Fern moss may refer to several varieties of moss that produce feathery fronds and can form a moss carpet across grass or bare patches of ground:
- Fissidens bryoides – lesser fern moss
- Hylocomium splendens or Hylocomium proliferum – mountain fern moss
- Thuidium species including:
- Thuidium abietinum – wiry fern moss
- Thuidium delicatulum – common fern moss
- Thuidium recognitum – hook-leaf fern moss
Possibly also:
- Drepanocladus species including: