Synonyms: Asterostromella epiphylla, Athelia centrifuga, Corticium centrifugum, Corticium epiphyllum, Fibularhizoctonia centrifuga, Fibulorhizoctonia centrifuga, Hypochnus candidus, Hypochnus centrifugus, Hypochnus epiphyllus, Rhizoctonia centrifuga, Thelephora epiphylla.
Common name: candleabra duster.
Extract from Wikipedia article: Athelia arachnoidea is a corticioid fungus in the family Atheliaceae. The species forms thin, white, cobwebby basidiocarps (fruit bodies) and typically occurs saprotrophically on leaf litter and fallen wood. It can, however, also be a facultative parasite of lichens and can additionally be a plant pathogen (typically found in its asexual Fibularhizoctonia carotae state), causing "crater rot" of stored carrots.
Athelia epiphylla is a species of fungus that grows on living leaves, particularly on trees such as oak and willow. In East and Central Texas, it has been found to occur commonly during the spring and fall months, forming white to pale yellowish patches or crusts on the upper surface of leaves. The fungus produces conidiophores and conidia, which give rise to a powdery appearance. It is typically found in shaded, humid areas with rich soil, such as along streams and rivers, and can be associated with leaf litter and decaying wood.
Observations of Athelia epiphylla in East and Central Texas reveal that the fungus typically grows on fallen trees, particularly pine and oak. It has been found on Caney Creek Trail in Sam Houston National Forest, where it appears as a white corticioid mushroom or crust fungus. The texture of the fungus is notable, and close-up observations show its distinctive features. Additionally, the fungus has been spotted at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park, where it grows on the underside of rotten oak logs and fallen oaks. The sightings occurred during winter months, from December to January, suggesting that the fungus may be more active or visible during this time. The locations and substrates suggest that Athelia epiphylla is a common species in East and Central Texas woodlands.
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