Puccinia silvatica Schröter, 1879

on Asteraceae

gall

spermogonia honey-coloured, in dense groups. Aecia hypophyllous in dense circles around the spermogonia; they are cupulate with white, outwards curved peridium segments. Locally the leaf is more or less swollen and coloured yellow or reddish, also at the upperside.

spermogonia, aecia

Asteraceae, oligophagous

Arctium lappa, nemorosum; Senecio nemorensis; Taraxacum officinale.

Occasionally also Crepis biennis, Doronicum austriacum.


on Carex

Puccinia silvatica: urediniospore, teliospores

Carex leporina, from González Fragoso (1924a): teliosporen and an urediniospore

gall

uredinia hypophyllous, bright rust-coloured, on yellow leaf spots; urediniospores with two pores above the equator. Telia blackish brown, hypophyllous, pulvinate, long covered by the epidermis. Teliospores two-celled, slender, with a smooth, thin wall, that apically is clearly thickened. Pedicel short, persistent.

uredinia, telia

Cyperaceae, narrowly monophagous

Carex arenaria, brizoides, flacca, leporina, pallescens, panicea, paniculata, praecox, repens, stenophylla.

Losa Quintana added: “Carex oederi Retz.”, according to ThePlantList a synonym of C. pilulifera.

synonyms

Puccinia dioicae var. silvatica Schröter (Henderson, 1961).

many authors, including Termorshuizen & Swertz, and also the Index Fungorum (2016) consider this species conspecific with Puccinia dioicae, or a variety of it.

parasite

Tuberculina persicina.

references

Brandenburger (1985a), Buhr (1964b, 1965a), Dauphin & Aniotsbehere (1997a), Doppelbaur & Doppelbaur (1968a, 1973a), Gäumann (1959a), Gjaerum (1982a), González Fragoso (1924a), Hafellner (1980a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a), Kummer (2012a), Losa Quintana (1972a), Maier, Wingfield, Mennicken & Wingfield (2007a), Poelt & Zwetko (1997a), Roskam (2009a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a).

mod 2.viii.2018