01 / Morfologi

Ciri dan struktur

The thallus of Myriospora myochroa grows directly on rock surfaces (epilithic), forming a crust of individual patches () that may remain separate or merge and lift at the edges into small, scale-like plates () up to about 4.5 mm across. These patches are typically 1.0–2.4 mm wide (occasionally as small as 0.6 mm) and range in colour from whitish or grey to brownish-grey and even dark brown or black. The surface is mostly uneven and dull, sometimes showing faint, concentric ripples. A thin, often uneven film of dead fungal cells (the ), 2–45 micrometre (μm) thick) lies just above the , which itself is 30–60 μm thick and contains scattered groups of crystals. Underneath this layer lies the algal partner and inner fungal tissue. In Baltic collections the cortex usually reacts K+ (yellow) and contains norstictic acid crystals visible under polarised light; the areoles are markedly convex and the apothecial discs uneven. Reproductive structures (apothecia) occur in groups of one to four (rarely up to fourteen) within each areole. These begin immersed in the thallus before expanding into saucer-shaped 0.15–0.70 mm across, flush or slightly sunken relative to the surrounding crust and coloured dark brown. The (the rim formed by fungal tissue around the disc) is clear and about 30 μm thick at its base, widening to 90 μm above, while the layer just above the spore sac (the ) is reddish to dark brown. The hymenium (spore-bearing layer) stands 120–230 μm high and contains unbranched or slightly branched supporting filaments (paraphyses) about 1–1.5 μm thick, with tips up to 2 μm wide.

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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

Myriospora myochroa specialises on silicate rocks, particularly favouring undercut or overhanging surfaces where moisture is retained. It tolerates a wide elevational range, from sea-level coastal outcrops subjected to sea spray through to montane exposures above 2,400 m. The species has a broad Eurasian distribution, with verified records from Asia and Europe, including the Czech Republic, Finland, France, Germany, Italy, Norway, Poland, Russia (Siberia) and Sweden. In coastal settings it often inhabits the splash zone where waves deposit salt-laden moisture, while inland it is typically found on shaded rock overhangs that provide stable humidity and protection from direct precipitation. Myriospora myochroa is firmly saxicolous, growing almost exclusively on siliceous substrates. Throughout its range it frequents sheltered, moisture-retaining microhabitats such as undercut faces, shallow caves and overhanging ledges, but it also persists on fully exposed boulders where the rock retains enough surface water to prevent desiccation. In the Baltic coastal zone of Germany the species is most abundant in the epilittoral belt (entirely above the normal water level and never submerged by water), colonising wave-washed granite or gneiss blocks that form beaches, harbour walls and rip-rap sea defences.

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Rujukan: [1]

Habitat atau konteks temuan
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Substrat
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Peran atau konteks
Pembentuk liken
Temukan hubungan serupa
03 / Siklus hidup

Reproduksi

Reproductive structures (apothecia) occur in groups of one to four (rarely up to fourteen) within each areole. These begin immersed in the thallus before expanding into saucer-shaped 0.15–0.70 mm across, flush or slightly sunken relative to the surrounding crust and coloured dark brown. The (the rim formed by fungal tissue around the disc) is clear and about 30 μm thick at its base, widening to 90 μm above, while the layer just above the spore sac (the ) is reddish to dark brown. The hymenium (spore-bearing layer) stands 120–230 μm high and contains unbranched or slightly branched supporting filaments (paraphyses) about 1–1.5 μm thick, with tips up to 2 μm wide. Asci (spore sacs) reach 120 × 22 μm and release narrowly ellipsoid measuring roughly 3–5 × 1–1.5 μm.

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Rujukan: [1]

Sinonim menurut acuan taksonomi rilis: Silobia myochroa; Trimmatothelopsis myochroa
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 Myriospora myochroa dari Wikimedia Commons. The crustose, rock-dwelling lichen Myriospora myochroa Identifikasi mengikuti record berkas sumber.

Jenis
Fotografi
Kredit
Pier Luigi Nimis
Sumber media
Buka entri sumber

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

06 / Rujukan

Sumber profil

  1. [1] Myriospora myochroa — Wikipedia (en)Bagian sumber: Frozen revision 1337387852
    Tanggal penghimpunan sumber: 2026-10-12
    Teks sumber: CC BY-SA4.0 · Wikipedia contributors
  2. [2] Catalogue of Life Base2026-09-11 — Myriospora myochroaBagian sumber: ColDP NameUsage.tsv ID 4596X; accepted species; source 2073
    Tanggal penghimpunan sumber: 2026-10-12
  3. [3] Dokumentasi visual — Myriospora myochroaBagian sumber: Individual media record; identification follows the source, not independent determination
    Tanggal penghimpunan sumber: 2026-10-12
    Media sumber: CC BY-SA 4.0 · Pier Luigi Nimis

