth fungus <B>Hydnellum concrescens</B> collected by people at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, <A HREF="../date-en/2018-11-03.htm">November 3, 2018</A>
LinkZoned tooth fungus Hydnellum concrescens collected by people at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 3, 2018
Location on mapsSam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Zoned tooth fungus <B>Hydnellum concrescens</B> under oaks in Little Thicket Nature Sanctuary. Cleveland, Texas, <A HREF="../date-en/2018-11-03.htm">November 3, 2018</A>
LinkZoned tooth fungus Hydnellum concrescens under oaks in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
Location on mapsSam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Zoned tooth fungus <B>Hydnellum concrescens</B> among dry oak leaves in Little Thicket Nature Sanctuary. Cleveland, Texas, <A HREF="../date-en/2018-11-03.htm">November 3, 2018</A>
LinkZoned tooth fungus Hydnellum concrescens among dry oak leaves in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
Location on mapsSam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Zoned tooth fungus (<B>Hydnellum concrescens</B>) near mossy wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkZoned tooth fungus (Hydnellum concrescens) near mossy wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Zoned tooth fungus (<B>Hydnellum concrescens</B>) with oak leaves and pine needles on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkZoned tooth fungus (Hydnellum concrescens) with oak leaves and pine needles on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Irregularly shaped zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkIrregularly shaped zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Underside of zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkUnderside of zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Close-up of zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkClose-up of zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Zoned tooth fungus (<B>Hydnellum concrescens</B>) and its underside view on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkZoned tooth fungus (Hydnellum concrescens) and its underside view on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Zoned tooth fungus (<B>Hydnellum concrescens</B>) with a cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkZoned tooth fungus (Hydnellum concrescens) with a cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Cross section of zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkCross section of zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Cap texture of zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkCap texture of zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Dissected zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkDissected zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States
Teeth arrangement of zoned tooth fungus (<B>Hydnellum concrescens</B>) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, <A HREF="../date-en/2021-11-20.htm">November 20, 2021</A>
LinkTeeth arrangement of zoned tooth fungus (Hydnellum concrescens) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 20, 2021
Location on mapsLone Star Hiking Trail, Montgomery County, Texas, United States

AI-generated summary of observations

Observations of Hydnellum concrescens in East and Central Texas show that it grows under oaks, among dry oak leaves, and near mossy wood. The fungus was found in Little Thicket Nature Sanctuary, Cleveland, and Sam Houston National Forest, Montgomery. It appears with oak leaves and pine needles, and its cap texture and teeth arrangement were observed. The fungus has an irregular shape and its underside was also documented. Cross sections of the fungus show its internal structure. The observations were made on November 3, 2018, and November 20, 2021, during mushroom walks and hikes in these areas, providing insights into the habitat and characteristics of Hydnellum concrescens in East and Central Texas. The fungus was collected and photographed, allowing for a detailed examination of its features.

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Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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