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

Erysiphe sepulta Ellis & Everh.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-03-27); revised.

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

Type Information: Basionym: Erysiphe sepulta Ellis & Everh. Type: Erysiphe sepulta Ellis & Everh.

Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells obscure, irregularly shaped, 5-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [231-232] (1987).

Biogeography: Northern hemispheric. Continent: Northern America (USA, western states, Calif. to Colo., Wyo. Mont.). Country or state(s): Colarado (USA), Montana (USA), Wyoming (USA), and California (USA).

Ecology: Biotroph; phytopathogenic; growing on stems or leaves, amphigenous. Host or Phorophyte Taxonomy: Chrysothamnus nauseosus (Pall. ex Pursh) Britton; Chrysothamnus, Compositae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, not emerging (in the pannose tomentum of the host plant), in loose groups or gregarious, .1-.22 mm in diam.. Margin: External filaments present (very short, sometimes poorly developed); mycelioid, straight, 5-7.5 µm in diameter, hyaline or faintly pigmented (in the lower half), few (sometimes poorly developed) or numerous, growing all across the lower half of the ascocarp, thin, not ramified, septate.

Asci: 20-40 asci per ascocarp, distinctly stipitate, 60-100 µm long, 25-45 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores (3)-4-6-(8) per ascus, ellipsoid or ovoid, 16-26 µm long, 10-15 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid (rarely; 6: rarely), ovoid, doliiform, or cylindrical; macroconidial, not branched, 24-34 µm long, 13-17 µm wide; 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.