Gyromitra tasmanica is a distinctive Australasian false morel with a deeply lobed, brain‑like cap and a robust, chambered stipe, known from Tasmania, southeastern Australia and New Zealand.

Apothecium: 40-120 mm across; irregularly folded, cerebriform to saddle‑lobed; surface smooth to slightly wrinkled; colour dark reddish‑brown to chestnut, sometimes paler on exposed ridges.
Hymenium: covers the entire convoluted upper surface; dull to slightly glossy when fresh.
Stipe:30-80 mm tall, 15-40 mm thick; whitish to pale tan, often flushed brownish near the apex; chambered or cavernous internally; surface smooth or faintly ribbed.
Context: pale cream; waxy‑brittle; chambers irregular.
Odour/taste: faint, not distinctive.