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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); — Protoblastenia 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 River, 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, Bot. 2: 46 (1882). T: near Sydney, N.S.W., C.Knight; holo: WELT; iso: H.
Lecidea enteroxantha C.Knight, Trans. Linn. Soc. London, Bot. 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, 0.2–3.0 mm thick, unevenly verruculose, deeply cracked and areolate, to 8 cm wide, lacking soredia and isidia, rarely delimited by a dark grey-brown prothallus. Photobiont cells 8–12 µm wide. Apothecia sessile to subimmersed, irregularly rounded, scattered to crowded, 0.5–0.8 (–1.3) mm wide; 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. Exciple colourless to pale brown, K+ yellow → red. Epihymenium 10–15 µm thick, brown to red-brown, K+ olive-brown. Hymenium 35–55 µm thick, colourless, K–. Hypothecium colourless, 40–80 µm thick, K–; subhypothecium colourless, to 40 µm thick, K+ yellow → red. Paraphyses branched and anastomosing, c. 1.5 µm thick; apices pale orange-brown-pigmented, swollen, 2.5–3.5 µm thick. Asci 30–45 × 10–12 µm. Ascospores oblong-ellipsoidal, 8.5–11.0 × 3–5 µm. Conidia filiform, 14–17 × c. 0.5 µm.
CHEMISTRY: Cortex K+ yellow → red; medulla K+ yellow → red, C–, P+ yellow; containing norstictic acid (major), connorstictic acid (minor or trace).
  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 the N.T.; also in New Zealand, South Africa, the Falkland Islands and Sardinia.  
  Elix (2009e)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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