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 roderickii (Elix & J.Johnst.) Elix | ||
Mycotaxon 87: 401 (2003) Paraparmelia roderickii Elix & J.Johnst., Mycotaxon 32: 407 (1988). T: Mt French National Park near Boonah, Qld, 24 Oct. 1985, R.W.Rogers 8632; holo: MEL. |
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Thallus foliose, adnate to tightly adnate, forming irregular patches to 10 cm wide. Lobes crowded and imbricate, flat, irregular to sublinear, irregularly branched, 1–3 mm wide; apices subrotund. Upper surface pale ash grey, flat, becoming dull, emaculate, smooth but developing transverse cracks, becoming rugose and occasionally areolate, lacking soredia and isidia; lobe apices shiny, black-margined. Lower surface black, brown-black at lobe apices; rhizines sparse to moderately dense, robust, simple, tufted or not, to 0.5 mm long, black. Apothecia sessile, to 5 mm wide; disc concave becoming ±flat or undulate, dark brown; thalline exciple thin, involute, becoming undulate. Ascospores spuriously monoseptate (containing oil droplets), 8–9 × 3.5–4.5 µm. Pycnidia minute, immersed, punctiform. Conidia 5.5–6.5 × 1–1.5 µm. CHEMISTRY: cortex K+ yellow; medulla K+ pale yellow-brown, C-, P+ brick red; containing atranorin, fumarprotocetraric acid (major), succinprotocetraric acid (trace) and protocetraric acid (trace). | ||
At present this rare endemic species is known only from the type locality in southern Qld. | ||
Elix (1994n) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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