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 | ||
| Parmelia pseudotenuirima Gyeln. | ||
| Repert. Spec. Nov. Regni Veg. 29: 289 (1931). Based on Parmelia tenuirima f. isidiosa Müll.Arg., Bull. Herb. Boissier 4: 90 (1896). T: s. loc., Vic., F.R.M.Wilson 83; lecto: G, fide D.J.Galloway & J.A.Elix, New Zealand J. Bot. 21: 402 (1983). | ||
| Thallus adnate to tightly adnate, to 3–5 cm wide. Lobes contiguous, sublinear to subirregular, short, 1–2 mm wide. Upper surface pale greenish grey to whitish grey, shiny, white-maculate, finely foveolate, becoming reticulately cracked, without soredia; pseudocyphellae mostly laminal, numerous, effigurate, small; isidia very dense on older parts of thallus and obscuring lobes, cylindrical, simple to branched, to 0.3 mm tall, thin, less than 0.05 mm wide, syncorticate. Lower surface moderately rhizinate; rhizines simple to squarrosely branched, 0.5–1 mm long. Apothecia very rare, subpedicellate, 3–6 mm wide; disc concave; thalline exciple warty, isidiate. Ascospores 11–13 × 7–9 µm. Pycnidia rare. Conidia bacilliform, 5.5–6 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then red, C-, P+ red-orange; containing atranorin, chloroatranorin, lobaric acid (minor), salazinic acid (major) and consalazinic acid (minor). | ||
| A common endemic species occurring on trees and dead wood in south-eastern Australia (S.A., N.S.W., A.C.T. and Vic.). | ||
| Elix (1994o) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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