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 | ||
| Placidium lacinulatum (Ach.) Breuss | ||
| Ann. Naturhist. Mus. Wien 98B, Suppl.: 39 (1996). Endocarpon hepaticum ß lacinulatum Ach., Lichenogr. Universalis 299 (1810). T: Helvetia [Switzerland], Schleicher; lecto: H-ACH 853, fide O.Breuss, Stapfia 23: 92 (1990). | ||
| Squamae closely appressed or with upturned margins, solitary or, more commonly, contiguous and with slightly overlapping margins, round to irregular, entire to deeply lobate, pale to dark brown, 3–8 mm wide, 0.3–0.5 mm thick. Lower surface pale, anchored by a rhizohyphal mat and whitish or pale brown rhizines; rhizines few to many per squama, sparingly branched, 0.05–0.3 mm thick, to 15 mm long. Perithecia to 0.65 mm diam. Exciple hyaline to pale brown, dark near the ostiole. Periphyses 25–35 µm long. Asci 65–80 × 12–17 µm. Ascospores ellipsoidal, 12–16 × 5.5–7.5 µm. Pycnidia laminal, immersed, appearing as black dots. Conidia oblong-ellipsoidal, 3–4 µm long. |  |
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| Rather common in N.T., S.A. and N.S.W.; grows mostly on fine-grained soil. Cosmopolitan in arid and semi-arid regions. | ||
| Breuss (2001c) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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