Plant Parasites of Europe

leafminers, galls and fungi

Puccinia alnetorum

Puccinia alnetorum Gäumann, 1941

on Clematis

gall

aecia yellow, hypophyllous, in circles on galled spots, also on disfigured petioles and stems.

spermogonia, aecia

Ranunculaceae, narrowly monophagous

Clematis vitalba.

To a limited extent also C. graveolens and integrifolia.


on Phragmites

gall

Uredinia pale, up to 0.5 mm long; urediniospores yellowish,covered by warty spines; pores unclear; between the spores clavate, thick-walled paraphyses of 35-60 µm. Telia up to 3 mm long, black. Teliospores 17-26 x 35-60 µm, 2-celled, smooth, fusiform, narrowing into the pedicel, apical cell distally with thickened wall, tapering into a point; pedicel a bit longer than the spore, persistent.

uredinia, telia

Poaceae, monophagous

Phramites australis.

references

Brandenburger (1985a), Buhr (1964b), Gäumann (1959), Klenke & Scholler (2015a), Kruse (2019a), Tomasi (2014a).

Last modified 17.viii.2019