01 / Morfologi

Ciri dan struktur

Gerronema stevensonii produces minute, pale fruit bodies. The cap (pileus) is typically 3–5 mm across—originally recorded as "2 lines" (c. 4 mm) in diameter—disc‑shaped with a shallow central depression (umbilicate), smooth and uniformly pale. Young specimens have an inflexed margin. Gills are decurrent, closely spaced, and initially pale before turning faintly brownish with age. The slender stipe measures up to 6 mm tall and 1–2 mm thick; it is cylindrical, finely pruinose when fresh, and darkens slightly with age, arising from a small patch of white mycelium at the base. A small number of spores measured from the type material were 6–7 by 3–3.5 μm, and hyphae examined in the type showed clamp connections—characters that distinguish it from superficially similar, unclamped species in other genera.

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Rujukan: [1]

Pengukuran mengikuti objek, spesimen atau kultur, dan metode yang disebutkan sumber. Baca uraian asli untuk konteks lengkap.

02 / Kehidupan

Habitat dan peran ekologis

The only confirmed locality for G. stevensonii is near Glamis in Angus, Scotland, where Rev. John Stevenson gathered it in March and April 1874 on very rotten wood among moss. Original specimens and three further packets of the type material are housed at the Royal Botanic Gardens, Kew. Later reports are few and require verification: E. J. H. Corner recorded similar material in the Breckland region of East Anglia (his East Anglian collections are held at Cambridge but need re‑examination), and a single Scottish collection on Sphagnum from Loch Duartmore, Sutherland (6 May 1990), is preserved at Kew but its identity remains uncertain. Several other records under related names in national databases appear to be misidentifications. Taken together, these data suggest that if it still occurs, G. stevensonii is extraordinarily rare in Britain.

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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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Temukan hubungan serupa
03 / Siklus hidup

Reproduksi

A small number of spores measured from the type material were 6–7 by 3–3.5 μm, and hyphae examined in the type showed clamp connections—characters that distinguish it from superficially similar, unclamped species in other genera.

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Rujukan: [1]

Sinonim menurut acuan taksonomi rilis: Cantharellus stevensonii; Hygrophoropsis stevensonii; Merulius stevensonii
04 / Batas informasi

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.

Catatan distribusi dalam narasi mengikuti sumbernya. Dokumentasi spesimen atau foto mengikuti catatan sumber. Bukti wilayah Indonesia dan penilaian konservasi tidak disimpulkan dari gambar.

05 / Dokumentasi

Melihat dengan konteks

Dokumentasi visual yang memenuhi pemeriksaan subjek dan hak penggunaan belum tersedia. Foto gejala, label, dan gambar yang meragukan tidak dihitung.

06 / Rujukan

Sumber profil

  1. [1] Gerronema stevensonii — Wikipedia (en)Bagian sumber: Frozen revision 1294764640
    Tanggal penghimpunan sumber: 2026-10-12
    Teks sumber: CC BY-SA4.0 · Wikipedia contributors
  2. [2] Catalogue of Life Base2026-09-11 — Gerronema stevensoniiBagian sumber: ColDP NameUsage.tsv ID 6KFS4; accepted species; source 2073
    Tanggal penghimpunan sumber: 2026-10-12

Adaptasi teks: CC BY-SA 4.0. Wikipedia contributors — Gerronema stevensonii — Wikipedia (en)

Uraian asli dan riwayat sumber

Riwayat atau halaman sumber

Ringkasan sumber

Gerronema stevensonii is a rare species of agaric fungus in the family Porotheleaceae. First discovered in Scotland in 1874, it produces tiny pale fruit bodies with caps measuring only 3–5 mm across. The fungus is known primarily from its original collection near Glamis, Scotland, where it was found growing on very decayed wood among moss. Despite limited subsequent sightings, it remains one of Britain's rarest mushrooms.

Revisi sumber

Morfologi sumber

Gerronema stevensonii produces minute, pale fruit bodies. The cap (pileus) is typically 3–5 mm across—originally recorded as "2 lines" (c. 4 mm) in diameter—disc‑shaped with a shallow central depression (umbilicate), smooth and uniformly pale. Young specimens have an inflexed margin. Gills are decurrent, closely spaced, and initially pale before turning faintly brownish with age. The slender stipe measures up to 6 mm tall and 1–2 mm thick; it is cylindrical, finely pruinose when fresh, and darkens slightly with age, arising from a small patch of white mycelium at the base. A small number of spores measured from the type material were 6–7 by 3–3.5 μm, and hyphae examined in the type showed clamp connections—characters that distinguish it from superficially similar, unclamped species in other genera.

Revisi sumber

Ekologi sumber

The only confirmed locality for G. stevensonii is near Glamis in Angus, Scotland, where Rev. John Stevenson gathered it in March and April 1874 on very rotten wood among moss. Original specimens and three further packets of the type material are housed at the Royal Botanic Gardens, Kew. Later reports are few and require verification: E. J. H. Corner recorded similar material in the Breckland region of East Anglia (his East Anglian collections are held at Cambridge but need re‑examination), and a single Scottish collection on Sphagnum from Loch Duartmore, Sutherland (6 May 1990), is preserved at Kew but its identity remains uncertain. Several other records under related names in national databases appear to be misidentifications. Taken together, these data suggest that if it still occurs, G. stevensonii is extraordinarily rare in Britain.

Revisi sumber

Struktur reproduksi sumber

A small number of spores measured from the type material were 6–7 by 3–3.5 μm, and hyphae examined in the type showed clamp connections—characters that distinguish it from superficially similar, unclamped species in other genera.

Revisi sumber

Rujukan halaman ini

Fungi. Gerronema stevensonii. Rilis data fungi-2026-10-12-expansion-2. https://fungi-atlas.mgadib.chatgpt.site/jamur/gerronema-stevensonii/.

Status: impor sumber; pemeriksaan editorial per profil belum selesai. Untuk klaim biologis, gunakan rujukan pada bagian terkait dan periksa konteks sumber aslinya.