Puccinia ribesii-diversicoloris Gäumann, 1939

on Ribes

gall

see under Puccinia caricina.

spermogonia, aecia

Grossulariaceae, monophagous

Ribes aureum, nigrum, petraeum, rubrum, sanguineum, uva-crispa.


on Carex

gall

uredinia hypophyllous, light brown, on yellow 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 flacca.

synonyms

many authors consider ribesii-diversicoloris conspecific with, or at best a variety of, P. caricina.

references

Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Maier, Wingfield, Mennicken & Wingfield (2007a), Poelt & Zwetko (1997a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a).

mod 7.viii.2018