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Dark red spots of Deutero fungus...in Sam Houston National Forest. Texas  
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Dark red spots of Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020

Location on mapsLittle Lake Creek Loop Trail, Montgomery, TX 77356, USA
#2704-03 Thumbnail 2704-03: Dark red spots of Deutero fungus...National Forest. Texas Show full size picture

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Similar   Thumbnail of picture 2704-02: Circular dark purplish red spots with centers fading with age caused ... Sam Houston National Forest. Texas, May 10, 2020 Thumbnail of picture 2704-01: Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on ... Sam Houston National Forest. Texas, May 10, 2020 Thumbnail of picture 3184-22: Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on ... Sam Houston National Forest. Texas, June 29, 2022 Thumbnail of picture 3781-19: Leaves of Common Greenbrier (Smilax rotundifolia) mottled  leopard ... Houston National Forest. Texas, November 15, 2025 Thumbnail of picture 3116-01: Greenbrier leaves with rust fungus Puccinia smilacis, collected on ... Sam Houston National Forest. Texas, March 9, 2022
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Deutero fungus, specifically Neocercosporidium smilacis and Cercospora smilacis, have caused dark red spots to appear on the leaves of common greenbrier (Smilax rotundifolia) growing along Richards Loop Trail in Sam Houston National Forest, Texas. This was observed on May 10, 2020. – generated by AI

The image depicts a close-up view of leaves from a common greenbrier plant, showcasing dark red spots caused by a fungal infection.

* **Leaves:**
* The leaves are predominantly green with rounded tips and pointed bases.
* They have serrated edges and are arranged alternately along the stem.
* The leaves appear to be healthy in some areas but show signs of damage or disease in others, particularly around the veins.
* **Fungal Infection:**
* Small, circular spots with dark red centers can be seen on many of the leaves.
* These spots are likely caused by a fungal infection such as Deutero fungus (Neocercosporidium smilacis or Cercospora smilacis).
* **Background:**
* The background is filled with the stems and leaves of other greenbrier plants.
* The overall appearance suggests that the plant is growing in a natural environment, possibly in a forest or woodland area.

In summary, the image shows a common greenbrier plant with leaves affected by a fungal infection. The dark red spots on the leaves are likely caused by Deutero fungus (Neocercosporidium smilacis or Cercospora smilacis), and the surrounding environment appears to be a natural setting, possibly in a forest or woodland area. – AI vision

Muestran manchas rojas oscuras de hongos Deutero (Neocercosporidium smilacis, Cercospora smilacis) en las hojas del enredadera común (Smilax rotundifolia) en el Richards Loop Trail en la selva nacional Sam Houston. Texas, 10 de mayo de 2020. La imagen muestra una vista en primer plano de hojas de una planta de enredadera común, mostrando manchas rojas oscuras provocadas por una infección fúngica. * **Hojas:** * Las hojas son predominantemente verdes con puntas redondeadas y bases puntiagudas. * Tienen bordes serrados y están dispuestas de manera alterna a lo largo del tallo. * Las hojas parecen ser saludables en algunas áreas, pero muestran signos de daño o enfermedad en otras, particularmente alrededor de las venas. * **Infección fúngica:** * Pueden observarse pequeñas manchas circulares con centros rojos oscuros en muchas hojas. * Estas manchas probablemente sean provocadas por una infección fúngica como el hongo Deutero (Neocercosporidium smilacis o Cercospora smilacis). * **Fondo:** * El fondo está lleno de tallos y hojas de otras plantas de enredaderas. * El aspecto general sugiere que la planta está creciendo en un entorno natural, posiblemente en un bosque o área boscosa. En resumen, la imagen muestra una enredadera común con hojas afectadas por una infección fúngica. Las manchas rojas oscuras en las hojas probablemente sean provocadas por el hongo Deutero (Neocercosporidium smilacis o Cercospora smilacis), y el entorno circundante parece ser un entorno natural, posiblemente en un bosque o área boscosa. – Spanish translation



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