Uromyces alopecuri Seymour, 1889

on Ranunculus

gall

see Aecidium ranunculi-acris.

spermogonia, aecia

Ranunculaceae, narrowly monophagous

Ranunculus sceleratus.


on Alopecurus

gall

uredinia mainly hypophyllous, also on the sheaths; they are small, orange, soon naked, pulverulent, without paraphyses; urediniospores with 6-8 pores. Telia between the uredinia, greyish black, long covered by the epidermis. Teliospores one-celled, with thin, smooth wall; pedicel brown, persistent, about as long as the spore.

uredinia, telia

Poaceae, monophagous

Alopecurus aequalis, myosuroides, pratensis.

synonyms

Termorshuizen & Swertz consider this species conspecific with U. dactylidis.

references

Gäumann (1959a), Klenke & Scholler (20105a), Liu & Hamilton (2013a), Termorshuizen & Swertz (2011a).

26/10/2016

mod 16.vii.2017