Some round structure on a leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope (in Melzer), collected in Bee Creek Park. College Station, Texas

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Sam Houston Forest - College Station, Texas, February 23 - 24, 2023

Album 3348: Sam Houston Forest - College Station, Texas, February 23 - 24, 2023

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The image shows a microscopic view of a leaf from curly dock (Rumex crispus) infected with Ramularia rubella fungus. The round structure is identified as an antheridium, which appears to be filled with dark-brown spores.

**Key Features:**

* Antheridium: A rounded structure on the underside of the leaf.
* Spores: Dark brown and clustered within the antheridium.
* Fungus: Ramularia rubella is a type of fungus that infects plants, causing lesions or spots to form on leaves.

**Background:**

The image has a light blue background with faint outlines of cells in various colors. The surrounding leaf tissue appears healthy, with no visible signs of disease or damage caused by the fungus.

**Conclusion:**

Based on the image and caption, it can be concluded that the round structure is an antheridium containing spores from the Ramularia rubella fungus. The presence of this fungus suggests that the curly dock plant is infected, which may impact its growth or health. – AI vision

🇪🇸 Descripción en español / Spanish Description

Alguna estructura redonda en una hoja de consuelda (Rumex crispus) con hongo Ramularia rubella bajo un microscopio (en Melzer), recolectada en Bee Creek Park. College Station, Texas, 24 de febrero del 2023. La imagen muestra una vista microscópica de una hoja de consuelda (Rumex crispus) infectada con hongo Ramularia rubella. La estructura redonda se identifica como un anteridio, que parece estar lleno de esporas marrón oscuro. **Características clave:** * Anteridio: Estructura redondeada en la parte inferior de la hoja. * Esporas: Marrón oscuro y agrupadas dentro del anteridio. * Hongo: Ramularia rubella es un tipo de hongo que infecta plantas, causando lesiones o manchas en las hojas. **Antecedentes:** La imagen tiene un fondo azul claro con contornos tenues de células en varios colores. El tejido circundante de la hoja parece sano, sin signos visibles de enfermedad o daño causado por el hongo. **Conclusión:** Basándonos en la imagen y la descripción, se puede concluir que la estructura redonda es un anteridio que contiene esporas del hongo Ramularia rubella. La presencia de este hongo sugiere que la planta de consuelda está infectada, lo cual podría afectar su crecimiento o salud. – Spanish translation

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