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 | ||
| Peltula patellata (Bagl.) Swinscow & Krog | ||
| Norweg. J. Bot. 26: 221 (1979); Acarospora patellata Bagl., Nuovo Giorn. Bot. Ital. 7: 245 (1875). T: "Abissinia settentrionale, paese dei Bogos, Abita, Keren, sul Mte Deban fra i 4500 e i 5500 p.", [Ethiopia], 1870, O.Beccari 74; holo: FI. ***** Heppia australiensis Müll.Arg., Hedwigia 5: 193 (1892); Peltula australiensis (Müll.Arg.) Filson, in R.B.Filson & R.W.Rogers, Lichens S. Australia 149 (1979). T: Everard Ranges, W.A., R.Helms 35; holo: G. | ||
| Thallus squamulose; squamules orbicular to somewhat angular or lobulate, to 4 mm wide, pale brown to olive-brown or greyish green, dull, anchored by a tuft of hyphae; margin smooth, thickened and upturned. Upper cortex absent; epinecral layer yellowish brown. Medulla paraplectenchymatous, with numerous air spaces; photobiont layer c. 60–120 µm thick. Lower cortex 30–40 µm thick, comprising 2–8 layers of isodiametric cells. Apothecia immersed, 1–20 per squamule, with a raised rim when mature; disc to 1 mm diam., yellowish to reddish brown; hymenium at first blue in iodine, then becoming wine-red; epihymenium K+ red to violet, sometimes K–. Asci obclavate; ascus wall orange in iodine, blue after pretreatment with KOH. Ascospores more than 100 per ascus, subglobose to globose, 3–8 (–9) × 3–6 µm. Pycnidial structure not known; conidia fusiform, 3.7–4.3 × 1.2–2.8 µm. |  |
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| Occurs in W.A., N.T., S.A., Qld and N.S.W.; grows on soil (especially with a high calcium content) in desert and other arid habitats. Also in south-western and north-central North America, central Mexico and southern Europe, Africa, Cape Verde Is. and India. | ||
| Büdel (2001) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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