Powdery medallion lichen (Dirinaria applanata), to the left, and other foliose lichen on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas

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Bryan, Texas, January 27, 2019

Album 2438: Bryan, Texas, January 27, 2019

The image features a close-up view of various foliose lichens growing on lower branches of old acacia (huisache) trees between Signature Park 11 apartments and Oil Well near Park Hudson Trail in Bryan, Texas. The lichen in the foreground is identified as powdery medallion lichen (Dirinaria applanata), characterized by its distinctive appearance.

The lichen's body is grayish-green or pale brownish-gray, with a smooth to finely scaly surface and a powdery texture. It has a rounded, flat growth habit and typically forms circular patches that are 3-10 mm in diameter. The medallion-like shape gives the lichen its common name.

Powdery medallion lichen is commonly found on rocks, soil, trees, and other surfaces where it can tolerate high levels of pollution.

The image showcases the diversity of lichens growing on a single tree, highlighting their unique characteristics and habitats. – AI vision

🇪🇸 Descripción en español / Spanish Description

El líquen medallón pulverulento (Dirinaria applanata) a la izquierda y otros líquenes foliosos en las ramas inferiores de acacias viejas (huisache) entre Signature Park 11 apartments y Oil Well cerca del camino Park Hudson. Bryan, Texas, 27 de enero de 2019. La imagen muestra una vista cercana de diversos líquenes foliosos que crecen en ramas inferiores de acacias viejas entre Signature Park 11 apartments y Oil Well cerca del camino Park Hudson en Bryan, Texas. El líquen del primer plano se identifica como un líquen medallón pulverulento (Dirinaria applanata), caracterizado por su apariencia distintiva. Su cuerpo es de color verde grisáceo o marrón pálido gris, con una superficie lisa a finamente escamosa y un textura pulverulenta. Tiene un hábitat de crecimiento redondeado y plano y típicamente forma parches circulares de 3-10 mm de diámetro. La forma similar a un medallón le da al líquen su nombre común. El líquen medallón pulverulento se encuentra comúnmente en rocas, suelo, árboles y otras superficies donde puede tolerar altos niveles de contaminación. La imagen muestra la diversidad de líquenes que crecen en un solo árbol, destacando sus características únicas y hábitats. – Spanish translation

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