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 | ||
| Hypotrachyna heterochroa (Hale & Kurok.) Elix | ||
| Lichenes Australasici Exsicc. 4: 82 (1985). Based on Parmelia hypoxantha Stirt., Trans. & Proc. New Zealand Inst. 32: 76 (1899), nom. illeg. non Parmelia hypoxantha Müll.Arg., Flora 64: 85 (1881) [= Chondropsis semiviridis (F.Muell. ex Nyl.) Nyl. ex Cromb.]; Parmelia heterochroa Hale & Kurok., Contr. U.S. Natl Herb. 36: 154 (1964). T: Warwick, Qld, Gwyther s.n.; lecto: BM, fide R.W.Rogers, Austrobaileya 1: 506 (1982). Parmelia tiliacea var. stenophylla Müll.Arg., Flora 66: 46 (1883). T: Toowoomba, Qld, Hartmann; holo: G, n.v., fide M.E.Hale & S. Kurokawa, loc. cit. Parmelia tiliacea var. rugulata Müll.Arg., Nuovo Giorn. Bot. Ital. 23: 388 (1891); Parmelia quercina var. rugulata (Müll.Arg.) Zahlbr., Cat. Lich. Univ. 6: 191 (1929). T: Brisbane, Qld, Bailey s.n.; lecto: G, n.v., fide M.E.Hale & S.Kurokawa, loc. cit. Parmelia tiliacea var. convexula Müll.Arg., Bull. Herb. Boissier 4: 90 (1896). T: Brisbane, Qld, Shirley 1665; holo: G, n.v., fide M.E.Hale & S.Kurokawa, loc. cit.. | ||
| Thallus adnate, to 3–6 cm wide. Lobes contiguous, sublinear, subdichotomously branched, 1–2 mm wide; margins entire; apices incised. Upper surface whitish grey, flat, shiny, continuous, emaculate, without soredia, pustules and isidia. Medulla mostly white; lower medulla orange-brown. Lower surface moderately to densely rhizinate; rhizines densely dichotomously branched. Apothecia common, sessile, 2–4 mm wide; thalline exciple smooth to undulate. Ascospores 10–13 × 6–8 µm. Pycnidia scattered. Conidia 5–8 × 1 µm. CHEMISTRY: cortex K+ yellow, UV-; medulla K-, C-, P+ orange-red; lower medulla K+ violet; containing atranorin, chloroatranorin, protocetraric acid (major), skyrin (in lower medulla) and unidentified pigment (in lower medulla). | ||
| Scattered, occurs in coastal and hinterland areas of eastern Australia (Qld and N.S.W.). Also in New Zealand. Grows on bark and rock. | ||
| Elix (1994h) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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