Australian Biological Resources Study
Checklist of the Lichens of Australia and its Island Territories | ||
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References | ||
Verrucaria tholocarpa P.M.McCarthy | ||
Lichenologist 27: 121 (1995). T: Vale R., Vale of Belvoir, 5 km NE of Mayday Mount, Tas., 21 May 1993, P.M.McCarthy 655 & G.Kantvilas; holo: MEL; iso: HO, MEL. | ||
Thallus subepilithic to epilithic, continuous to areolate, smooth, matt, pale to medium greenish brown, 40–80 (–100) µm thick, ecorticate or with an uppermost layer of globose 3–5 µm diam. cells. Algae subglobose to globose, 5–10 × 5–8 µm. Prothallus not apparent; basal layer absent. Perithecia semi-immersed to one-third immersed, hemispherical to subglobose, (0.27–) 0.38 (–0.52) mm diam., black; apex rounded; ostiole usually in a shallow 60–100 (–140) µm wide depression. Involucrellum usually contiguous with the exciple, 60–100 µm thick. Exciple 20–30 µm thick, hyaline at the base, darkening towards the apex. Centrum 0.2–0.35 mm wide. Periphyses 30–60 × 1.5–3.5 µm. Asci 90–128 × 26–35 µm. Ascospores elongate-ellipsoidal to broadly ellipsoidal, occasionally subcylindrical or clavate, 26–47 × 11–20 µm. | ||
Endemic to northern Tas. where it grows on aquatic limestone. | ||
McCarthy (2001h) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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