Crassula muscosa, also known as Crassula lycopodioides and Crassula pseudolycopodioides, is a very unique succulent that is recognizable by its small, light green leaves, densely packed around a thin stem. The leaves are arranged around the stem in a square-shaped pattern, resembling a watch-chain. It is a very diverse plant, varying in size and leaf shape and can grow up to 16 inches (40 cm) tall. The species is an excellent choice for those looking for a low-maintenance plant that can be grown both indoors and outdoors, as it is hardy and easy to care for.