Erysiphe krumbholzii U. Braun
Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-03-24); revised.
Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.
Type Information: Basionym: Erysiphe krumbholzii U. Braun. Type: Erysiphe krumbholzii U. Braun.
Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells irregularly polygonal, 10-25.5 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [214] (1987).
Biogeography: Continent: Asia-Temperate. Region(s): Far Eastern Asia. Country or state(s): Japan.
Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Chrysosplenium pilosum Maxim.; Chrysosplenium, Saxifragaceae.
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, (.07)-.08-.115-(.12) mm in diam.. Margin: External filaments present (appendages mostly short, shorter than the cleistothecial diam., only some of them longer); mycelioid, straight, .25-3 µm long, 4-10 µm in diameter, hyaline or pigmented (sometimes, yellowish to brown below and paler upwards), few, growing all across the lower half of the ascocarp, smooth or rough, thin, not ramified, septate.
Asci: 3-6 asci per ascocarp, not stipitate or indistinctly stipitate, 45-65 µm long, 30-45 µm wide; dehiscence unitunicate.
Ascospores: c. 4 per ascus, spores 3-5 per ascus, ellipsoid or ovoid, 15-24 µm long, 10-16 µm wide; septa absent.
Conidiomata: Present; hyphomycetous.
Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid; macroconidial, not branched; aseptate.
(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.