Synonym: Peckiella camphorati.
Hypomyces camphorati is a parasitic fungus that infects Russula and Lactarius species. In East and Central Texas, it has been found to commonly infect the mushrooms Russula bicolor and Lactarius subsericatus, often causing a distinctive orange to yellowish-orange discoloration. The fungus grows on the surface of its hosts, forming a dense, felty or woolly mycelium that can completely cover the cap and stem. Fruiting bodies are perithecial, embedded in the host tissue, and produce ascospores that are hyaline, unicellular, and ellipsoidal to fusoid in shape. Hypomyces camphorati is typically found in wooded areas, particularly under deciduous trees such as oak and beech, during the summer and early fall months.
Candy cap mushroom (milkcap Lactarius camphoratus(?)) and a milkcap with a parasitic fungus Peckiella camphorati (Hypomyces camphorati) in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
Sam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Milkcap mushroom Lactarius camphoratus(?) infected by a parasitic fungus Peckiella camphorati (Hypomyces camphorati) in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018Sam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USAObservations of Hypomyces camphorati in East and Central Texas reveal its presence as a parasitic fungus infecting milkcap mushrooms. Specifically, Lactarius camphoratus was found to be infected by Peckiella camphorati (Hypomyces camphorati) in Little Thicket Nature Sanctuary, Cleveland, Texas, on November 3, 2018. The fungus was observed on two separate occasions, once on a candy cap mushroom and again on another milkcap mushroom. In both cases, the fungus had infected the host mushroom, highlighting its parasitic nature. These observations suggest that Hypomyces camphorati is present in the region and actively infecting milkcap species, potentially altering the local mycological ecosystem. The fungus's presence was documented in a specific nature sanctuary, providing valuable information on its distribution and behavior in East and Central Texas.
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