Plant Parasites of Europe

leafminers, galls and fungi

Uredinopsis struthiopteridis

Uredinopsis struthiopteridis Störmer, 1895

on Abies


Spermogonia at the underside of the current year needles, subepidermal, colourless. There also in two rows the aecia, up to 0.2 mm wide and 1 mm high, white, fragile.

spermogonia, aecia

Pinaceae, monophagous

Abies alba, balsamea, sachalinensis var. mayriana.

on Onoclea


uredinia hypophyllous, mostly sub-epidermal. The urediniospores are extruded as a thread; they are short-stalked elliptic, distally tapering into a sharp beak. A second type of uredionospores is long-stalked and pyriform. The more or less globular, usually 4-celled teliospores are formed below the epidermis, scattered in the leaf mesophyll.

uredinia, telia

Onocleaceae, monophagous

Onoclea struthiopteris.


Brandenburger (1985a: 7, 16), Eichhorn (1941a), Gäumann (1959a), Klenke & Scholler (2015a), Poelt (1986a), Termorshuizen & Swertz (2011a).

Last modified 3.v.2019