Masses of Hypoxylon fungus on a dry elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas

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Sam Houston Forest, Texas, December 31, 2021

Album 3094: Sam Houston Forest, Texas, December 31, 2021

The provided photo depicts a close-up view of a dead elm tree trunk with masses of Hypoxylon fungus growing on its surface. The fungus appears as dark, irregularly shaped spots of varying sizes, some of which have fused together to form larger patches.

In terms of coloration, the fungus is black and contrasts sharply against the light grayish-green lichen that covers much of the tree's bark. The lichen has a patchy appearance with lighter green areas where it appears to be growing in more abundance.

The overall condition of the tree suggests it may have died from Dutch elm disease or another cause, given its dryness and lack of foliage. The presence of Hypoxylon fungus on dead trees is not uncommon; however, the exact purpose of this image is unclear without more context. – AI vision

🇪🇸 Descripción en español / Spanish Description

Las masas de hongos Hypoxylon en un olmo seco en el Caney Creek Trail (Little Lake Creek Loop Trail) en la Sam Houston National Forest al norte de Montgomery, Texas, el 31 de diciembre de 2021. La foto proporcionada representa una vista cercana del tronco de un olmo muerto con masas de hongos Hypoxylon creciendo en su superficie. El hongo aparece como manchas oscuras, irregularmente conformadas de tamaño variable, algunas de las cuales se han fusionado para formar parches más grandes. En cuanto a la coloración, el hongo es negro y contrasta fuertemente con el líquen grisáceo claro que cubre gran parte de la corteza del árbol. El líquen tiene un aspecto desigual con áreas verdes más claras donde parece crecer en mayor abundancia. El estado general del árbol sugiere que puede haber muerto por la enfermedad del olmo holandés u otra causa, dada su sequedad y falta de follaje. La presencia de hongos Hypoxylon en árboles muertos no es infrecuente; sin embargo, el propósito exacto de esta imagen no está claro sin más contexto. – Spanish translation

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