01 / Morfologi

Ciri dan struktur

The thalli of Cetraria aculeata form shrubby tufts of up to 1–5 cm height, main branches are from 1 to 4 mm wide, terminal branches up to 1 mm wide, chemical spot tests K and P both negative. The species is found fertile, and seems to propagate mainly by thallus fragmentation. Despite the apparent lack of ascospores, which can be dispersed across long distances, C. aculeata has a very wide distribution. It is frequent in open polar and boreal environments from the maritime Antarctic to the high Arctic. At intermediate latitudes it is mostly found in high mountain ecosystems, as well as its distributional range also extends into forest gaps, woodland and steppe ecosystems, or coastal and riparian sand deposits of the Mediterranean and temperate zones. Although Cetraria aculeata is widespread globally, some isolated tropical mountain populations appear to be at local or national risk of extinction, including those in East Africa and South America. A 2013 review of phylogeographic studies suggested that Cetraria aculeata evolved in the Northern Hemisphere and later spread into the Southern Hemisphere during the Pleistocene. The same review noted that Antarctic populations have very low genetic diversity, consistent with southward colonization followed by little ongoing genetic exchange with northern populations.

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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

Cetraria aculeata is a known host to several lichenicolous fungus species, including Lichenopeltella cetrariicola, Acremonium lichenicola, Clypeococcum cetrariae, Didymocyrtis cladoniicola, Didymocyrtis trassii, Endococcus parmeliarum, Lichenoconium eroden, Eonema pyriforme, Katherinomyces cetrariae, Sphaerellothecium aculeatae, and Taeniolella rolfii. A molecular study found that Cetraria aculeata associates with a single phylogenetic lineage of the green algal species Trebouxia jamesii. Temperate populations consistently contained a distinct photobiont lineage, and the authors suggested that an earlier switch in algal partners may have helped the species colonize both temperate and polar habitats. A later review likewise linked the species' broad environmental range to variation in its algal partners, concluding that photobiont switching probably broadened its ecological niche and was followed by genetic isolation among geographically separated populations. In addition to its fungal and algal partners, Cetraria aculeata harbours characteristic communities of associated Alphaproteobacteria. A study of populations from Antarctica, Iceland, Germany, and Spain found that these communities were dominated by Acetobacteraceae and were less diverse in polar than in temperate populations.

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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

The thalli of Cetraria aculeata form shrubby tufts of up to 1–5 cm height, main branches are from 1 to 4 mm wide, terminal branches up to 1 mm wide, chemical spot tests K and P both negative. The species is found fertile, and seems to propagate mainly by thallus fragmentation. Despite the apparent lack of ascospores, which can be dispersed across long distances, C. aculeata has a very wide distribution. It is frequent in open polar and boreal environments from the maritime Antarctic to the high Arctic. At intermediate latitudes it is mostly found in high mountain ecosystems, as well as its distributional range also extends into forest gaps, woodland and steppe ecosystems, or coastal and riparian sand deposits of the Mediterranean and temperate zones.

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Rujukan: [1]

Sinonim menurut acuan taksonomi rilis: Bryopogon aculeatus; Cetraria aculeata var. sorediata; Cetraria aculeata var. spadicea; Cetraria tenuissima; Cetraria tenuissima var. aculeata; Cetraria tenuissima var. spadicea; Cladonia aculeata; Coelocaulon aculeatum; Coelocaulon aculeatum f. sorediatum; Coelocaulon tenuissimum; Coralloides aculeata; Coralloides aculeatum; Cornicularia aculeata; Cornicularia aculeata var. sorediata; Cornicularia aculeata var. spadicea; Cornicularia spadicea; Cornicularia tenuissima; Cornicularia tenuissima f. spadicea; Cornicularia tenuissima var. sorediata; Cornicularia tenuissima var. spadicea; Lichen aculeatus; Lichen islandicus var. tenuissimus; Lichen spadiceus; Lobaria aculeata; Parmelia aculeata; Parmelia spadicea; Platisma aculeatum; Platysma aculeatum
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 Cetraria aculeata dari Wikimedia Commons. Fotografía realizada por Pablo Alberto Salguero Quiles a un ejemplar de 5cm. de altura de Cetraria aculeata en la zona centro de la Península Ibérica. Valle del río Lozoya, Madrid. España. Identifikasi mengikuti record berkas sumber.

