English: Spiky Bog-moss.
Habitat: in swampy ground, moderately to well-enriched with nutrients, wet woodland, amongst sedges, rushes, purple moor-grass (Molinia), on stream banks, in ditches, in flushes on moorland; occasionally at high altitude in wet, rocky corries.
Moss; robust, bright green, spiky-looking plants.
Stems: branch leaves, wide in the basal half, abruptly contracted to a pointed, tapering, tubular tip, which is distinctly curved away from the branch; terminal bud is large and conical, immersed or slightly projecting above the rest of the capitulum.
Leaves: stem leaves are large, rectangular, broad across the tip, weak, floppy.