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 | ||
| Haematomma stevensiae R.W.Rogers | ||
| Lichenologist 14: 128 (1982). T: Eimeo Beech Ck, Sunset Beach, near Mackay, Qld, on bark of Rhizophora, 14 Aug. 1976, G.N.Stevens 2970; holo: MEL, n.v. | ||
| Thallus white to cream-coloured, yellow-grey to greenish grey, weakly to distinctly rugulose, ±rimose and areolate, 0.3–0.5 mm thick, corticate, esorediate. Apothecia sessile to subpedicellate, 1.0–2.5 mm wide, not confluent; disc orange to orange-red, epruinose; thalline margin prominent, thin, smooth to weakly crenulate. Ascospores fusiform, straight or slightly curved, 7–9 (–11)-septate, 40–60 × 3.5–5.5 µm. Conidia not seen. CHEMISTRY: Thallus K+ yellow, C–, KC–, Pd+ yellow; disc K+ red; containing atranorin, sphaerophorin (major), isosphaeric acid (minor) and russulone (minor). |  |
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| Endemic in mangroves and humid forest in north-eastern Qld; grows on the bark of Brachychiton, Bruguiera, Excoecaria, Rhizophora and Tristania. | ||
| Elix (2004c) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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