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Golovinomyces sordidus (L. Junell) V. P. Gelyuta [2000067]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-02-22); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Erysiphe sordida L. Junell; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Erysiphe sordida L. Junell. Type: Erysiphe sordida L. Junell.

Taxonomic Literature: Taxonomic notes: +conidiophores erect, foot-cells straight or mostly with curved basal half, followed by 1-3 shorter cells;+appressoria nipple-shaped;+ascocarp outer wall cells obscure, irregularly shaped, ca. 8-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [255-256] (1987); Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Africa, Asia-Temperate (nearly all Asia), Europe, Northern America, and Asia-Tropical. Region(s): Northern Africa, Southern Africa, Siberia, Middle Asia, and China. Country or state(s): Denmark, Finland, Faeroe Islands (Denmark), United Kingdom, Norway, Sweden, Austria, Benelux (Belgium & Luxembourg), former Czechoslovakia (incl. Czech Republic & Slovacia), Germany, Netherlands, Poland, Switzerland (incl. Liechtenstein), France (excl. Corsica), Portugal, Spain (incl. Andorra & Monaco), Bulgaria, Greece, Italy (incl. San Marino & The Vatican City, excl. Sicily, Sardinia), Romania, European Turkey, Former Yugoslavia [incl. Bosnia and Herzegovina, Croatia, Macedonia, Moldova, Serbia and Montenegro, Slovenia], Belarus, Baltic States (Estonia, Lithuania, Latvia), and Ukraine; Japan and Taiwan; India and Pakistan; British Columbia (Canada), Nova Scotia (Canada), Ontario (Canada), Quebec (Canada), Colarado (USA), Idaho (USA), Montana (USA), Washington (USA), Wyoming (USA), Illinois (USA), Iowa (USA), Missouri (USA), North Dakota (USA), Nebraska (USA), Oklahoma (USA), South Dakota (USA), Wisconsin (USA), Connecticut (USA), Massachusetts (USA), New Jersey (USA), New York (USA), Ohio (USA), Pennsylvania (USA), West Virginia (USA), California (USA), Utah (USA), Texas (USA), Georgia (USA), Maryland (USA), Mississippi (USA), North Carolina (USA), Virginia (USA), and District of Columbia (USA).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Plantago major L.; Plantago, Plantaginaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered (sometimes) or gregarious, (.085)-.09-.13-(.145) mm in diam.. Margin: External filaments present; interlaced with each other or interwoven with surrounding mycelium, mycelioid, straight, .5-1.5 µm long, (4)-5-9-(10) µm in diameter, pigmented (brown throughout when mature, sometimes paler upwards), numerous, growing all across the lower half of the ascocarp, smooth or somewhat rough, thin, not ramified or ramified (rarely), irregular, septate.

Asci: (5)-8-20 asci per ascocarp, distinctly stipitate, (45)-50-80 µm long, (25)-30-45 µm wide; dehiscence unitunicate.

Ascospores: 1–2 or c. 4 per ascus, spores 2-(4) per ascus, subglobose, ellipsoid, or ovoid, 18-28-(31) µm long, 11-17 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Euoidium-type; not branched; basal cells 40-80 µm long, 10-14 µm wide. Conidium Formation: Conidiogenous cells in chains. Conidia: Ellipsoid, doliiform, or cylindrical; macroconidial (germ tubes at an end, simple, relatively short, somewhat clavate), not branched, 25-40 µm long, 13-20 µm wide; aseptate.

(report generated 04.Okt.2007)

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