Tropica 1-2 Grow Riccia Fluitans
Tropica 1-2 Grow Ranunculus Inundatus Japanese Takashi Amano has inspired many aquarium owners to keep the 1-5 cm tall cosmopolitic liverwort, Riccia fluitans, submerged. It can be kept down by tying it to a stone with a piece of fishing line, but new shoots always grow towards the surface, so...