(Hylocomium splendens), plant of the order Bryales that covers areas of coniferous forest floor of the Northern Hemisphere and also occurs on dunes, ledges, and tundra. The fernlike shoots have many branches and reddish, glossy caulids (stems) with phyllids (leaves) up to 3 mm (0.12 inch) long. The capsules (spore cases) of the female plant are borne on setae (stalks) about 2 cm (0.8 inch) long.
STAIR-STEP MOSS
Meaning of STAIR-STEP MOSS in English
Britannica English vocabulary. Английский словарь Британика. 2012