Mycena aurantiomarginata

Ciri dan struktur

The cap of M. aurantiomarginata ranges in shape from obtusely conic to bell-shaped, and becomes flat in maturity, reaching diameters of 0.8 – 2.0 cm. The cap color is variable, ranging from dark olive fuscous (dark brownish-gray) to yellowish-olive in the center, while the margin is orangish. Alexander H. Smith, in his 1947 monograph of North American Mycena species, stated that the caps are not hygrophanous (changing color depending on the level of hydration), while Mycena specialist Arne Aronsen says they are. The overall color fades as the mushroom ages. The surface is moist, and young individuals are covered with fine whitish powder, but this soon sloughs off to leave a polished surface that develops radial grooves in maturity. The flesh is thin (about 1 mm thick in the center of the cap) and flexible. Gills are adnate with a decurrent tooth (where the gills curve up to join the stipe but then, close to the stipe, the margin turns down again), and initially narrow but broaden when old. They are pallid to grayish-olive with bright orange edges. Smith noted that the edge color may spread to the gill faces in some specimens, because the pigment, rather than being encrusted on the walls of the cystidia, is found in the cytosol and therefore more readily diffusible. The gills are spaced close together, with between 16 and 26 gills reaching the stipe, and there are up to three tiers of interspersed lamellulae (short gills that do not extend fully from the cap edge to the stipe). The cylindrical stipe is 3 – 6 cm long by 0.1 – 0.2 cm thick, hollow, and stiff but flexible; it is somewhat thicker at the base.

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Rujukan: [1]

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Habitat dan peran ekologis

Mycena aurantiomarginata adalah jamur saprobik, yang memperoleh nutrisi dari bahan organik yang membusuk yang ditemukan di lantai hutan, seperti karpet jarum. Fruit bodies of the fungus grow scattered, in groups, or in tufts under conifers (usually spruce and fir), and are often found on moss. Di Amerika Utara, ia ditemukan di California, Washington, Oregon, dan British Columbia, dan spesies ini tersebar luas di Eropa barat dan utara. In Central America, the mushroom has been collected on the summit of Cerro de la Muerte in the Cordillera de Talamanca, Costa Rica, on leaf litter of Comarostaphylis arbutoides (a highly branched evergreen shrub or tree in the heath family). Di 2010, dilaporkan dari Hokkaido in Jepang utara, di mana ditemukan tumbuh di atas sampah hutan Picea glehnii pada awal musim dingin. Hal ini juga telah direkam dari Afrika Utara.

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Rujukan: [1]

Habitat atau konteks temuan

hutan

Substrat

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Peran atau konteks

Pengurai

Reproduksi

The spores are elliptic, smooth, and amyloid, with dimensions of 7–9 by 4–5 μm. The basidia (spore-bearing cells of the hymenium) are club-shaped, four-spored, and measure 25–32 by 5.5–7 μm. Pleurocystidia and cheilocystidia (cystidia on the gill faces and edges, respectively) are abundant and similar in morphology: club-shaped to somewhat capitate (with a head), the tops sparsely to densely covered with small spines (said to resemble a mace), filled with a bright orange pigment, and measuring 28–36 by 7–12 μm. The flesh of the cap is covered with a cuticle, on the surface of which are found scattered cystidia similar to those on the gills. Directly beneath the cuticle is a layer of enlarged cells, and beneath this are filamentous hyphae.

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Rujukan: [1]

Catatan identitas dan cakupan

• Nama diterima mengikuti Catalogue of Life Base2026-09-11; uraian mempertahankan konsep dan nama sumber aslinya.
• Original geographic, specimen and life-cycle scope retained; source import awaits individual editorial review.
• Impor dan terjemahan otomatis belum diperiksa editorial per profil. Struktur reproduktif yang disebutkan tidak membuktikan seluruh siklus hidup diketahui.
• Pengukuran pada uraian mengikuti spesimen, kultur, dan metode sumber; angka tidak diperluas ke semua populasi.

Melihat dengan konteks

Dokumentasi Mycena aurantiomarginata menurut asosiasi foto pada record takson iNaturalist. Kredit: Alan Rockefeller. Identitas mengikuti sumber; bukan penentuan spesimen independen.

Jenis

Fotografi

Kredit

(c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller

Lisensi

CC BY 4.0

Sumber media

Buka entri sumber

Gambar menunjukkan objek menurut identifikasi sumber, bukan verifikasi independen spesimen oleh Fungi. Tidak ada skala baru yang ditambahkan.

Dokumentasi tambahan

Sumber profil

1. [1] Mycena aurantiomarginata — Wikipedia (en)Bagian sumber: Frozen revision 1371286213
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY-SA4.0 · Wikipedia contributors
2. [2] Catalogue of Life Base2026-09-11 — Mycena aurantiomarginataBagian sumber: ColDP NameUsage.tsv ID 44SRN; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Mycena aurantiomarginataBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Media sumber: CC BY 4.0 · (c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller
4. [4] Dokumentasi visual — Mycena aurantiomarginataBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Teks sumber: CC BY-SA 4.0 · (c) Alan Rockefeller, some rights reserved (CC BY-SA)