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Phyllactinia hippophaës Thüm. ex S. Blumer

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-08-02). Data set reviewer(s): Schubert K. (06-04-05); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Phyllactinia hippophaës Thüm. ex S. Blumer. Type: Phyllactinia hippophaës Thüm. ex S. Blumer.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells obscure, irregularly polygonal, ca. 8-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [593-594] (1987); Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Asia-Temperate (Central Asia) and Europe. Country or state(s): Austria, Germany, Hungary, Netherlands, Switzerland (incl. Liechtenstein), France (excl. Corsica), Italy (incl. San Marino & The Vatican City, excl. Sicily, Sardinia), Crimea (Ukraine), and Ukraine; Kazakhstan, Kyrgyzstan, and Uzbekistan.

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous (inconspicuous). Host or Phorophyte Taxonomy: Hippophae rhamnoides L.; Hippophae, Elaeagnaceae.

Reproduction Strategy: With sexual (and possible asexual) stages (hypophyllous). Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered, .245-.31 mm in diam.. Margin: External filaments present (basal swelling ca. 40-55 µm diam.); not interlaced, straight, 1 µm long, few or numerous, 8-15 per mm², stiff and straight, not ramified.

Asci: 20-35-40 asci per ascocarp, distinctly stipitate, 60-90 µm long, 25-40 µm wide; dehiscence unitunicate.

Ascospores: 1–2 per ascus, spores 2 per ascus, 20-45 µm long, 15-25 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Ovulariopsis-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Nearly cylindrical (often; oblong, somewhat angular, or with constricted central parts); macroconidial, not branched, rounded at both ends, 50-65 µm long, 16-19 µm wide; aseptate.

(report generated 04.Okt.2007)

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