These plants are the smallest flowering plants in the world, it would require a microscope to see the flowers! They can completely cover a pond. Ducks like to eat Duckweed.
Spiderwort Family I found these pretty blue flowers blooming along the shore of Norris Lake at Big Ridge State Park. Note the difference between this flower and the previous flower, this one has the third blue petal. I found these blooming at 1:15 p.m., they soon wilted. Perennial Where seen: Big Ridge SP, Great Smoky Mountains NP
Close-up of Viper's Bugloss flowers
