Your search found 7 image(s) of Salvinia species.
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Water Spangles, Floating Fern
Salvinia minima
Look for it in quiet waters
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Hairs of upper leaf surface w 4 free, spreading branches [not joined at tips], per Weakley's Flora.
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Leaves entire, about 1cm in diameter, round or oval with a cordate base, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
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Half the size of Giant Salvinias (S. molesta, biloba, herzogii, auriculata), per New Invaders of the Southeast.
Giant Salvinia, Kariba Weed
Salvinia molesta
Look for it in still waters of farm ponds, calcareous seepage ponds, and other situations
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Dense, rapidly growing surface mats block sun to bottom plants and animals, per Invasive Plants, Guide to Identification, Impacts and Control.
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Hairs on the leaf surface are shaped like egg beaters, per Invasive Plants, Guide to Identification, Impacts and Control.
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Shade-grown leaves lie flat; sunlight and crowding cause crumpling, per Invasive Plants, Guide to Identification, Impacts and Control.