Spores (in KOH) of lion shield mushrooms (Pluteus leoninus) from a fallen oak (spore print pink, gills turn brown after drying), collected in Little Thicket Nature Sanctuary. Cleveland, Texas

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Little Thicket Nature Sanctuary, Texas, March 23, 2024

Album 3497: Little Thicket Nature Sanctuary, Texas, March 23, 2024

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The image shows spores of lion shield mushrooms from a fallen oak at the Little Thicket Nature Sanctuary in Cleveland, Texas. The lion shield mushroom is identified by its pinkish gills and brown cap that turns dark brown when dry. When viewed under a microscope after being dissolved in potassium hydroxide (KOH), the spores appear yellow with thick walls.

The image features many spore clusters containing 2-5 spores each, which are approximately 4 micrometers (μm) across and elliptical in shape. The KOH solution has removed some of the outer spore wall and cell membrane, leaving behind a thin layer that has been stained with iodine to enhance contrast.

The background is out of focus, but it appears to be a light-colored surface, possibly white or gray, which contrasts with the yellow coloration of the spores. Overall, the image provides a detailed view of the microscopic structure of lion shield mushroom spores and their unique characteristics under KOH solution. – AI vision

🇪🇸 Descripción en español / Spanish Description

Las esporas (en KOH) de hongos escudos de león (Pluteus leoninus) de un roble caído (impresión de esporas rosa, las láminas se vuelven marrones después de secarse), recogidas en el santuario de la naturaleza del Little Thicket. Cleveland, Texas, 23 de marzo de 2024. La imagen muestra esporas de hongos escudos de león de un roble caído en el Little Thicket Nature Sanctuary en Cleveland, Texas. El hongo escudo de león se identifica por sus láminas rosadas y su sombrero marrón que se vuelve marrón oscuro cuando está seco. Cuando se observa bajo un microscopio después de disolverse en hidróxido de potasio (KOH), las esporas parecen amarillas con paredes gruesas. La imagen muestra muchos racimos de esporas que contienen 2-5 esporas cada uno, que miden aproximadamente 4 micrómetros (μm) y tienen forma elíptica. La solución de KOH ha eliminado parte de la pared externa de las esporas y la membrana celular, dejando una capa delgada que se ha teñido con yodo para mejorar el contraste. El fondo está desenfocado, pero parece ser una superficie de color claro, posiblemente blanca o gris, que contrasta con la coloración amarilla de las esporas. En general, la imagen proporciona una vista detallada de la estructura microscópica de las esporas del hongo escudo de león y sus características únicas bajo solución de KOH. – Spanish translation

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