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 | ||
Buellia demutans (Stirt.) Zahlbr. | ||
Cat. Lich. Univ. 7: 348 (1931) Lecidea demutans Stirt., Trans. Roy. Soc. Victoria 17: 71 (1881); — Hafellia demutans (Stirt.) Pusswald, in B.Marbach, Biblioth. Lichenol. 74: 259 (2000). T: Qld, locality unknown, F.M.Bailey 82; holo: BM. Lecidea callispora C.Knight, Trans. Linn. Soc. London, Bot. 2: 45 (1882); — Buellia callispora (C.Knight) J.Steiner, Bull. Herb. Boissier, sér. 2, 7: 645 (1907); — Hafellia callispora (C.Knight) H.Mayrhofer & Sheard, in J.W.Sheard, Bryologist 95: 84 (1992). T: N.S.W. [neighbourhood of Sydney], C.Knight 23: lecto: WELT n.v., fide H.Mayrhofer, Beih. Nova Hedwigia 79: 532 (1984). Lecidea restituta Stirt., in F.M.Bailey, Queensland Agric. J. 5: 39 (1899); —Buellia restituta (Stirt.) Zahlbr., Cat. Lich. Univ. 7: 400 (1931). T: near Brisbane, Qld, F.M.Bailey 163; holo: GLAM n.v.; iso: BM n.v. Lecidea subconnexa Stirt., in F.M.Bailey, Queensland Agric. J. 5: 38 (1899); — Buellia subconnexa (Stirt.) Zahlbr., Cat. Lich. Univ. 7: 417 (1931). T: c. 60 miles [c. 95 km] W of Brisbane, Qld, on bark, 1892, Mrs Heywood McEwen s.n.; holo: BM n.v. |
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Thallus corticolous or lignicolous, 1–4 cm wide, thin, continuous or rimose, whitish, yellow-white, grey, grey-white or pale yellow-grey, smooth to weakly verrucose. Prothallus black or absent. Apothecia common, 0.5–0.9 mm wide, sessile, but occasionally initially erumpent in specimens with thicker thalli; disc black, epruinose, plane or slightly convex; margin black, moderately thick, persistent. Proper exciple dark brown. Epihymenium 10–20 μm thick, red-brown, K–. Hymenium 80–150 μm thick, densely inspersed with oil droplets. Hypothecium 150–200 μm thick, dark brown. Asci (4–) 8-spored. Ascospores 1-septate, 22–40 × 9–14 μm, with strong subapical and septal wall thickenings; outer wall moderately strongly ornamented; lumina straight. Conidia bacilliform, c. 5 × 1 μm. CHEMISTRY: Thallus K+ yellow, C–, P+ yellow; containing atranorin (major), diploicin (major), isofulgidin (minor), fulgidin (minor or trace). |
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Very common on bark and wood in coastal and hinterland areas of W.A., S.A., Qld, N.S.W. and Vic. Also in South America, South Africa, New Zealand and the Pacific (the Hawaiian Islands and New Caledonia). | ||
Elix (2009l) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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