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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
Canoparmelia texana (Tuck.) Elix & Hale
  Mycotaxon 27: 279 (1986); Parmelia texana Tuck., Amer. J. Sci. Arts, ser. 2, 25: 424 (1858); Pseudoparmelia texana (Tuck.) Hale, Phytologia 29: 191 (1974). T: Blanco, Texas, [U.S.A.], Wright; lecto: FH; isolecto: M, US, fide M.E.Hale, Smithsonian Contr. Bot. 31: 52 (1976). Parmelia exoriens Stirt., Trans. & Proc. New Zealand Inst. 32: 76 (1899). T: Illawarra, N.S.W., 1882, W.Kirton; lecto: BM, fide M.E.Hale, loc. cit. (1976).  
  Thallus adnate to tightly adnate, to 6–12 cm wide. Lobes often imbricate, sublinear to subirregular, crenate or deeply incised, 3–5 mm wide; apices rotund. Upper surface pale grey to ashy white or grey-green, smooth to rugulose, maculate, usually markedly cracked, without isidia; soralia laminal, initially pustulate, becoming punctiform to capitate; soredia coarse, granular, whitish or grey-white. Medulla white. Lower surface black, with brown marginal zone; rhizines sparse to moderately dense, simple, black. Apothecia rare, 2–5 mm wide; disc concave, red-brown to dark brown; thalline exciple sorediate. Ascospores 8–11 × 5–7 µm. Pycnidia rare. Conidia weakly bifusiform, 6–8 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K-, C-, KC-, P-; containing atranorin, chloroatranorin, divaricatic acid (major), nordivaricatic acid (trace) and stenosporic acid (trace).
  A very common species along the east coast of Australia (Qld and N.S.W.), occurring on both bark of trees and on rock; also on Macquarie Is. This species is pantemperate (except for Europe) and pantropical.  
  Elix (1994c)  

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



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