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

Golovinomyces brunneopunctatus (U. Braun) V. P. Gelyuta [2000312]

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 brunneopunctata U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Erysiphe brunneopunctata U. Braun. Type: Erysiphe brunneopunctata U. Braun.

Taxonomic Literature: Taxonomic notes: Persistent secondary mycelium brown, hyphae rather coarse, ca. 5-10.5 µm wide, branched, septate, thin-walled, sometimes moderately thick-walled, separation between hyphae and appendages hardly possible, appendages and secondary mycelium forming a brown felt around the groups of ascocarps, conidia and conidiophores sometimes included in the formation of the secondary mycelium (such conidia and conidiophores are also coloured).+ascocarp outer wall cells irregularly polygonal, rather conspicuous and thick-walled, ca. 10-25(-30) µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [262] (1987).

Biogeography: Northern hemispheric. Continent: Northern America (USA). Country or state(s): Pennsylvania (USA), California (USA), and Utah (USA).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Mimulus guttatus DC.; Mimulus, Scrophulariaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups (the leaves of the hosts appear dotted by small brown spots of ascocarps and secondary mycelium), .09-.135 mm in diam.. Margin: External filaments present; interlaced with each other or interwoven with surrounding mycelium, mycelioid, straight, .5-2.5 µm long, (5)-6-10-(14.5) µm in diameter, pigmented (brown throughout when mature), numerous, growing all across the lower half of the ascocarp or on the upper half of the ascocarp, smooth, thin, not ramified, septate.

Asci: 8-15 asci per ascocarp, distinctly stipitate, (50)-60-80-(95) µm long, 25-40 µm wide; dehiscence unitunicate.

Ascospores: 1–2 to c. 4 per ascus, spores 2-4 per ascus, ellipsoid, ovoid, or sub-cylindrical, 18-32 µm long, 11-18 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Euoidium-type; not branched. Conidium Formation: Conidiogenous cells in chains. Conidia: Ellipsoid or doliiform; macroconidial (germ tubes at an end, moderately long, apex somewhat enlarged), not branched, 28-38 µm long, 13.5-19 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.