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 | ||
Pyrenula astroidea (Fée) R.C.Harris | ||
Mem. New York Bot. Gard. 49: 87 (1989) Parmentaria astroidea Fée, Essai Crypt. Écorc. 70 (1825). T: America, coll. unknown; syn: PC n.v. Parmentaria baileyana Müll.Arg., Hedwigia 30: 54 (1891) [often as baileyi]. T: Bellenden Ker, Qld, F.M.Bailey 543 p.p.; iso: BRI. |
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Thallus yellowish to olive-green, lacking pseudocyphellae, corticate. Ascomata occasionally solitary, but usually in groups of 2–7 with fused ostioles, flask-shaped, erumpent from the substratum, mostly covered by the thallus, occasionally completely exposed, c. 0.5–1.0 mm diam. Ascomatal wall with crystals, to 100 μm thick; ostiole lateral, pale. Hamathecium not inspersed with oil droplets, IKI+ orange. Ascospores 8 per ascus, irregularly uniseriate, grey to brown, muriform, with c. 8 rows of c. 3–8 locules, fusiform, with rounded ends, 35–45 ´ 12–18 μm; lumina rounded to somewhat angular. CHEMISTRY: No substances detected. |
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Apparently rare in north-eastern Qld; an earlier record from N.S.W. proved to be erroneous. Pantropical, mostly in lowland forest. | ||
Aptroot (2009c) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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