Ustilago grandis Fries, 1832

Fungi, Ustilagonaceae

on Phragmites

_2752_5

Phragmites australis, België, prov. Antwerpen, Geel, Wilders © Carina Van Steenwinkel: sporen

Ustilago grandis: spores

spores, strong magnification

gall

Dark brown sori on the stems, sometimes covering the entire stem from one internodium to the other (then resembling a slender Typha inflorescence, writes Buhr). Initially covered by the epidermis of the host plant. Spores7-10 x 8-11 μ; they are finely echinulate, but that is not visible with the light microscope.

hostplants

Poaceae, monophagous

Phragmites australis.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Redfern & Shirley (2011a), Riegler-Hager (2005a), Roskam (2009a), Savchenko & Heluta (2012a), Scholler & Schubert (1993a), Van Ryckegem (2005a), Vanderweyen & Fraiture (2014a), Tomasi (2014a).

23/03/2017

pub 23.iii.2017 · mod 28.vi.2017