Ciri dan struktur
Diagnosis: It is characterized by a glossy upper surface, tiny lobes, and a thick algal layer. Description: Thallus squamulose; terricolous; lobes roundish, tiny, 0.7–2 mm wide, (356) 442 ± 55 (523) µm thick; contiguous to densely aggregated, tightly adnate to the substrate; upper surface medium brown, glossy, brown rimmed; lower surface pale to pale yellow; epinecral layer transparent, (33.4) 35.4 ± 1.6 (37.5) µm thick; upper cortex (41) 58 ± 15 (78) µm thick, paraplectenchymatous, cells 8–10 µm in diam.; uppermost layer pale yellow to light brown, 33–36 µm thick; algal layer (104) 159 ± 34 (195) µm thick, algal cells globular, (7.3) 7.8 ± 0.5 (8.7) µm in diam. dispersed over the whole medulla; medulla zone not clear; lower cortex not delimited from the medulla, (42) 63 ± 16 (88) µm thick, composed of densely aggregated globular cells, cells (8.4) 10.6 ± 1.5 (12.6) µm in diam. Rhizohyphae (4.0) 5.2 ± 0.7 (5.9) µm thick, colorless. Pycnidia laminal, immersed, Dermatocarpon -type, immature, subglobular, 250 µm in dim., conidia not seen.
Habitat dan peran ekologis
Ecology and distribution: On the surface of sandy soil in high altitude areas of the Qinghai–Tibet plateau. It has been known only in China up to now.
- Habitat atau konteks temuan
- Informasi belum tersedia pada sumber rilis ini.
- Substrat
- Informasi belum tersedia pada sumber rilis ini.
- Peran atau konteks
- Pembentuk liken
Reproduksi
Description: Thallus squamulose; terricolous; lobes roundish, tiny, 0.7–2 mm wide, (356) 442 ± 55 (523) µm thick; contiguous to densely aggregated, tightly adnate to the substrate; upper surface medium brown, glossy, brown rimmed; lower surface pale to pale yellow; epinecral layer transparent, (33.4) 35.4 ± 1.6 (37.5) µm thick; upper cortex (41) 58 ± 15 (78) µm thick, paraplectenchymatous, cells 8–10 µm in diam.; uppermost layer pale yellow to light brown, 33–36 µm thick; algal layer (104) 159 ± 34 (195) µm thick, algal cells globular, (7.3) 7.8 ± 0.5 (8.7) µm in diam. dispersed over the whole medulla; medulla zone not clear; lower cortex not delimited from the medulla, (42) 63 ± 16 (88) µm thick, composed of densely aggregated globular cells, cells (8.4) 10.6 ± 1.5 (12.6) µm in diam.
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.
Catatan distribusi dalam narasi mengikuti sumbernya. Dokumentasi spesimen atau foto mengikuti catatan sumber. Bukti wilayah Indonesia dan penilaian konservasi tidak disimpulkan dari gambar.
Melihat dengan konteks
The thallus habit and the anatomic structure of Placidium nitidulum sp. nov (holotype HMAS-L 151947). (A). Squamulose thallus. (B). Transversal section of thallus. (C). Immersed perithecia. (D). Aggregated pyrithecia. (E). Pycnidium. (F). Cylindrical asci with uniseriate ascospores. (G–I). Ascospores. Bars: (A) =2 mm, (B) =50 µm, (C–E) =100 µm, (F) =10 µm, (G, H) =5 µm, and (I) =10 µm.
- Jenis
- Pelat ilmiah
- Kredit
- © 2022 by the authors.
- Lisensi
- CC BY 4.0
- Sumber media
- Buka entri sumber
Sumber profil
- [1] Hidden Species Diversity was Explored in Two Genera of Catapyrenioid Lichens (Verrucariaceae, Ascomycota) from the Deserts of China — Placidium nitidulum
- [2] Catalogue of Life Base2026-09-11 — Placidium nitidulum
- [3] Dokumentasi visual — Placidium nitidulum
Rujukan halaman ini
Fungi. Placidium nitidulum. Rilis data fungi-2026-10-12-expansion-2. https://fungi-atlas.mgadib.chatgpt.site/jamur/placidium-nitidulum/.
Status: impor sumber; pemeriksaan editorial per profil belum selesai. Untuk klaim biologis, gunakan rujukan pada bagian terkait dan periksa konteks sumber aslinya.
