Hardwood Jelly leaf
From the latest record: 2026-09-22.
Smooth, covering the exposed surfaces of the gelatinous lobes
Densely clustered, leaf- to seaweed-like, composed of thin undulating and folded lobes arising from a common base; ochre-brown, amber-brown to reddish-brown
Fertile surface continuous over the lobes
Absent; lobes arise from a common basal attachment
Spore print white
Fungicolous parasite of Stereum hirsutum; grows on dead hardwood colonized by the host fungus; parasite attacks Stereum hyphae within the wood; mainly autumn
Edible but gelatinous
Fruit body medium; ~1–5 cm tall, often several lobes fused together
Cluster ∅ ~1–7(–9) cm
Brownish, soft, rubbery and gelatinous when fresh; shrinking to a thin dark horny crust when dry
KOH negative; FeSO₄ negative on surface
Indistinct
Indistinct
Spores subglobose to broadly ellipsoid, smooth, hyaline to faintly brownish, ~6.5–10.5 × 5–9 µm; basidia tremelloid, 4-celled, ovoid to subglobose, ~13–18 × 12–16 µm;
Brown leafy jelly parasitising Stereum hirsutum on hardwood
2018). In Spirin, Malysheva, Yurkov, Miettinen & Larsson, Mycol. Progr. 17(4): 464.
Laasu tee, Raudoja, Harju, Eesti
Mixed forest woodland edge, near gravel road, on birch tree branches diseased by Stereum hirsutum
59°23'16.2"N 25°23'30.6"E
🌡️ 14°C ⛅ Passing clouds 💨 Wind 30° NNE->SSW, 17 km/h
Original Instagram post#phaeotremellafrondosa #mushroomphotos #fungimacro #jellyleaf #naturephotography
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