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 endochrysina Nyl. | ||
Lich. Japon. 34 (1890) T: Hirosima [Hiroshima], Japonia [Japan], 1879, E.Almquist s.n.; lecto: H-NYL 31782 n.v., fide T.D.V.Swinscow & H.Krog, Norweg. J. Bot. 22: 54 (1975). |
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| Thallus 3–8 cm wide, adnate to loosely adnate, subdichotomously lobate. Lobes radiating, contiguous to imbricate, plane to slightly concave, 0.6–1.3 mm wide, subrotund to truncate at the apices. Upper surface yellowish grey to brownish grey, lead grey or blue-grey, distinctly pruinose, the pruina punctiform towards the lobe apices; dactyls and soredia absent. Pseudocyphellae distinct at the margins, often grey-pruinose and becoming reticulate. Isidia marginal, nodulose to squamulose or lobulate, not branched, fragile and readily eroded, not sorediate. Medulla lemon-yellow to yellow-brown or yellow-orange above; lower part white. Lower surface black in the centre, paler towards the margin; rhizines ±dense, black to blue-black, furcate. Apothecia very rare, obscurascens-type, 0.5–1.5 mm wide; disc epruinose. Internal stipe distinct; upper part dark orange, K+ crimson, P–; lower part whitish, K–, P–. Ascospores 14–19 × 6–8 μm. Conidia bacilliform, 3–4 × c. 1 μm. CHEMISTRY: Cortex K+ yellow or K–, C–, KC–, P+ pale yellow or P–, UV–; medulla K–, C–, P–; containing atranorin (minor or trace), chloroatranorin (trace), unknown terpenes (major), unknown pigment (minor). |
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| Very rare on rock in hinterland rainforest in eastern Qld. Also in Africa, Asia and Micronesia. | ||
| Elix (2009l) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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