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The lichen pigment parietin gives this species a deep yellow or orange-red color. [6] Xanthoria parietina prefers growing on bark and wood; it is found more rarely on rock. [5] Nutrient enrichment by bird droppings enhances the ability of X. parietina to grow on rock. [7]
The species is saprotrophic and grows on dead coniferous wood. The basidiocarps are gelatinous, bright orange, and extremely variable in shape, but typically stoutly stipitate with a spoon- or cup-shaped, spore-bearing head.
Wood decay caused by Serpula lacrymans (called true dry rot, a type of brown-rot). Fomes fomentarius is a stem decay plant pathogen Dry rot and water damage. A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot.
Dry rot begins as a microscopic spore which, in high enough concentrations, can resemble a fine orange dust. If the spores are subjected to sufficient moisture, they will germinate and begin to grow fine white strands known as hyphae. As the hyphae grow they will eventually form a large mass known as mycelium.
A saprobic species, it is typically found growing on the ground singly or in small groups on woody debris or leaf litter, during summer and autumn in Japan, Europe, and eastern North America. Due to their repellent odor, mature specimens are not generally considered edible , although there are reports of the immature "eggs" being consumed.
The cap is 1.5–15 centimetres (1 ⁄ 2 –6 in) wide, loosely fan-shaped, brown with a yellow-orange margin during growth, velvety then smooth, and leathery with a mild odor and taste. [1] The gills are adnate and close, light when fresh and darker both near the wood and in age. [2] The spores are white, cylindrical, and smooth. [1]
Trametes versicolor growing on a rotting log. Bracket fungi often grow in semi-circular shapes, looking like trees or wood. They can be parasitic, saprotrophic, or both. One of the more common genera, Ganoderma, can grow large thick shelves that may contribute to the death of the tree, and then feed off the wood for years after. Their hardiness ...
Lignicolous community with Athallia pyracea (orange). A lignocolous lichen is a lichen that grows on wood that has the bark stripped from it. [1] This contrasts with a corticolous lichen that grows on the bark, [2] and saxicolous lichens that grow on rock. [3]