Amanita rhacopus

Ciri dan struktur

Amanita rhacopus differs from other species of Amanita section Vaginatae by its brown to dark grey-brown pileus, stipe white at times covered with grey chevrons, universal veil grey leaving small to large flakes on pileus and annulus-like remnants at the stipe base, found in stands of conifers (Abies, Picea, Pinus, Tsuga) mixed with Betula.

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Rujukan: [1]

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

Habitat dan peran ekologis

Solitary or scattered in stands of conifers (Abies, Picea, Pinus) mixed with Betula, on mesic to sub-mesic soil, never seen in plantations, from July to September in Québec and, according to sequences in Genbank, in all eastern North America down to Tennessee and Texas.

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Rujukan: [1]

Habitat atau konteks temuan

Informasi belum tersedia pada sumber rilis ini.

Substrat

Informasi belum tersedia pada sumber rilis ini.

Peran atau konteks

Belum dikategorikan pada rilis ini.

Reproduksi

CANADA, Québec: Mont Orford, in mountain, close to a stand of Betula papyrifera in a Abies balsamea and Tsuga canadensis forest, 45°18'43" North, 72°14'24" West, 11 July 1994, CMMF002171, ITS Genbank accession number MG734660. Description. Pileus 40-80 mm wide, ovoid to rounded conic slightly umbonate to applanate, smooth, brown to greyish-brown, with time darker in the centre and over inner ends of marginal striations, often with grey velar flakes, margin striated. Lamellae free, crowded, greyish near the pileus margin or completely greyish with age, lamellulae numerous, truncated, of very diverse lengths, unevenly distributed, edges finely powdered, white to whitish. Stipe 70–120 × 7–13 mm, cylindrical (not bulbous), flocculose and white first, then smooth to appressed fibrillose, whitish to greyish, at times with chevron-forming greyish fibrils, without annulus, with grey annulus-like remnants at the base.

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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.
• Preserve original treatment localities, hosts and substrate scope. Materials examined describe documented specimens, not the full global range.
• 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

Amanita rhacopus. a–c Basidiomes a CMMF002171(holotype), photograph by Yves Lamoureux b CMMF009640, photograph by Jacqueline Labrecque c HL016, photograph by Herman Lambert d–h Drawings of typical microscopic structures by Guy Fortin d Basidiospores e Basidia f Acrophysalides g Universal veil. h. Caulocystides. Scale bar: 3 cm (a, b), 10 µm (d, e), 20 µm (f–h).

Jenis

Pelat ilmiah

Kredit

Herman Lambert, Guy Fortin, Roland Labbé, Jacqueline Labrecque, Jean A. Bérubé, Jacques Landry, Evgeny Ilyukhin, Simona Margaritescu, Jean-Marc Moncalvo, Yves Lamoureux

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.

Sumber profil

1. [1] Validation of two Amanita species from eastern North America: A. rhacopus sp. nov. and A. variicolor sp. nov. — Amanita rhacopusBagian sumber: PMC6160832_section_8
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY 4.0 · Lambert H, Fortin G, Labbé R, Labrecque J, Bérubé JA, Landry J, Ilyukhin E, Margaritescu S, Moncalvo JM, Lamoureux Y.
2. [2] Catalogue of Life Base2026-09-11 — Amanita rhacopusBagian sumber: ColDP NameUsage.tsv ID 65YQV; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Amanita rhacopusBagian sumber: Individual media record; identification follows the source, not independent determination
   Tanggal penghimpunan sumber: 2026-10-12
   Media sumber: CC BY 4.0 · Herman Lambert, Guy Fortin, Roland Labbé, Jacqueline Labrecque, Jean A. Bérubé, Jacques Landry, Evgeny Ilyukhin, Simona Margaritescu, Jean-Marc Moncalvo, Yves Lamoureux