Puccinia chondrillae Corda, 1840

on Lactuca

Puccinia chondrillae: spores

Lactuca muralis, from González Fragoso (1924a): urediniospores and teliospores

gall

Aecia, uredinia and telia hypophyllous. Aecia often mixed with spermogonia, on strongly discoloured spots, deeply sunken in a pustule, opening by a pore. Uredinia cinnamon brown, soon naked, pulverulent; spores with 3-4(5) germination pores, each one capped by a hyaline papilla. Telia blackish brown; spores two-celled, ovoid, verruculose, on a short pedicel.

host plants

Asteraceae, narrowly oligophagous

Lactuca alpina, muralis, perennis, quercina, sativa, serriola, viminea.

Not on Chondrilla!

references

Blumer (1946a), Brandenburger (1985a), Gäumann (1959a), González Fragoso (1924a), Jage, Klenke, Kruse ao (2016a), Klenke & Scholler (2015a), Losa España (1942a), Ludwig (1974a), Marková & Urban (1988a), Pellicier (2001a), Termorshuizen & Swertz (2011a).

mod 11.vii.2019