Uromyces poae-alpinae Rytz, 1910

on Ranunculus

gall

See Aecidium ranunculi-acris.

spermogonia, aecia

Ranunculaceae, narrowly monophagous

Ranunculus montanus.


on Poa

gall

uredinia small, brown, amphigenous, long covered by the epidermis, without paraphyses; urediniospores short-elliptic with 2-3 difficult visible germination pores. Telia, black, develop from the uredinia; between the spores hyaline paraphyses; teliospores one-celled, 14-18 x 17-25 µm.

uredinia, telia

Poaceae, narrowly monophagous

Poa alpina.

synonyms

Nielsenia poae-alpinae (Rytz) Sydow, 1921. Often considered conspecific with U. dactylidis.

references

Blumer (1946a), Brandenburger (1985a), Buhr (1965a), Gäumann (1959a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Schmid-Heckel (1985a).

mod 12.viii.2018