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Giant salvinia

Giant salvinia, Salvinia molesta. A serious exotic, invasive pest species now widespread throughout the warmer regions of the US. It is a rootless, floating fern that can block sunlight and reduce dissolved oxygen levels. What appears as roots are really modified leaves.Listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit. Photo Caddo Lake, TX.
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Title: Giant salvinia
Caption: Giant salvinia, Salvinia molesta. A serious exotic, invasive pest species now widespread throughout the warmer regions of the US. It is a rootless, floating fern that can block sunlight and reduce dissolved oxygen levels. What appears as roots are really modified leaves.Listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit. Photo Caddo Lake, TX.
Category: nature • Plants & Trees • Ecology & Environment
Credit: Album / Science Source / Nature's Images, Inc.
Releases: ? Model Release: No - ? Property Release: No
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Image size: 4431 × 2966 px | 37.6 MB
Print size: 37.5 × 25.1 cm | 1744.5 × 1167.7 in (300 dpi)
Keywords: AGGRESSIVE PLANT • ALIEN PLANT • AQUATIC PLANT • ECOLOGY & ENVIRONMENT • EXOTIC SPECIES • GIANT SALVINIA • HABITAT DESTRUCTION • ILLEGAL TO IMPORT • INTRODUCED SPECIES • INVASIVE • NATURE • NOXIOUS WEED • PEST PLANT • PFLOATING FERN • PLANT • PLANTS & TREES • SALVINIA MOLESTA • SALVINIA • WATER FERN • WATER PLANT • WEED