Electric ferns are rainforest plants of the genus Selaginella. There are about 700 varieties of Selaginella plants which are often referred to as spike moss or arborvitae ferns. These plants are very diverse in their size and in the ways they grow.
Selaginella plants can be found growing wild in tropical America, Asia, China, Japan, North America, Mexico, South Africa and Australia. Selaginella, depending upon the variety, may be a creeping, climbing, or trailing plant. Selanginella is a non-poisonous houseplant.