Plant Parasites of Europe

leafminers, galls and fungi

Melampsora medusae

Melampsora medusae von Thümen, 1878

on Abies, Larix, Picea, Pinus, Pseudotsuga

spermogonia, aecia

Pinaceae, oligophagous

not yet found in Europe.

on Populus


urediniospores pear-shaped, spinulose, but with a smooth zone near the equator; here often the wall pf the spore is somewhat thickened.

uredinia, telia

Salicaceae, monophagous

Populus balsamifera, carolinensis, nigra & var. italica, tremuloides.


North American species, found at some occasions in mostly southern Europe. In France it is a quarantaine species (Wikipedia, 2016a).


Brandenburger (1985a: 38), European and Mediterranean Plant Protection Organization (2009a), González-Fragoso (1922a, 1925a), Klenke & Scholler (2015a), Vialle, Frey, Hambleton, Bernier & Hamelin (2011a).

Last modified 2.iii.2019