Giant salvinia (Salvinia molesta) together with duckweed in shallow water of a lake extension on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas

🎞️ #3183-03

The photograph depicts an aerial view of a body of water that is mostly covered with two different types of plants: giant salvinia and duckweed.

Giant salvinia (Salvinia molesta) is a free-floating aquatic fern native to South America. However, it has been introduced globally as an invasive species due to its rapid growth rate and ability to outcompete native vegetation for light and nutrients.

The other green plant visible in the image is duckweed (Lemna minor), which grows on or just below the surface of water bodies. It is a small floating plant with round, flat leaves that resemble miniature lily pads. Duckweed is also an aquatic plant species but does not grow as aggressively as giant salvinia.

Both plants are light green and have similar textures to one another. Giant salvinia has larger fronds compared to duckweed, which contributes to its name. The dark brown or black water beneath the floating vegetation suggests that it is likely a lake or river.

The image captures an aerial view of the floating vegetation as if taken from directly above the surface of the water. – AI vision

🇪🇸 Descripción en español / Spanish Description

La salvinia gigante (Salvinia molesta) junto con la lenteja de agua en el agua poco profunda de una extensión del lago en la sección Stubblefield del sendero Lone Star, al norte del punto de partida número 6 en el bosque nacional Sam Houston. Texas, 26 de junio de 2022. La fotografía representa una vista aérea de un cuerpo de agua que está principalmente cubierto con dos tipos diferentes de plantas: salvinia gigante y lenteja de agua. La salvinia gigante (Salvinia molesta) es una helecha acuática flotante nativa de Sudamérica. Sin embargo, se ha introducido a nivel mundial como especie invasora debido a su rápida tasa de crecimiento y capacidad para competir con la vegetación autóctona por luz y nutrientes. La otra planta verde visible en la imagen es la lenteja de agua (Lemna minor), que crece en o justo debajo de la superficie de las masas de agua. Es una pequeña planta flotante con hojas redondas y planas que recuerdan a nenúfares en miniatura. La lenteja de agua también es una especie de planta acuática, pero no crece tan agresivamente como la salvinia gigante. Ambas plantas son de color verde claro y tienen texturas similares entre sí. La salvinia gigante tiene frondes más grandes en comparación con la lenteja de agua, lo que contribuye a su nombre. El agua marrón oscuro u oscura debajo de la vegetación flotante sugiere que es probablemente un lago o río. La imagen capta una vista aérea de la vegetación flotante como si se tomara directamente por encima de la superficie del agua. – Spanish translation

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