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 | ||
| Pyxine farinosa Kashiw. | ||
Bull. Natl. Sci. Mus. Tokyo, B, 3: 67 (1977) T: Yap Island, Caroline Islands, Micronesia, F.Fujikawa 52; holo: TNS n.v. Pyxine linearis R.W.Rogers, Austral. J. Bot. 34: 143 (1986); Pyxine retirugella f. sorediosa Müll.Arg., Bull. Herb. Boissier 4: 91 (1896). T: Qld. locality unknown, 1887, C.Knight 16; lecto: G n.v., fide R.W.Rogers, loc. cit. |
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| Thallus 2–5 cm wide, adnate, subdichotomously lobate. Lobes radiating, discrete to imbricate, plane to slightly convex, 0.3–1.2 mm wide, subtruncate at the apices. Upper surface white to yellowish white or yellowish grey, sparsely pruinose at the lobe tips or epruinose; dactyls and isidia absent. Pseudocyphellae ±distinct, marginal and laminal, irregular or becoming reticulate. Soralia laminal or occasionally apical, orbicular, subglobose; soredia farinose, white to yellow-white. Medulla pale yellow to yellow-orange. Lower surface black in the centre, paler towards the margin; rhizines ±dense, furcate. Apothecia rare, obscurascens-type, 0.5–2.0 mm wide; disc epruinose. Internal stipe distinct, white, K–, P–. Ascospores 13–17 × 6–8 μm. Pycnidia not seen. CHEMISTRY: Cortex K+ yellow, C–, KC–, P+ yellow, UV–; medulla K–, C–, KC–, P–; containing atranorin (minor), chloroatranorin (minor), unknown terpenes (minor), unknown pigment (minor). |
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| Corticolous in coastal and hinterland forests in northern N.T. and eastern Qld. Also in South and East Asia, Papua New Guinea and Micronesia. | ||
| Elix (2009l) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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