Fauna
Plant

Giant Tree Fern

Cyathea microdonta

Also known as Small-Toothed Tree Fern

Giant tree ferns unfurl massive, finely divided fronds that construct a dense green canopy in damp tropical understories. Their fibrous trunks serve as vibrant microhabitats, anchoring orchids, mosses, and smaller epiphytic ferns high above the forest floor. Thousands of dust-like spores disperse from the undersides of mature leaves to colonize humid stream banks and shady forest gaps.

TropicalUnderstorySpores
Giant Tree Fern reference1 / 3
(c) Alex Popovkin, Bahia, Brazil from Brazil, some rights reserved (CC BY) · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyAutotrophic (sunlight, water, and soil nutrients)
Predators
  • Herbivorous caterpillars
  • Slugs
  • Snails
ThreatsDeforestation, agricultural land clearing, and canopy loss
HabitatsWet tropical rainforests, cloud forest edges, and shaded stream banks
Life span30–70 years
Classification
  1. FamilyCyatheaceae
  2. SpeciesCyathea microdonta
Range & activity
Range data is not available yet.
Safe observation
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
  • Examine Frond Undersides: Look for round clusters of spores called sori arranged along the pinnae.
  • Inspect the Trunk: Search the fibrous stem for delicate mosses and perching orchids.
  • Observe Leaf Unfurling: Watch for tightly coiled young fronds known as fiddleheads in early growth cycles.
Related species
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