Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Stigmidium lecidellae Triebel, Cl. Roux & Le Coeur

Data Set Maintenance: Data set compiled. Data set author(s): Cáceres M. Data set not revised; not to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Stigmidium. Genus incertae sedis: Stigmidium; of unknown placement (incertae sedis).

Taxonomic Literature: Roux C. & Triebel D., Bull. Soc. Linn. Provence 45: 451-542 [480-481] (1994); Roux C., Treibel D., Bricaud O. & Le Coeur D., Can. J. Bot. 73: 662-672 (1995).

Biogeography: Northern hemispheric, Mediterranean, coastal, colline, and submontane. Continent: Europe. Region(s): Middle Europe, South-western Europe, and South-eastern Europe. Country or state(s): Austria, France (excl. Corsica), Sardinia (Italy), Spain (incl. Andorra & Monaco), and Greece.

Ecology: Biotroph; lichenicolous, endosubstratic. Host or Phorophyte Taxonomy: Lecidella elaeochroma.

Thallus: Indistinct. Upper Surface: Brown (vegetative hyphae hyalin to partially brown near ascomata).

Medulla: Iodine reaction in Lugol's solution positive (strongly BCr+ blue violet intense).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, subglobose (subglobose to oblong), within the ascocarp margin of the host or within the ascocarp disks of the host, not emerging, 42-75 µm wide, 61-90 µm high, with a black surface. Margin: Smooth, black, 5-11 µm wide. Disk: Smooth. Exciple: Hyphae 1-3 µm wide, (2)-5-12 µm long, brown. Periphyses: Present. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed; cells 1-2.5 µm wide. Hypothecium: Brown.

Asci: Clavate or cylindrical (subcylindrical), not stipitate, 22-36 µm long, 8-13 µm wide; ocular chamber present; dehiscence bitunicate (fissitunicate); ascoplasm dextrinoid (endoascus BCr+ pale violet).

Ascospores: Not uniseriate, c. 8 per ascus, spores 8 per ascus, oblong-obtuse or oval, (11)-12-13.8-15-(16) µm long, 3-3.3-4 µm wide, obtuse; septa present, transversally septate, 1-transversally septate; lumina of equal size; wall thin, not constricted where the septum meets the spore wall, remaining hyaline, hyaline, in Lugol's Solution positive (epispore BCr+ pale violet), wall not ornamented.

Conidiomata: Present.

Conidia: Cylindrical; 2-2.5 µm long, .5-1 µm wide.

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.