Hydnum alboaurantiacum is a species of tooth fungus characterized by its white to orange-yellow fruiting body, 3-8 cm wide, with spines 2-5 mm long on the underside. In East and Central Texas, it typically grows on the ground in association with oak, pine, and other trees, often in sandy or clay soils. Fruitings occur from summer to fall, with a peak in late summer. The fungus is widely distributed in the region, including in urban and rural areas, and can be found in a variety of habitats, including forests, woodlands, and along roadsides.
Observations of Hydnum alboaurantiacum in East and Central Texas reveal that the fungus grows in grass and needle litter. On Winters Bayou Trail in Sam Houston National Forest, thin white mushrooms were found on December 7, 2019. Cross sections of the mushrooms showed a browning effect, while close-up views highlighted their slender appearance among grass and needles. The fungi were also observed growing in groups, with small specimens found in needle litter near the trail. These sightings suggest that Hydnum alboaurantiacum thrives in forest environments with abundant organic matter, such as needles and grass. The species' growth habits and characteristics are evident in these observations from Cleveland, Texas, providing insight into its ecological preferences. Specifically, the fungus appears to favor shaded, moist areas with rich soil and litter.
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