Plant Parasites of Europe

leafminers, galls and fungi

Chrysomyxa pyrolae

Chrysomyxa pyrolae Rostrup, 1881

on Picea


Spermogonia and aecia on outside of the cone scales. The aecia are pad-like, white or yellow, coalescing to one cm large; spores orange.

spermogonia, aecia

Pinaceae, monophagous

Picea abies, engelmannii, glauca, mariana, obovoata, pungens, rubens.

on Pyrola

Chrysomyxa pyrolae: urediniospores

Pyrola rorundifolia. from González-Fragoso (1925a): urediniospores


uredinia hypophyllous, often occupying the entire leaf, yellow to orange. Urediniospores in chains, 21-28 x 18-21 µm, wall colourless, conspicuously warty. Telia much rarer, hypophyllous, in orange to blood red waxy pads. Teliospores 14-26 x 7-10 µm, in long chains.

uredinia, telia

Ericaceae, narrowly oligophagous

Orthilia secunda; Pyrola asarifolia subsp. americana, chlorantha, elliptica, media, minor, rotundifolia.


Chrysomyxa pirolata (Körnicke) Winter, 1884.


Ramularia coleosporii.


Blumer (1946a), Brandenburger (1985a: 20, 462), Buhr (1965a), Feau, Vialle, Allaire, Maier & Hamelin (2011a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Klenke & Scholler (2015a), Kruse (2019a [“pyrolata”]), Nierhaus-Wunderwald (2000a), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Sutherland, Hopkinson & Farris (1984a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Vanderweyen & Fraiture (2007a), Woods, Stringer, Evans & Chater (2015a).

Last modified 31.x.2022