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Leaves of bull thistle (Cirsium horridulum) in...State Historic Site. Washington, Texas  
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Leaves of bull thistle (Cirsium horridulum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022

Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
#3109-11
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Thumbnail 3109-11: Leaves of bull thistle (Cirsium...Site. Washington, Texas Show full size picture

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Similar   Thumbnail of picture 3109-12: Rosette of leaves of bull thistle (Cirsium horridulum) in area of a ... Site. Washington, Texas, February 20, 2022 Thumbnail of picture 3108-24: Basal leaves of bull thistle(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022 Thumbnail of picture 3109-09: Leaves of sow thistle (Sonchus oleraceus) in area of a former pond in ... Site. Washington, Texas, February 20, 2022 Thumbnail of picture 3109-10: Rosette of leaves of sow thistle (Sonchus oleraceus) in area of a ... Site. Washington, Texas, February 20, 2022 Thumbnail of picture 2742-12: Batterfly on a thistle flower (Cirsium) in a dried pond in Washington ... Historic Site. Washington, Texas, July 25, 2020
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The leaves of the bull thistle (Cirsium horridulum) that once graced the area of a former pond in Washington-on-the-Brazos State Historic Site in Washington, Texas, are now visible in all their glory. The photograph was taken on February 20, 2022, capturing the delicate beauty of these leaves as they sway gently in the breeze. – generated by AI

The image shows the leaves of a plant with serrated edges and spines or thorns emerging from its leaf margins. The leaves appear to be green and are densely packed together in an area that was once filled with water.

From the caption, it appears this is an invasive species known as bull thistle (Cirsium horridulum). It is a native of eastern Texas but has been introduced elsewhere as a noxious weed.

The image shows what looks to be a dense mat of vegetation growing in a spot where a pond once existed. The leaves are green and appear to have serrated edges, and there are spines or thorns emerging from the leaf margins. This is consistent with the description of bull thistle in literature. – AI vision

Hojas de cardo tormentoso (Cirsium horridulum) en el área de un antiguo estanque en el sitio histórico estatal de Washington-on-the-Brazos. Washington, Texas, 20 de febrero de 2022. La imagen muestra las hojas de una planta con bordes serrados y espinas o espolones emergiendo de los márgenes de la hoja. Las hojas parecen ser verdes y están densamente compactadas en un área que alguna vez estuvo llena de agua. Según el texto, parece tratarse de una especie invasora conocida como cardo tormentoso (Cirsium horridulum). Es nativo del este de Texas, pero se ha introducido en otras partes como maleza nociva. La imagen muestra lo que parece ser una densa capa de vegetación creciendo en un lugar donde antes existía un estanque. Las hojas son verdes y tienen bordes serrados, y hay espinas o espolones emergiendo de los márgenes de la hoja. Esto es consistente con la descripción del cardo tormentoso en la literatura. – Spanish translation


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