Preliminary version 1 July 2012
Ramalina lacera (With.) J. R. Laundon
Basionym:
Synonym: Index Fungorum
Type:
Thallus: consisting in a single lobe or several tufted lobes, erect of pendent to partly decumbent; branches strap-like, flattened, concolorous or lower side paler, often with indented margins, with or without twisted and deformed marginal prolongations; surface matt, often more or less peeling, smooth or with a coarese reticulum of anastomosing ridges. Medulla dense, without prosoplectenchymatous tissue. Soralia laminal and marginal; soredia 20 - 40 µm diameter, farinose, derived from medulla, forming more or less ulcerose patches. Apothecia not known (Purvis et al. 1992: 527).
Chemistry: Cortex with usnic acid. Pd -, K -, KC -, C -, UV -. Indolyl-3-acetic acid (Epstein et al. 1986: , Huneck & Yoshimura 1996: 128), Bourgeanic acid (Purvis et al. 1992: 527). Ethylene (Huneck & Yoshimura 1996: 137).
Ecology: mainly corticolous, rarely saxicolous near the coast
Molecular data: Genbank
Distribution: Database
Note:
