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 | ||
Xanthoparmelia hypoleiella Elix | ||
Mycotaxon 65: 488 (1997). T. Western Australia. Coolgardie, 30°57'S, 121°09'E, 350 m, on rock, H. A. Morrison; holo: MEL 1026882. ****Xanthoparmelia hypoleia (Nyl.) Hale, Phytologia 28: 487 (1974) [Australian records]; Parmelia hypoleia Nyl., Syn. Meth. Lich. 1: 393 (1860) [Australian records]. | ||
Thallus foliose, adnate, to 5–8 cm wide. Lobes imbricate or not, flat, sublinear-elongate, subdichotomously to irregularly branched, 0.5–1.5 (–3) mm wide. Upper surface yellow-green, blackening with age, shiny, with distinct or effigurate maculae, lacking isidia and soredia; older lobes becoming rugulose and developing transverse cracks; lobes often black-margined, particularly towards apices. Medulla white. Lower surface black; rhizines moderately dense, simple, tufted or not, robust, 0.5–1.5 mm long, black. Apothecia shortly pedicellate, 3–6 mm wide; disc concave, dark brown; thalline exciple maculate, thick, entire and involute, becoming dentate and cracked. Ascospores 6–8 × 4–5 µm. Pycnidia common. Conidia bifusiform, 6–7 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ pale yellow then brown, C-, P+ orange-red; containing usnic acid, protocetraric acid and ±virensic acid (trace). | ||
Rare in coastal and temperate hinterland zones of south-western W.A. Grows on rock. | ||
Elix (1994z, 1997b) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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