Llimoniella
Type : * Llimoniella scabridula (Müll.Arg.) Nav.-Ros. & Hafellner [* Lecidea scabridula Müll.Arg.]
Description : Lichenicolous, commensalistic. Ascomata apothecia black, sessile to short-pedicellate, marginate, disc plane, subconcave to convex. Exciple of dark, thick-walled, catenate, ±isodiametric cells, the outer cells often enlarged or swollen (best seen in C), without hairs or periphysoids, reddish to purplish brown. Hypothecium hyaline. Hymenium hyaline KI−; epithecium purplish. Pigments (1) reddish to purplish brown, K+ violaceous, or greyish brown, in exciple and epithecium; (2) pale olivaceous, usually obscured by darker purplish pigment, K+ bright-green, N−, in exciple and hymenium; (3) yellowish or orange, K−, N+ bright-orange, in excipular and epithecial gels. Hamathecium of paraphyses, simple or apically branched, indistinctly swollen at apices, without pigments, separating readily in K. Asci clavate, thin-walled, scarcely thickened apically KI−, 8-spored. Ascospores colourless, 0–3-septate, 1–2–multi-guttulate. Conidiomata pycnidia (known only in one species, L. vinosa), globose, erumpent, wall reddish brown, apically greenish brown. Conidiogenous cells phialidic, colourless. Conidia colourless, bacillar.
Limoniella was described to accommodate two European taxa (Hafellner & Navarro-Rosinés 1993). Presently six species are known in the genus (Kirk et al. 2001), which is included in the Helotiales incertae sedis (Diederich & Etayo 2000; Lawrey & Diederich 2003; Eriksson et al. 2004; Pennycook & Galloway 2004; Eriksson 2005). It is highly likely that one species at least occurs in New Zealand.