Adaptasi teks: CC BY-SA 4.0. Wikipedia contributors — Myriospora myochroa — Wikipedia (en)

Uraian asli dan riwayat sumber

Riwayat atau halaman sumber

Ringkasan sumber

Myriospora myochroa is a species of crustose lichen in the family Acarosporaceae. It forms distinctive patches that range from whitish-grey to dark brown on silicate rock surfaces. First discovered in Sweden in 2003, this lichen grows in diverse environments from coastal areas affected by sea spray to mountain regions above 2,400 metres in elevation. It prefers sheltered, moisture-retaining habitats such as undercut rock faces and overhangs that provide stable humidity conditions. With a broad Eurasian distribution, M. myochroa has been documented across multiple European countries including Finland, France, Germany, Italy, and Russia, as well as parts of Asia.

Revisi sumber

Morfologi sumber

The thallus of Myriospora myochroa grows directly on rock surfaces (epilithic), forming a crust of individual patches () that may remain separate or merge and lift at the edges into small, scale-like plates () up to about 4.5 mm across. These patches are typically 1.0–2.4 mm wide (occasionally as small as 0.6 mm) and range in colour from whitish or grey to brownish-grey and even dark brown or black. The surface is mostly uneven and dull, sometimes showing faint, concentric ripples. A thin, often uneven film of dead fungal cells (the ), 2–45 micrometre (μm) thick) lies just above the , which itself is 30–60 μm thick and contains scattered groups of crystals. Underneath this layer lies the algal partner and inner fungal tissue. In Baltic collections the cortex usually reacts K+ (yellow) and contains norstictic acid crystals visible under polarised light; the areoles are markedly convex and the apothecial discs uneven. Reproductive structures (apothecia) occur in groups of one to four (rarely up to fourteen) within each areole. These begin immersed in the thallus before expanding into saucer-shaped 0.15–0.70 mm across, flush or slightly sunken relative to the surrounding crust and coloured dark brown. The (the rim formed by fungal tissue around the disc) is clear and about 30 μm thick at its base, widening to 90 μm above, while the layer just above the spore sac (the ) is reddish to dark brown. The hymenium (spore-bearing layer) stands 120–230 μm high and contains unbranched or slightly branched supporting filaments (paraphyses) about 1–1.5 μm thick, with tips up to 2 μm wide.

Revisi sumber

Ekologi sumber

Myriospora myochroa specialises on silicate rocks, particularly favouring undercut or overhanging surfaces where moisture is retained. It tolerates a wide elevational range, from sea-level coastal outcrops subjected to sea spray through to montane exposures above 2,400 m. The species has a broad Eurasian distribution, with verified records from Asia and Europe, including the Czech Republic, Finland, France, Germany, Italy, Norway, Poland, Russia (Siberia) and Sweden. In coastal settings it often inhabits the splash zone where waves deposit salt-laden moisture, while inland it is typically found on shaded rock overhangs that provide stable humidity and protection from direct precipitation. Myriospora myochroa is firmly saxicolous, growing almost exclusively on siliceous substrates. Throughout its range it frequents sheltered, moisture-retaining microhabitats such as undercut faces, shallow caves and overhanging ledges, but it also persists on fully exposed boulders where the rock retains enough surface water to prevent desiccation. In the Baltic coastal zone of Germany the species is most abundant in the epilittoral belt (entirely above the normal water level and never submerged by water), colonising wave-washed granite or gneiss blocks that form beaches, harbour walls and rip-rap sea defences.

Revisi sumber

Struktur reproduksi sumber

Reproductive structures (apothecia) occur in groups of one to four (rarely up to fourteen) within each areole. These begin immersed in the thallus before expanding into saucer-shaped 0.15–0.70 mm across, flush or slightly sunken relative to the surrounding crust and coloured dark brown. The (the rim formed by fungal tissue around the disc) is clear and about 30 μm thick at its base, widening to 90 μm above, while the layer just above the spore sac (the ) is reddish to dark brown. The hymenium (spore-bearing layer) stands 120–230 μm high and contains unbranched or slightly branched supporting filaments (paraphyses) about 1–1.5 μm thick, with tips up to 2 μm wide. Asci (spore sacs) reach 120 × 22 μm and release narrowly ellipsoid measuring roughly 3–5 × 1–1.5 μm.

Revisi sumber

Rujukan halaman ini

Fungi. Myriospora myochroa. Rilis data fungi-2026-10-12-expansion-2. https://fungi-atlas.mgadib.chatgpt.site/jamur/myriospora-myochroa/.

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