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 | ||
| Parmotrema subsumptum (Nyl.) Hale | ||
| Mycotaxon 5: 434 (1977) Parmelia subsumpta Nyl., Flora 52: 117 (1869); Rimeliella subsumpta (Nyl.) Kurok., Ann. Tsukuba Bot. Gard. 10: 9 (1991); Canomaculina recipienda (Nyl.) Elix, Mycotaxon 65: 477 (1997). T: Minas Gerais, Brazil, A.Glaziou s.n.; holo: H-NYL. |
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| Thallus loosely adnate, coriaceous, to 7–15 cm wide. Lobes irregular, 7–12 mm wide; margins entire; cilia sparse to moderately dense, commonly branched, 1–2 mm long. Upper surface grey to pale green, shiny, strongly effigurate-maculate, without isidia; soralia marginal or submarginal, linear to subcapitate. Lower surface pale tan to brown, sometimes becoming black at centre; short rhizines extending to lobe margin, simple, rarely branched, 0.2–0.5 mm long; long rhizines c. 2 mm long. Apothecia rare, subpedicellate, 2–5 mm wide; disc perforate, red-brown; thalline exciple rugose, white-maculate, sorediate. Ascospores 10–13 × 7–8 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ yellow-orange; containing atranorin, chloroatranorin, salazinic acid (major) and consalazinic acid. | ||
| A scattered species growing on bark, more rarely on rock, in W.A., Qld, N.S.W. and Vic.; also known from North and South America, Africa, SE Asia and Papua New Guinea. | ||
| Elix (1994y) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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