Puccinia passerinii Schröter, 1876

on Thesium

gall

No host plant alternation. All phases distributed over the plant. Aecia cupulate, yellowish white. Uredinia rarely formed, blackish brown; urediniospores verrucose, with 1 apical germination pore and 4 equatorial ones. Telia blackish brown, pulverulent, mainly on the older leaves; spores two-celled, finely verrucose, on short, deciduous pedicels.

hostplants

Santalaceae, monophagous

Thesium alpinum, “arvense”, divaricatum, dollineri subsp. simplex, ebracteatum, humifusum, humile, kernerianum, Thesium linophyllon &ammp; subsp. montanum, longifolium, pyrenaicum, rostratum.

references

Brandenburger (1985a: 80), Buhr (1964b), Gäumann (1959a), Gjaerum (1986a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a).

mod 8.xii.2017