Plant Parasites of Europe

leafminers, galls and fungi

Hyalopsora aspidiotus

Hyalopsora aspidiotus (Peck) Magnus, 1901

on Abies


spermogonia on yellow spots of first-year needles. Aecia on yellowing needles. Aeciospores 21-14 x 16-19 µm, contents yellow, wall hyaline, thin, warty.

spermogonia, aecia

Pinaceae, monophagous

Abies alba, balsamea.

on Gymnocarpium


uredinia hypophyllous, yellow, initially covered by the epidermis and the peridium, naked later. Urediniospores with a striking variation in thickness of the wall. Teliospores are formed in clusters of 2-7 within the epidermis cells of the host plant.

uredinia, telia

Woodsiaceae, monophagous

Gymnocarpium dryopteris, robertianum.


Brandenburger (1985a: 7, 14), Dietrich (2013a), Doppelbaur (1973a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Ludwig (1974a), Poelt (1986a), Poelt & Zwetko (1997a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Wilson & Henderson (1966a).

Last modified 2.vii.2020