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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-05-16); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Sphaerotheca savulescui Sandu, in Sandu-Ville, Mititiuc & Iacob; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells obscure, irregularly polygonal to rounded, ca. 8-20(-25) µm diam., peridium dark;+ascoc. ext. fil. length variable, often short;. Braun U., Beih. Nova Hedwigia 89: 1-700 [111-112] (1987).

Biogeography: Northern hemispheric. Continent: Europe. Country or state(s): Romania and Ukraine.

Ecology: Biotroph; phytopathogenic; growing on leaves, on petioles. Host or Phorophyte Taxonomy: Adonis vernalis L.; Adonis, Ranunculaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, gregarious, (.055)-.06-.09 mm in diam.. Margin: External filaments present; interlaced with each other, mycelioid, straight, .5-3 µm long, 4-9 µm in diameter, hyaline or pigmented (below, paler above,,seldom coloured throughout), few or numerous, 5-15 per mm², growing all across the lower half of the ascocarp, smooth or somewhat rough, thin, not ramified or ramified, not branched (or occasionally irregularly branched), septate.

Asci: 1 asci per ascocarp, not stipitate, 45-65 µm long, 35-50 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 8 per ascus, subglobose or ellipsoid, 14-20 µm long, 9.5-14.5 µm wide; septa absent.

Conidiophores: Euoidium-type; not branched. Conidium Formation: Conidiogenous cells in chains. Conidia: Ellipsoid or cylindrical; macroconidial, not branched, 18-25 µm long, 12-14 µm wide; aseptate; with distintly visible fibrosin body fibrosin bodies.

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