Puccinia geranii-silvatici Karsten, 1869

on Geranium

gall

No host plant alternation, telia only. They are small, soon naked, pulverulent, in very dense groups, often on galled parts of the leaf or petiole. Spores two-celled, especially the apical one with verrucose surface; apically a low hyaline papilla; pedicel up to 50 µm, deciduous.

host plants

Geraniaceae, monophagous

Geranium albanum, albiflorum, cinereum, collinum, dissectum, nepalense, pratense, pseudosibiricum, rivulare, rotundifolium, sylvaticum.

notes

arctic-alpine species.

references

Blumer (1946a), Brandenburger (1985a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a), Kruse (2019a), Melzer, Pittoni, Poelt & Scheuer (1984a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Tomasi (2003a, 2014a).

mod 28.vii.2019