Yellow-green Rock Moss (Racomitrium Heterostichum) is a perennial moss in the Grimmiaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade or dappled_shade light in USDA hardiness zones 3-8. This plant is safe for cats and dogs. It can be grown indoors.

Racomitrium heterostichum is a moss species characterized by its blackish or dark green coloration with long, whitish hairpoints on both older and younger leaves.