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 viridula (Schrad.) Ach. | ||
| Methodus 16 (1803). Verrucaria papillosa Ach., Lichenogr. Universalis 286 (1810). | ||
| Thallus subepilithic to epilithic, continuous to rimose, matt, smooth, greyish green, 30–50 (–70) µm thick. Algae globose, 8–14 µm diam. Prothallus not apparent; basal layer absent. Perithecia semi-immersed to ±superficial, 0.4–0.65 mm diam., brown-black; apex rounded; ostiole in a shallow depression. Involucrellum extending to exciple base level, 60–100 µm thick. Exciple c. 30 µm thick, brown-black. Centrum 0.28–0.38 mm wide. Periphyses c. 40 × 2–3 µm. Asci 115–140 × 28–35 µm. Ascospores narrowly to broadly ellipsoidal or subglobose, 23–37 × 14–21 µm. |  |
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| Known from exposed limestone in northern Tas. Also in Great Britain, Sweden, Switzerland, the Pyrenees, Italy and southern Siberia. | ||
| McCarthy (2001h) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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