Psathyrella ammophila

Ciri dan struktur

Typically small- to medium-sized, P. ammophila is found growing terrestrial or in small clumps near marram grass. The cap is a light clay-brown or tan when younger and about 1 to 4 cm in diameter. Although the cap is generally smooth, it possesses microscopically tiny hairs and is often coated with sand particles. The tissue is not hygrophanous and therefore does not change colour with moisture loss and absorption, but the mushrooms do darken to a dark brown as they age. Cap shape begins as campanulate or convex, gradually flattening and possibly becoming depressed in shape. The gills of P. ammophila are crowded and attached to the stem usually broadly (adnate) but occasionally narrowly (adnexed). At a very young age they may be a pallid brown, but for most of the lifespan are dark brown, sometimes turning black. The stipe/stem is light grey to pale brown and centrally attached to the cap. The surface is smooth, sometimes with small vertical ridges. It is deeply rooted in the substrate for feeding on the roots of marram grass and for stability in its sand dune habitat. Above ground, its height is typically 3 to 7 cm tall and its diameter is slender, about 2 to 5 mm. There is no ring. The basidia bear four spores. The spores are dark brown and smooth, ellipsoid in shape, and 10 to 11 μm × 6 to 7 μm. There is a large germ pore on each spore. Flesh of the cap and stem is pale, thin, and brittle. Neither the taste nor the odour of the mushroom is distinctive, and it is considered inedible, though not particularly noted as being toxic. Conocybe dunensis is a similar species that is mainly differentiated from P. ammophila by the rust colour of its gills.

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Rujukan: [1]

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Habitat dan peran ekologis

Psathyrella ammophila has a wide but sparse distribution throughout the European continent and in limited coastal locations outside Europe, with records of collection in Algeria, New Zealand, and Canada. It can sometimes be found near the shoreline, inside the littoral zone, but is most often encountered in more stable and established sand dunes and dune slacks inland. The presence of marram grass nearby is a key aspect of its habitat, as it has a symbiotic (specifically, commensal) relationship with the plants, using their decaying roots as food. The mushrooms grow singly or in clumps and are, to some degree, sympatric with the fly Delia albula. The fungivorous larvae of the fly develops in P. ammophila parasitically, though will also attack other fungi.

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Rujukan: [1]

Habitat atau konteks temuan

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Substrat

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Peran atau konteks

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Reproduksi

The basidia bear four spores. The spores are dark brown and smooth, ellipsoid in shape, and 10 to 11 μm × 6 to 7 μm. There is a large germ pore on each spore.

Sebagian uraian ditampilkan dalam bahasa sumber; terjemahannya belum tersedia atau belum lolos pemeriksaan.

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 Psathyrella ammophila menurut asosiasi foto pada record takson iNaturalist. Kredit: Michel Langeveld. Identitas mengikuti sumber; bukan penentuan spesimen independen.

Jenis

Fotografi

Kredit

(c) Michel Langeveld, some rights reserved (CC BY), uploaded by Michel Langeveld

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] Psathyrella ammophila — Wikipedia (en)Bagian sumber: Frozen revision 1299567625
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY-SA4.0 · Wikipedia contributors
2. [2] Catalogue of Life Base2026-09-11 — Psathyrella ammophilaBagian sumber: ColDP NameUsage.tsv ID 4NDTB; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Psathyrella ammophilaBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Media sumber: CC BY 4.0 · (c) Michel Langeveld, some rights reserved (CC BY), uploaded by Michel Langeveld
4. [4] Dokumentasi visual — Psathyrella ammophilaBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Teks sumber: CC BY 4.0 · (c) Kieran Roy Powell, some rights reserved (CC BY), uploaded by Kieran Roy Powell
5. [5] Dokumentasi visual — Psathyrella ammophilaBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Teks sumber: CC BY 4.0 · (c) Michel Langeveld, some rights reserved (CC BY), uploaded by Michel Langeveld