Jenis
Fotografi
Kredit
Alberto Salguero
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] Cetraria aculeata — Wikipedia (en)Bagian sumber: Frozen revision 1352884654
    Tanggal penghimpunan sumber: 2026-10-12
    Teks sumber: CC BY-SA4.0 · Wikipedia contributors
  2. [2] Catalogue of Life Base2026-09-11 — Cetraria aculeataBagian sumber: ColDP NameUsage.tsv ID T734; accepted species; source 2073
    Tanggal penghimpunan sumber: 2026-10-12
  3. [3] Dokumentasi visual — Cetraria aculeataBagian sumber: Individual media record; identification follows the source, not independent determination
    Tanggal penghimpunan sumber: 2026-10-12
    Media sumber: CC BY-SA 3.0 · Alberto Salguero

Adaptasi teks: CC BY-SA 4.0. Wikipedia contributors — Cetraria aculeata — Wikipedia (en)

Uraian asli dan riwayat sumber

Riwayat atau halaman sumber

Ringkasan sumber

The species has a wide, bipolar distribution, occurring from the maritime Antarctic to the high Arctic and, at intermediate latitudes, in montane, steppe, and coastal habitats. Phylogeographic evidence suggests it evolved in the Northern Hemisphere and spread southward during the Pleistocene. Its broad ecological range has been linked to variation in its green algal photobiont partners, and it also harbours characteristic communities of associated alphaproteobacteria. Although globally widespread, some isolated tropical mountain populations are considered at risk of local extinction.

Revisi sumber

Morfologi sumber

The thalli of Cetraria aculeata form shrubby tufts of up to 1–5 cm height, main branches are from 1 to 4 mm wide, terminal branches up to 1 mm wide, chemical spot tests K and P both negative. The species is found fertile, and seems to propagate mainly by thallus fragmentation. Despite the apparent lack of ascospores, which can be dispersed across long distances, C. aculeata has a very wide distribution. It is frequent in open polar and boreal environments from the maritime Antarctic to the high Arctic. At intermediate latitudes it is mostly found in high mountain ecosystems, as well as its distributional range also extends into forest gaps, woodland and steppe ecosystems, or coastal and riparian sand deposits of the Mediterranean and temperate zones. Although Cetraria aculeata is widespread globally, some isolated tropical mountain populations appear to be at local or national risk of extinction, including those in East Africa and South America. A 2013 review of phylogeographic studies suggested that Cetraria aculeata evolved in the Northern Hemisphere and later spread into the Southern Hemisphere during the Pleistocene. The same review noted that Antarctic populations have very low genetic diversity, consistent with southward colonization followed by little ongoing genetic exchange with northern populations.

Revisi sumber

Ekologi sumber

Cetraria aculeata is a known host to several lichenicolous fungus species, including Lichenopeltella cetrariicola, Acremonium lichenicola, Clypeococcum cetrariae, Didymocyrtis cladoniicola, Didymocyrtis trassii, Endococcus parmeliarum, Lichenoconium eroden, Eonema pyriforme, Katherinomyces cetrariae, Sphaerellothecium aculeatae, and Taeniolella rolfii. A molecular study found that Cetraria aculeata associates with a single phylogenetic lineage of the green algal species Trebouxia jamesii. Temperate populations consistently contained a distinct photobiont lineage, and the authors suggested that an earlier switch in algal partners may have helped the species colonize both temperate and polar habitats. A later review likewise linked the species' broad environmental range to variation in its algal partners, concluding that photobiont switching probably broadened its ecological niche and was followed by genetic isolation among geographically separated populations. In addition to its fungal and algal partners, Cetraria aculeata harbours characteristic communities of associated Alphaproteobacteria. A study of populations from Antarctica, Iceland, Germany, and Spain found that these communities were dominated by Acetobacteraceae and were less diverse in polar than in temperate populations.

Revisi sumber

Struktur reproduksi sumber

The thalli of Cetraria aculeata form shrubby tufts of up to 1–5 cm height, main branches are from 1 to 4 mm wide, terminal branches up to 1 mm wide, chemical spot tests K and P both negative. The species is found fertile, and seems to propagate mainly by thallus fragmentation. Despite the apparent lack of ascospores, which can be dispersed across long distances, C. aculeata has a very wide distribution. It is frequent in open polar and boreal environments from the maritime Antarctic to the high Arctic. At intermediate latitudes it is mostly found in high mountain ecosystems, as well as its distributional range also extends into forest gaps, woodland and steppe ecosystems, or coastal and riparian sand deposits of the Mediterranean and temperate zones.

Revisi sumber

Rujukan halaman ini

Fungi. Cetraria aculeata. Rilis data fungi-2026-10-12-expansion-2. https://fungi-atlas.mgadib.chatgpt.site/jamur/cetraria-aculeata/.

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