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 | ||
| Ramboldia petraeoides (Nyl. ex C.Bab. & Mitt.) Kantvilas & Elix | ||
| Bryologist 97: 298 (1994); Lecidea petraeoides Nyl. ex C.Bab. & Mitt., in J.D.Hooker, Fl. Tasman. 2: 352, tab. CC, fig. D (1859); Protoparmelia petraeoides (Nyl. ex C.Bab. & Mitt.) Hertel, Beih. Nova Hedwigia 79: 452 (1984); Pyrrhospora petraeoides (Nyl. ex C.Bab. & Mitt.) Hafellner, Herzogia 9: 733 (1993). T: St. Patricks R., Tas., R.C.Gunn; holo: BM; iso: H. ****Lecidea aspidula Kremp., Verh. K.K. Zool.-Bot. Ges. Wien, B, 30: 341 (‘1880’) [1881]. T: Rockhampton, Qld, A.Thozet; holo: M; iso: MEL. ****Lecidea diaphaenenta C.Knight, Trans. Linn. Soc. London, ser. 2, 2: 46 (1882). T: near Sydney, N.S.W., C.Knight; holo: WELT; iso: H. ****Lecidea enteroxantha C.Knight, Trans. Linn. Soc. London, ser. 2, 2: 46 (1882). T: near Sydney, N.S.W., C.Knight; holo: WELT. ****Lecanora phaeocarpa Müll.Arg., Flora 70: 321 (1887). T: near Sydney, N.S.W., 1880, C.Knight; holo: H. | ||
| Thallus pale to dark brown, irregularly convex, unevenly verruculose, deeply cracked and areolate, esorediate, rarely delimited by a dark grey-brown prothallus. Photobiont cells 8–12 µm wide. Apothecia irregularly roundish, dispersed or crowded, 0.5–0.8 mm wide, occasionally to 1.3 mm, sessile to subimmersed; disc red-brown to dark brown, ±glossy, epruinose, plane to subconvex; margin thin, entire or flexuose, red-brown, ±persistent, but typically becoming inconspicuous in older apothecia. Epithecium 10–15 µm thick, brown to red-brown, K+ olive-brown. Excipulum hyaline to pale brown, K+ yellow → red. Hymenium 35–55 µm thick, hyaline, K–. Paraphyses branched and anastomosing, c.1.5 µm thick; apices swollen, pale orange-brown, 2.5–3.5 µm thick. Hypothecium hyaline, 40–80 µm thick, K–; subhypothecium hyaline, to 40 µm thick, K+ yellow → red. Asci 30–45 × 10–12 µm. Ascospores oblong-ellipsoidal, 8.5–11.0 × 3–5 µm. Pycnidia immersed. Conidia filiform, 14–17 × c. 0.5 µm. CHEMISTRY: Cortex K+ yellow → red; medulla K+ yellow → red, C–, Pd+ yellow; containing norstictic acid (major) and connorstictic acid (minor or trace). |  |
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| Common on a wide variety of siliceous rock types in sunny, exposed habitats from sea-level to alpine elevations. Occurs in all States and Territories except N.T.; also in New Zealand, South Africa and Sardinia. | ||
| Elix (2004d) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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