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 | ||
Phyllopsora breviuscula(Nyl.) Müll.Arg. | ||
Bull. Herb. Boissier 2, App. 1: 45 (1894) Lecidea breviuscula Nyl., Ann. Sci. Nat., Bot.,sér. 4, 19: 339 (1863); — Psora breviuscula (Nyl.) Müll.Arg., Flora 65: 483 (1882); — Phyllopsora parvifolia (Pers.) Müll.Arg. var. breviuscula (Nyl.) Brako, Mycotaxon 35: 15 (1989). T: Monte Verde, Cuba, C.Wright ; lecto: H-NYL 20557, fide T.D.V.Swinscow & H.Krog, Lichenologist 13: 225 (1981); isolecto: BM, O (Lich. Cub. 181).. |
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Thallus squamulose, effuse or forming incomplete circular patches. Prothallus thick, reddish brown. Squamules 0.5–1.0 mm wide, adnate, elongate, contiguous or partly imbricate, soon becoming deeply divided, distinctly convex, green or often with brown patches, glabrous above, pubescent along the margin; isidia and lacinules absent. Upper cortex of type 1–2, 30–70 μm thick. Apothecia common, to 2 mm diam., rounded in outline, solitary or conglomerate, plane to moderately convex, medium brown, with a paler glabrous often indistinct margin. Proper exciple pale brown or with deeper brown patches. Epihymenium medium brown. Hypothecium pale brown in lower parts, medium brown above. Ascospores simple, rather broadly ellipsoidal to fusiform, 9.5–13.0 × 3.5–5.0 μm. Pycnidia not seen. CHEMISTRY: Cortex and medulla K–, C–, KC–, P–, UV–; no lichen substances detected. |
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Known from bark in coastal and hinterland forests in eastern Qld; also in North, Central and South America, Africa and the Mascarene Islands. | ||
Elix (2009h) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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