Ciri dan struktur
Saxiloba firmula has a flattened, leaf-like thallus that forms tightly appressed rosettes measuring 10–20 mm in diameter. The edges of the thallus feature distinct lobes, and its surface is marked by a network of fine, reticulate lines. These lines define chambers within the thallus that contain clusters of crystals, giving the lichen a textured appearance when wet. The colour of the thallus ranges from silvery grey-green to olive-grey. The internal structure of S. firmula is complex, with a tightly packed fungal layer forming the upper cortex. Beneath this is the , which contains symbiotic green algae of the genus Trentepohlia. Embedded within the photobiont layer are large crystal clusters, thought to play a role in light management. A loosely arranged medulla of fungal hyphae underlies the photobiont layer, and a dark anchors the lichen to its rocky . Reproductive structures include perithecia, which are immersed in the thallus and covered by a layer of fungal tissue. The reddish-brown to cherry-red ostioles (openings) of the perithecia are visible on the surface. The asci within produce small, colourless, multi-septate .
Habitat dan peran ekologis
Saxiloba firmula is found in the Caribbean, including Cuba, Isla de la Juventud (formerly Isle of Pines), Puerto Rico, and the Bahamas. It primarily grows on calcareous rocks in dry forest habitats, favouring shaded or semi-shaded conditions. Despite its preference for shade, it can tolerate limited sun exposure, allowing it to inhabit a range of microhabitats. The species' vertical arrangement of crystal clusters and algal cells within its thallus may enhance its ability to capture and utilise light in low-light environments. This adaptation likely contributes to its success in the often dim, shaded habitats it occupies.
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Reproduksi
Reproductive structures include perithecia, which are immersed in the thallus and covered by a layer of fungal tissue. The reddish-brown to cherry-red ostioles (openings) of the perithecia are visible on the surface. The asci within produce small, colourless, multi-septate .
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.
Melihat dengan konteks
Dokumentasi Saxiloba firmula dari Wikimedia Commons. The rock-dwelling crustose lichen Saxiloba firmula Identifikasi mengikuti record berkas sumber.
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Sumber profil
- [1] Saxiloba firmula — Wikipedia (en)
- [2] Catalogue of Life Base2026-09-11 — Saxiloba firmula
- [3] Dokumentasi visual — Saxiloba firmula
Rujukan halaman ini
Fungi. Saxiloba firmula. Rilis data fungi-2026-10-12-expansion-2. https://fungi-atlas.mgadib.chatgpt.site/jamur/saxiloba-firmula/.
Status: impor sumber; pemeriksaan editorial per profil belum selesai. Untuk klaim biologis, gunakan rujukan pada bagian terkait dan periksa konteks sumber aslinya.

