Sometimes people are put off keeping houseplants because they are worried they may be poisonous to pets. Of course, they can be placed out of reach, but if your cat or dog has a habit of taking a tasty bite, then these plants are safe:
Aspidistra (Cast Iron Plant)
Areca Palm
Calthea
Chlorophytum (Spider Plant)
Bromeliad
Kentia Palm
Nephrolepis (Boston Fern)
Maranta (Prayer Plant)
Parlour Palm
Peperomia
Phalaenopsis (Moth Orchid)