Leveillula lactucarum (Durrieu & Rostam, 1984

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

hostplants

Chondrilla, Lactuca

gall

mycelium white, generally dense, felt-like, amphigenous, persistent; partly internal. Conidia single. The first conidium formed is lanceolate-cylindrical, later ones are elliptic. Conidiophores long and thin. Cleistothecia contain up to 14-40 asci, that have two spores. Appendages mosty numerous, mycelioid, attached below the equator, shorter than the diameter, sometimes hardly branched, in other cases stronger branching, even coralloid.

hostplants

broadly polyphagous

Chondrilla ambigua, juncea; Lactuca orientalis, tatarica, viminea.

Braun (1995a) lists several more plant genera, but that is repealed by Braun & Cook (2012a).

references

Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a).

13/11/2015

mod 17.vii.2017