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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
Pyrenula ravenelii (Tuck.) R.C.Harris

Mem. New York Bot. Gard. 49: 99 (1989)

Pyrenastrum ravenelii Tuck., Amer. J. Sci. Arts, ser. 2, 25: 429 (1858); Parmentaria ravenelii (Tuck.) Müll.Arg., Flora 68: 249 (1885).

T: Santee Canal, South Carolina, U.S.A., H.W.Ravenel 236; lecto: FH-TUCK n.v., fide R.C.Harris, loc. cit.

Verrucaria pyrenastroides C.Knight, Trans. Linn. Soc. London 23: 100 (1860); — Astrothelium pyrenastroides (C.Knight) C.Knight, Trans. & Proc. New Zealand Inst. 8: 322 (1876); — Parmentaria pyrenastroides (C.Knight.) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 78 (1894); — Pyrenula pyrenastroides (C.Knight) D.J.Galloway, New Zealand J. Bot. 42: 115 (2004). T: New Zealand, C.Knight 310a; lecto: BM n.v., fide D.J.Galloway, Fl. New Zealand Lichens 354 (1985).

Bathelium megaspermum var. tasmanicum Jatta, Boll. Soc. Bot. Ital. 1911: 259 (1911); — Laurera megasperma var. tasmanica (Jatta) Zahlbr., Cat. Lich. Univ. 1: 505 (1922). T: Mount Wellington, Tas., W.A.Weymouth; holo: NAP n.v.

  Thallus brownish to olive-green, lacking pseudocyphellae or with minute whitish pseudocyphellae, corticate. Ascomata solitary, or usually 2–4 with fused ostioles, flask-shaped, immersed to erumpent from the substratum, often almost completely covered by the thallus, c. 0.6–1.0 mm diam. Ascomatal wall with crystals, to 200 μm thick; ostiole lateral, pale. Hamathecium not inspersed with oil droplets, IKI+ orange. Ascospores 8 per ascus, irregularly biseriate, muriform, with c. 8–10 rows of c. 3–8 locules, fusiform, with rounded ends, grey to brown, 45–70 × 18–28 μm; lumina rounded to somewhat angular.
CHEMISTRY: No substances detected.
  Occurs in eastern Qld, Vic. and Tas.. Mainly pantropical and usually in upland forest; also in temperate, oceanic habitats.  
  Aptroot (2009c)  

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

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