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 | ||
| Collema leptaleum Tuck. | ||
| Proc. Amer. Acad. Arts 6: 263 (1866) T: White Mountains, U.S.A., 1852, E.Tuckerman: lecto: FH (herb.Tuckerman), n.v., fide G.Degelius, Symb. Bot. Upsal. 20(2): 101 (1974). *****Collema gwytheri Stirt.in Bailey, Queensland. Agric. J. 5: 484 (1899). T: near Warwick, Qld, G.Gwyther 380; holo: GLAM. |
||
| Thallus to 5 cm wide, crustose to subfoliose, membranous, smooth to irregularly rugose, sometimes fenestrate, matt or glossy, rarely with small isidia-like nodules, olive-green, sometimes bluish green or yellowish brown; margin often finely lobulate; lobules 1–2 mm broad, short, narrow, imbricate or not, flat or caniculate. Apothecia scattered to dense, 1–1.5 mm wide, appressed to sessile with constricted base, sometimes pedicellate; disc flat, matt or glossy, epruinose, pale red to dark red; thalline exciple thin to moderately thick, entire, smooth to rugose, usually not prominent, persistent, sometimes disappearing. Asci 40–65 × 10.5–20 µm. Ascospores 26–50 × 1.5–5 µm, linear-oblong, straight or curved, narrowing towards one or both ends, 4-celled, not constricted at septa. Pycnidia common, to 170 µm wide, laminal and marginal; pycnidial gel hyaline to pale yellow. Conidia 3.5–5 × 1–1.5 µm, straight, slightly swollen towards ends. | ||
| Widely distributed throughout tropical and temperate regions, but rare in Australia (Qld). Grows on bark. | ||
| Filson (1992d) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
This work is copyright. Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission from Australian Biological Resources Study. Requests and inquiries concerning reproduction and rights should be addressed in the first instance to Dr P. McCarthy. These pages may not be displayed on, or downloaded to, any other server without the express permission of ABRS.