Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) together with some powdery lichen on concrete remains near the columns in Old Bailor park. Independence, Texas

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Washington - Independence, Texas, February 27, 2019

Album 2455: Washington - Independence, Texas, February 27, 2019

The image presents a close-up photograph of two distinct types of lichens growing on a concrete surface within Old Bailor Park in Independence, Texas. The primary focus is on a sunken disk lichen (Circinaria contorta) situated at the center of the image.

This lichen is characterized by its unique appearance, with a circular depression containing numerous small greenish-gray thalli. These thalli are densely packed and have rounded tips, giving them a distinctive appearance that contrasts with the surrounding powdery lichen growths. The sunken disk lichen appears to be growing in a partially constricted area on the concrete, which may indicate a lack of sufficient nutrients or moisture for optimal growth.

In contrast, the powdery lichens are scattered throughout the image and appear as small, irregularly shaped patches of pale green coloration. These lichens seem to thrive in areas with more abundant moisture and nutrient availability compared to the sunken disk lichen.

The background of the image consists primarily of the concrete surface on which the lichens are growing. The surface exhibits a rough texture, likely resulting from years of exposure to weathering elements such as rainwater, sunlight, and temperature fluctuations.

Overall, this image provides an interesting comparison between two types of lichens that coexist in close proximity but exhibit distinct differences in terms of their appearance and growth patterns. – AI vision

🇪🇸 Descripción en español / Spanish Description

El líquen escamoso esculpido (Circinaria contorta, Aspicilia contorta) junto con algo de líquen en polvo sobre los restos del hormigón cerca de las columnas en el antiguo parque Bailor. Independence, Texas, 27 de febrero de 2019. La imagen presenta una fotografía en primer plano de dos tipos distintos de líquenes que crecen en una superficie de hormigón dentro del parque Old Bailor en Independence, Texas. El foco principal es un líquen escamoso (Circinaria contorta) situado en el centro de la imagen. Este líquen se caracteriza por su apariencia única, con una depresión circular que contiene numerosos pecíolos de color gris-verdoso. Estos pecíolos están muy juntos y tienen puntas redondeadas, lo que les da un aspecto distintivo que contrasta con los crecimientos del líquen en polvo circundantes. El líquen escamoso parece estar creciendo en una zona parcialmente constreñida en el hormigón, lo que puede indicar una falta de nutrientes o humedad suficientes para un crecimiento óptimo. Por el contrario, los líquenes en polvo están dispersos por toda la imagen y aparecen como pequeños parches de coloración verde pálido con forma irregular. Estos líquenes parecen prosperar en áreas con más humedad y nutrientes disponibles en comparación con el líquen escamoso. El fondo de la imagen consiste principalmente en la superficie de hormigón sobre la que crecen los líquenes. La superficie presenta una textura rugosa, probablemente debido a años de exposición a elementos atmosféricos como agua de lluvia, luz solar y fluctuaciones de temperatura. En general, esta imagen proporciona una interesante comparación entre dos tipos de líquenes que coexisten en estrecha proximidad pero exhiben diferencias distintas en cuanto a su apariencia y patrones de crecimiento. – Spanish translation

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