Fauna
Plant

Bonfire Moss

Funaria hygrometrica

Also known as Common Cord-moss, Cord Moss, Hygrometric Moss

Bonfire moss is a widespread pioneer bryophyte famous for colonizing nutrient-rich ash beds within months after a blaze. Its common name cord-moss refers to the slender sporophyte stalk that twists tightly when dry and uncurls abruptly in damp air, flinging mature spores into surrounding breezes. Dense populations form vibrant yellow-green velvet mats across scorched soils and damp masonry, stabilizing bare substrate before vascular vegetation returns.

PioneerFire-adaptedSpore-bearing
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyAutotrophic (photosynthetic)
Predators
  • Slugs
  • Snails
  • Mites
ThreatsNatural plant succession, dense canopy closure, soil compaction
HabitatsBurned ground, damp masonry, disturbed mineral soil, rock crevices
Life spanSeveral months to 1 year (annual to short-lived biennial)
  1. FamilyFunariaceae
  2. SpeciesFunaria hygrometrica
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Moisture Experiment: Exhale gently onto dry spore stalks with a hand lens ready to watch the twisted setae untwist instantly.
  • Habitat Spotting: Look for bright green patches in old campfire rings, ash piles, or newly paved greenhouse gravel.
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