Plant Parasites of Europe

leafminers, galls and fungi

Puccinia milii-effusi

Puccinia milii-effusi Dupias, 1945

on Isopyrum


Aecia orange-yellow, hypophyllous, also on the petioles, cupulate. Infected spots are somewhat thickened and brown above, but the development of the plant is not seriously disturbed.

spermogonia, aecia

Rancunlaceae, monophagous

Isopyrum thalictroides.

on Milium


uredinia epiphyllous, small, without paraphyses; urediniospores brown, spinulose with 5-8 very inconspicuous pores. Telia less than half a mm, blackish brown, hypophyllous, also on the leaf sheaths, permanently covered by the epidermis; at the periphery some brown paraphyses. Teliospores 2-celled, clavate, not constricted; wall smooth, apically somewhat thickened; pedicel short, dark brown.

uredinia, telia

Poaceae, monophagous

Milium effusum.


Several authors take this species as conspecific with, or a variety of, Puccinia recondita.


Brandenburger (1985a: 831), Gäumnn (1959a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).

Last modified 14.xii.2022