Melampsora ribesii-viminalis Klebahn, 1900

on Ribes

gall

spermogonia epiphyllous, grouped. Aecia generally hypophyllous, without a peridium, on yellow spots that are visible at both sides of the leaf, sometimes in circular groups.

spermogonia, aecia

Grossulariaceae, monophagous

Ribes alpinum, aureum, rubrum, sanguineum, uva-crispa.


on Salix

Melampsora ribesii-viminalis: urediniospores

Salix viminalis, Well (Li): urediniospores

Melampsora ribesii-viminalis: telia on Salix viminalis

telia

gall

uredinia hypophyllous, orange, with clavate paraphyses; spore 14-16 x 15-19 µm, wall thick (2-3 µm). Telia epiphyllous, subcuticular, dark brown pads.

uredinia, telia

Salicaceae, narrowly monophagous

Salix (triandra), viminalis.

synonyms

conceived by some authors as component of one complex species with aecia on a wide range of hosts, and uredinia and telia on Salix: Melampsora epitea.

references

Brandenburger (1985a: 45, 219), Buhr (1965a), Ellis & Ellis (1976), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Kruse (2014a), Negrean (1997a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tykhonenko (2010a), Unamuno (1941b), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

12/05/2017

mod 8.vii.2018