Peperomia plants come in a wide range of species, each with its own distinct characteristics. Some popular types include Peperomia obtusifolia, Peperomia caperata, Peperomia argyreia (Watermelon Peperomia), Peperomia rosso, Peperomia graveolens (Ruby Glow), and Peperomia prostrata (String of Turtles), among others.