Plant
Hart's-tongue Fern
Asplenium scolopendriumAlso known as Hart's Tongue Fern
Hart's-tongue fern forms an evergreen rosette of glossy, undivided strap-shaped fronds. On fertile leaves, paired diagonal rows of sori create a pattern beneath the blade resembling the legs of a centipede.
Evergreen FernStrap FrondsShaded Limestone
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & preyPhotosynthetic; fibrous roots absorb moisture and minerals from cool humus or rock crevices
Predators
- Slugs
- Snails
- Browsing mammals
ThreatsQuarrying, collecting, woodland drying, trampling, and removal from stone structures
HabitatsShaded limestone, ravines, old walls, moist woodland, caves, wells, and canal banks
Life spanLong-lived evergreen perennial that can persist for many years
Classification
- FamilyAspleniaceae
- SpeciesAsplenium scolopendrium
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Leave fronds, roots, rock crevices, and surrounding moss completely undisturbed.
Responsible observation
- Frond: Confirm a single undivided glossy blade with a heart-shaped base.
- Sori: View paired diagonal lines beneath mature fronds without lifting them.
- Footing: Keep off damp rock ledges supporting fern colonies.
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