Synonyms: Clavaria tuberculosa, Corticium cristatum, Corticium incrustans, Corticium sebaceum, Irpex hypogaeus, Irpex hypogeus, Merisma cristatum, Sebacina cristata, Sebacina laciniata, Sebacina sebacea, Soppittiella cristata, Soppittiella sebacea, Thelephora cristata, Thelephora fimbriata, Thelephora incrustans, Thelephora sebacea, Xylodon hypogaeus.
Common name: enveloping crust.
Sebacina incrustans is a crust-like fungus that grows on soil, decaying wood, and other organic matter. In East and Central Texas, it has been found in wooded areas, particularly under hardwood trees such as oak and beech, where it forms effused, waxy, or crust-like patches on the substrate. The fungus typically appears as a creamy white to pale yellowish mass with a smooth to wrinkled surface, and its fruiting body is usually resupinate, meaning it grows flat against the surface of the host material.
Wine glass fungus (Podoscypha petalodes) and encrusting fungus Sebacina incrustans on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Encrusting fungus Sebacina incrustans in a frequently flooded area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Encrusting fungus Sebacina incrustans on a slope of the almost dry creek half a meter above its bottom near Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Encrusting fungus Sebacina incrustans in a frequently flooded area on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019Lone Star Hiking Trail, Montgomery, TX 77356, USA
Encrusting fungus Sebacina incrustans on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019Lone Star Hiking Trail, Montgomery County, Texas, United States
Encrusting fungus Sebacina incrustans on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Enveloping crust fungus (Sebacina incrustans) on moss near a sandy trail in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020Lone Star Hiking Trail, Coldspring, TX 77331, USA
Close-up of enveloping crust fungus (Sebacina incrustans) on moss near a sandy trail in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020Lone Star Hiking Trail, Coldspring, TX 77331, USA
White texture of enveloping crust fungus (Sebacina incrustans) on moss near a sandy trail in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020Lone Star Hiking Trail, Coldspring, TX 77331, USA
Details of enveloping crust fungus (Sebacina incrustans) on moss near a sandy trail in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020Lone Star Hiking Trail, Coldspring, TX 77331, USA
Enveloping crust fungus (Sebacina incrustans) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 10, 2022Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States
Side view of fungus Sebacina incrustans on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 10, 2022Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States
Spores of fungus Sebacina incrustans from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 10, 2022
Enveloping crust mushrooms (Sebacina incrustans) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Mushrooms Sebacina incrustans and brittlegill (Russula) in wet area when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Mushrooms Sebacina incrustans in wet area when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United StatesObservations of Sebacina incrustans were made in various locations throughout East and Central Texas, including the Sam Houston National Forest near Huntsville, Richards, and Montgomery. The fungus was found in frequently flooded areas, on slopes, and near creeks, often growing on moss or other vegetation. It was observed on multiple trails, including Caney Creek Trail, Lone Star Hiking Trail, and Sand Branch Loop Trail. The fungus was seen in different lighting conditions, including regular daylight and under ultraviolet (UV-A) blacklight, which revealed its white texture. Multiple sightings were made over several years, from 2018 to 2024, suggesting that Sebacina incrustans is a common species in the region. Its presence was also noted alongside other fungi, such as Wine Glass fungus and Brittlegill mushrooms.
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