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

Stigmidium leucophlebiae Cl. Roux & Triebel

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 Data set author(s): Cáceres M. Data set not revised; not to be published after submission.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 [495-496] (1994).

Biogeography: Northern hemispheric. Continent: Europe. Region(s): Northern Europe. Country or state(s): Sweden.

Ecology: Biotroph; lichenicolous, endosubstratic; growing on bryophytes (on mossy rocks). Host or Phorophyte Taxonomy: Peltigera leucophlebia.

Thallus: Indistinct. Upper Surface: Brown (vegetative hyphae pale to medium brown).

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

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, globose, forming inside the thallus or mycelium of the host, not emerging, becoming adnate, abundant, 50-65 µm wide, 55-70 µm high, with a black surface. Margin: Black, 5-10 µm wide. Disk: Smooth. Exciple: Hyphae 1-2.5 µm wide, (2)-4-9 µm long, dark brown. Periphyses: Present. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed; cells 1.5-2 µm wide. Hypothecium: Dark brown.

Asci: Clavate, not stipitate (or shortly stipitate), 30-39 µm long, 13-17 µm wide; ocular chamber present; dehiscence bitunicate (fissitunicate); ascoplasm dextrinoid.

Ascospores: Not uniseriate, c. 8 per ascus, spores 8 per ascus, oblong-obtuse, clavate (subclavate), or oblong, (12)-13.5-14.1-15-(15.5) µm long, 3.5-4.3-5-(5.5) µm wide, obtuse; septa present, transversally septate, 1-transversally septate; lumina of equal size or apically enlarged, constricted at the centre; wall thin, laterally constricted where the septum meets the spore wall, remaining hyaline, hyaline, in Lugol's Solution positive, wall not ornamented.

Conidiomata: Present.

Conidia: Cylindrical; 2.5-3 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.