In the woods beside Oyster Bay, the forest floor is mostly made up of decayed wood, with old logs on top, gradually crumbling into the soil beneath. It's all covered with mosses and lichens. And after the fall rains, mushrooms.
Lichenomphalia umbellifera: lichens, mosses, mushrooms, on old log. |
These mushrooms with the "navel" in the centre (whence they got the name "omphalia") and the pie-crust edge are scattered throughout the shady parts of the forest this week. They grow only in association with a lichen, Botrydina vulgaris; the dark green, crumbly-looking growth at their feet in this photo. The mushroom depends on the lichen for its nutrients, and both together grow on decaying wood.
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En el bosque al lado de Oyster Bay, el suelo está compuesto, por la mayor parte, de madera podrida, y cubierto de troncos caídos, lentamente volviéndose parte del suelo. Y todo cubierto de musgos y de líquenes. Ahora, después de las lluvias de otoño, hay hongos.
Estos honguitos blanquiscos con el "ombligo" en el centro (de donde sacan su nombre científico de "-omphalia") y el borde ondeado se ven esta semana en todos los sitios sombreados del bosque. Crecen únicamente en conjunto con el liquen Botydina vulgaris, que en la foto aparece al pie de los hongos: bolitas muy pequeñas de un verde oscuro. El hongo vive en simbiosis con este liquen, y depende de él por sus sustancias nutritivas. Los dos juntos crecen sobre madera descompuesta.
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