Synonyms: Mycoacia bispora, Phlebia bispora, Resinicium bisporum.
Mycoaciella bispora is a species of fungus that belongs to the family Meruliaceae. It is a saprotrophic fungus that grows on decaying wood and other plant material. In East and Central Texas, Mycoaciella bispora has been found on a variety of substrates, including logs, stumps, and fallen branches of trees such as oak, pine, and cedar. The fungus produces small, white to cream-colored fruiting bodies that are typically resupinate, meaning they grow flat against the substrate. Spores of M. bispora are cylindrical to ellipsoidal in shape and measure 4-6 μm in length. Collections of this fungus in East and Central Texas have been reported from a range of habitats, including forests, woodlands, and urban areas.
Brown tooth fungus Mycoaciella bispora (Hydnaceae) on Kiwanis Nature Trail. College Station, Texas, January 14, 2018
1101 Williams Creek Dr, College Station, TX 77840, USA
Brown tooth fungus Mycoaciella bispora (Hydnaceae) on rotten wood on Kiwanis Nature Trail. College Station, Texas, January 14, 20181101 Williams Creek Dr, College Station, TX 77840, USA
Brown tooth fungus Mycoaciella bispora (Hydnaceae) on a fallen tree on Kiwanis Nature Trail. College Station, Texas, January 14, 20181101 Williams Creek Dr, College Station, TX 77840, USA
Hydnoid (tooth) resupinate mushroom Mycoaciella bispora on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019Unnamed Road, Washington, TX 77880, USA
Hydnoid (tooth) resupinate mushroom Mycoaciella bispora on rotting wood in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019Unnamed Road, Washington, TX 77880, USA
Close up of hydnoid (tooth) resupinate mushroom Mycoaciella bispora on rotting oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019Unnamed Road, Washington, TX 77880, USA
Hydnoid mushrooms Mycoaciella bispora on a leaf under an oak log in Lick Creek Park. College Station, Texas, November 26, 201914802 Rock Prairie Rd, College Station, TX 77845, USA
Brown tooth fungus (Hydnaceae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019Lake Somerville Trailway, Somerville, TX 77879, USA
Close up of brown tooth fungus (Hydnaceae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019Lake Somerville Trailway, Somerville, TX 77879, USA
Texture of tooth fungus (Corticiae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019Lake Somerville Trailway, Somerville, TX 77879, USA
Brown tooth fungus (Hydnaceae) Mycoaciella bispora under a fallen elm or oak on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019Raccoon Run, College Station, TX 77845, USA
Close-up of a brown resupinate tooth fungus (Hydnaceae) Mycoaciella bispora under a fallen elm or oak on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019Raccoon Run, College Station, TX 77845, USA
Tooth mushroom Mycoaciella bispora on a fallen tree (can be oak or elm) in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Tooth mushroom Mycoaciella bispora on underside of a fallen tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Brown hydnoid crust mushroom Mycoaciella bispora on underside of a fallen tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Pattern of tooth fungus Mycoaciella bispora on underside of a fallen tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Close-up of tooth fungus Mycoaciella bispora on underside of a fallen tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Details of tooth fungus Mycoaciella bispora on underside of a fallen tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Close-up of teeth of hydnoid fungus Mycoaciella bispora in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Brown teeth of hydnoid fungus Mycoaciella bispora in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Tooth fungus Mycoaciella bispora growing on wood and fallen leaves under a tree in Lick Creek Park. College Station, Texas, April 3, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Hyphae (in Congo Red) of tooth fungus Mycoaciella bispora from a fallen tree, collected in Lick Creek Park. College Station, Texas, April 3, 2023
Basidia (in Congo Red) of tooth fungus Mycoaciella bispora from a fallen tree, collected in Lick Creek Park. College Station, Texas, April 3, 2023
Spores (in lugol) of tooth fungus Mycoaciella bispora from a fallen tree, collected a day before in Lick Creek Park. College Station, Texas, April 4, 2023
Spores (in toluidine blue) of tooth fungus Mycoaciella bispora from a fallen tree, collected a day before in Lick Creek Park. College Station, Texas, April 4, 2023
Spore size 4.2 - 4.55 × 2.7 - 2.9 µm, length to width ratio Q = 1.4 - 1.6.The fungus Mycoaciella bispora was observed in East and Central Texas on multiple occasions between 2018 and 2023. The majority of sightings were in Lick Creek Park, College Station, with additional observations at Kiwanis Nature Trail, Washington-on-the-Brazos State Historic Site, and Lake Somerville Trailway. The fungus was found growing on various substrates, including rotten wood, fallen trees, oak logs, and leaves. Observations included close-up views of the fungus's texture, teeth, and spores, as well as microscopic examinations of its hyphae, basidia, and spores using different staining techniques. The observations suggest that Mycoaciella bispora is a common species in the region, thriving on decaying wood and other organic matter. The records provide valuable information on the habitat, growth patterns, and morphology of this fungus species.
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