Synonyms: Coniophora olivascens, Coniophora prasina, Coniophora subochracea, Corticium chlorinum, Corticium olivascens, Corticium prasinum, Leucogyrophana olivascens, Serpula olivascens, Terana chlorina, Terana olivascens, Terana prasina.
Penttilamyces olivascens is a species of fungus that belongs to the family Chaetomiaceae. It is typically found in soil and decaying organic matter. In East and Central Texas, Penttilamyces olivascens has been isolated from various environments, including forests, grasslands, and wetlands. The fungus produces olive-green to brownish-colored colonies with a velvety texture, and its conidia are typically solitary, terminal, and globose to subglobose in shape. It is considered a rare species, but its presence has been documented in several counties across the region.
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine branch on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Close up of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine branch on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Details of orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine branch on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Fluffy corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine branch on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Wooly edge of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine branch on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a lower surface of a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Close up of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a rotting pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on rotting pine wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a fallen pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
Pattern of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) and another corticioid fungus on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, September 28, 2019
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) covering a pine branch in wet area on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, September 28, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 29, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
Close up of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
Sulphur yellow corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
Texture of yellow corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
Close up of yellow corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log at Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log in Bastrop State Park. Bastrop, Texas, November 28, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens)(?) under an oak log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) under a fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 15, 2019
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Texture of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) with another fungus on underside of a fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) under a log on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
Web-like orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) under a log on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
Water droplets on a margin of orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) under a log on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
Close-up of orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) under a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
Corticioid fungus Penttilamyces olivascens(?) on a fallen barkless pine or may be oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
Texture of corticioid fungus Penttilamyces olivascens(?) on a fallen barkless pine or may be oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
Margins of corticioid fungus Penttilamyces olivascens(?) on a fallen barkless pine or may be oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
Close-up of corticioid fungus Penttilamyces olivascens(?) on a fallen barkless pine or may be oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
Spores of olive merulioid mushroom Penttilamyces olivascens (Leucogyrophana olivascens) from a fallen pine, collected a day before on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2022
Close-up of yellow corticioid fungus Penttilamyces olivascens on underside of a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 4, 2023
Texture of yellow corticioid fungus Penttilamyces olivascens on underside of a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 4, 2023
Corticioid fungus Penttilamyces olivascens on underside of a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 4, 2023
Spores (with x40 objective) of yellow corticioid fungus Penttilamyces olivascens from underside of a fallen oak, collected a day before on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 5, 2023
Spores (with x100 objective) of yellow corticioid fungus Penttilamyces olivascens from underside of a fallen oak, collected a day before on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 5, 2023
Yellow tooth resupinate mushroom, may be Sarcodontia crocea (Noblesia crocea), together with corticioid fungus Penttilamyces olivascens on a fallen pine on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023
Close-up of yellow tooth resupinate mushroom, may be Sarcodontia crocea (Noblesia crocea), together with corticioid fungus Penttilamyces olivascens on a fallen pine on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023The observations document the presence of corticioid fungus Penttilamyces olivascens (also known as Leucogyrophana olivascens) in Sam Houston National Forest, Texas. The fungus was found on various substrates, including fallen pine and oak branches, from 2019 to 2023. Observations note the fungus's orange or yellow color, web-like appearance, and texture. Some observations include close-up images of the fungus's margins, spores, and interactions with other organisms. The data suggests that Penttilamyces olivascens is a common species in the forest, with repeated sightings over several years. The observations provide valuable information on the fungus's habitat, distribution, and characteristics, contributing to a better understanding of its ecology and role in the forest ecosystem. Overall, the observations demonstrate the persistence and diversity of fungal life in Sam Houston National Forest.
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