Giant Salvinia overtaking lake area. I have included a picture taken earlier in spring 2013 as a comparison.
Cool papillate leaves
Floating water plant with neat papillate leaves. Common on the lake.
Salvinia molesta, commonly known as giant salvinia or kariba weed after it infested a large portion of the reservoir of the same name, is an aquatic fern, native to south-eastern Brazil. It is a free floating plant that does not attach to the soil, but instead remains buoyant on the surface of a body of water. The fronds are 0.5–4 cm long and broad, with a bristly surface caused by the hair-like strands that join at the...