Trichoderma gelatinosum is a species of fungus in the family Hypocreaceae, characterized by its greenish-blue to blue-green conidial masses and gelatinous appearance. In East and Central Texas, it has been found on decaying wood, particularly oak and pine, as well as on soil and plant debris. It is commonly isolated from moist environments, such as near streams and lakes, and has been identified in various counties, including Brazos, Grimes, and Houston.
Droplets of a young fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on oak wood in Hensel Park. College Station, Texas, December 22, 2017
Hensel Park Picnic Shelter, College Avenue, Bryan, Brazos County, Texas, 77801, United States
Trichoderma gelatinosum mushrooms on rotten oak in Hensel Park. College Station, Texas, February 28, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Gelatinous droplets of a fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on a fallen oak in Hensel Park. College Station, Texas, February 28, 2018College Avenue, Bryan, Brazos County, Texas, 77801, United States
Small mushrooms Trichoderma gelatinosum group and Trichoderma viride on a fallen tree branch in Lick Creek Park. College Station, Texas, October 3, 2018Raccoon Run, College Station, TX 77845, USA
Gelatinous droplets of a fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on a fallen oak in Hensel Park. College Station, Texas, June 3, 2021100 Fleetwood St, Bryan, TX 77801, USA
Droplets of a fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on a fallen oak in Hensel Park. College Station, Texas, June 3, 2021100 Fleetwood St, Bryan, TX 77801, USA
Fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on a barkless log in Hensel Park. College Station, Texas, June 3, 2021100 Fleetwood St, Bryan, TX 77801, USA
Close-up of fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on a barkless log in Hensel Park. College Station, Texas, June 3, 2021100 Fleetwood St, Bryan, TX 77801, USA
Fungus Trichoderma gelatinosum (Hypocrea gelatinosa) on oak(?) wood in Hensel Park. College Station, Texas, June 3, 2021100 Fleetwood St, Bryan, TX 77801, USATrichoderma gelatinosum was observed on oak wood in Hensel Park, College Station, Texas, on multiple occasions between December 2017 and June 2021. The fungus appeared as gelatinous droplets or small mushrooms on rotten or fallen oak trees. Observations were made in various seasons, including winter (February 2018), summer (June 2021), and fall (October 2018). The fungus was also found on a barkless log and a fallen tree branch in Lick Creek Park. In some cases, Trichoderma gelatinosum was found alongside other fungi, such as Trichoderma viride. The repeated sightings suggest that Trichoderma gelatinosum is a common species in the area, particularly on decaying oak wood. Its appearance varied from droplets to small mushrooms, indicating different stages of growth or development.
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