Anaptychia nevadensis

Ciri dan struktur

The lichen forms small to mid-sized rosettes, usually 1.5–7.0 cm across, that sit loosely on the rock. The are short to moderately elongated (roughly 0.7–1.8 mm long and 0.5–1.2 mm wide), somewhat arched, and end in tightly inrolled, scalloped tips. The upper surface is pale to brownish gray and generally lacks the sugar-dust coating (); when present, the pruina is faint and mostly limited to the lobe tips. Coarse bristles are common near the growing tips, and the upper bears minute, single-celled bumps that look like tiny hairs under a microscope. The lower surface is pale, with a thin cortex only near the center of the thallus and becoming whitish and without a cortex toward the lobe tips. The species does not produce soredia (powdery propagules). Fruiting bodies (apothecia) are usually abundant and often crowd together near the center of the rosette. They are round, about 0.5–1.5 (less often up to 2.0) mm in diameter, with a disk that is mostly free of pruina; a rim of thallus tissue () persists around the edge. The sexual spores (ascospores) are typically slightly bent and measure about 23–35(–42) × 12–17 μm (average length per specimen around 29 μm). Tiny flask-shaped structures (pycnidia) are immersed in the thallus and release asexual spores (conidia) that are rod- to short-ellipsoid shaped, about 4.5–6.2(–7.1) × 1.3–2.3 μm. Standard spot tests on the thallus are negative; thin-layer chromatography commonly detects variolaric acid, and weak K+ or KC+ (yellow) reactions may be seen where that compound is concentrated.

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Rujukan: [1]

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Habitat dan peran ekologis

Anaptychia nevadensis grows on siliceous rock (rhyolite, andesite, basalt, granite, quartzite), occasionally overgrowing moss. It favors sheltered microsites – especially crevices and steep, north-facing faces – within open outcrops, typically at about 1550 – 2100 m, with an observed range about 1375 – 2300 m. The species is restricted to the north-western Great Basin of the U.S.A., with confirmed records in Nevada, adjacent northeastern California (Warner Mountains) and southeastern Oregon (Steens Mountain). It often occurs near, but is readily separable from, the sorediate A. elbursiana. The authors note that its range coincides with areas having relatively more winter-weighted precipitation and hypothesize intolerance of summer monsoonal thunderstorms.

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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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Reproduksi

The lichen forms small to mid-sized rosettes, usually 1.5–7.0 cm across, that sit loosely on the rock. The are short to moderately elongated (roughly 0.7–1.8 mm long and 0.5–1.2 mm wide), somewhat arched, and end in tightly inrolled, scalloped tips. The upper surface is pale to brownish gray and generally lacks the sugar-dust coating (); when present, the pruina is faint and mostly limited to the lobe tips. Coarse bristles are common near the growing tips, and the upper bears minute, single-celled bumps that look like tiny hairs under a microscope. The lower surface is pale, with a thin cortex only near the center of the thallus and becoming whitish and without a cortex toward the lobe tips.

Sebagian uraian ditampilkan dalam bahasa sumber; terjemahannya belum tersedia atau belum lolos pemeriksaan.

Rujukan: [1]

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.

Melihat dengan konteks

Voucher herbarium Anaptychia nevadensis (04305732), The New York Botanical Garden. Identifikasi mengikuti record spesimen sumber. Foto bahan, kemasan, atau label herbarium sebagaimana tersedia pada record institusi; bukan foto lapangan atau penentuan spesimen independen.

Jenis

Voucher herbarium

Kredit

The New York Botanical Garden

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] Anaptychia nevadensis — Wikipedia (en)Bagian sumber: Frozen revision 1308442179
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY-SA4.0 · Wikipedia contributors
2. [2] Catalogue of Life Base2026-09-11 — Anaptychia nevadensisBagian sumber: ColDP NameUsage.tsv ID B32K2; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Anaptychia nevadensisBagian sumber: Individual media record; identification follows the source, not independent determination
   Tanggal penghimpunan sumber: 2026-10-12
   Media sumber: CC BY 4.0 · The New York Botanical Garden