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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 phaeoderma P.M.McCarthy
  Lichenologist 27: 116 (1995) . T: Holland Ck, below Ford Bridge, 1 km E of confluence with Spring Creek, 5 km E of Swanpool, Langi, N of Mt Samaria State Park, North-East Region, Vic., 36°44'15"S, 146°03'10"E, 11 Oct. 1990, P.M.McCarthy 458; holo: MEL.  
  Thallus epilithic, sparingly to richly rimose, rarely areolate, matt, smooth, medium grey-green to greenish black or grey-black, (40–) 60–80 (–120) µm thick, corticate. Algae subglobose to globose, 7–20 × 7–16 µm. Prothallus black; basal layer absent. Perithecia one-third to two-thirds immersed, 0.16–0.27 mm diam., black; apex rounded or slightly flattened or fissured; ostiole in a shallow depression. Involucrellum ±contiguous with the exciple, 40–50 µm thick. Exciple 12–15 µm thick, with a greenish black outer layer and a hyaline inner layer. Centrum 0.1–0.18 mm wide. Periphyses 15–30 × 1.5–2.5 µm. Asci 53–70 × 18–26 µm. Ascospores subcylindrical to ellipsoidal, 14–24 × 5–10.5 µm.
  Known from eastern N.S.W., eastern Vic. and Tas.; grows on aquatic and semi-aquatic basalt, dolerite and sandstone. Also in New Zealand.  
  McCarthy (2001h)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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