Interrupted Clubmoss (Spinulum Annotinum) is a perennial fern in the Lycopodiaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 3-7. This plant is safe for cats and dogs.

Spinulum annotinum is a perennial clubmoss species native to colder forests, characterized by its stiff, prickly texture and interrupted leaf arrangement.