Puccinia ribis-nigri-lasiocarpae Hasler, 1930

on Ribes

gall

. see under Puccinia caricina.

spermogonia, aecia

Grossulariaceae, monophagous

Ribes aureum, nigrum, petraeum, rubrum.


on Carex

gall

uredinia hypophyllous, light brown, on yelow spots. Urediniospores with 3(4) equatorial pores, wall thickness 1-2µm. Telia blackish brown. Teliospores 2-celled, almost without constriction clavate, narrowing into the pedicel; wall smooth, apical part of top cell moderately thickened; pedicel hyaline, up to half as long as the spore.

uredinia, telia

Cyperaceae, narrowly monophagous

Carex lasiocarpa.

synonyms

many authors, and also the Index Fungorum (2016) consider ribis-nigri-lasiocarpae conspecific with, or at best a variety of, P. caricina.

references

Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).

04/11/2016

mod 16.vii.2017