Agaricus bresadolianus Bohus syn. A. campestris var. radicatus Vitt.
Wurzelstieliger Egerling Cap 5–10cm across, convex becoming expanded and slightly depressed at the centre, margin finally wavy, whitish to buff covered in buff to grey-brown fibrils, more densely so towards the centre. Stem 30–70 x 8–16mm, slightly swollen towards the rooting base; white flushed yellowish-buff especially at the base; ring white and narrow, short-lived, leaving an indistinct ring zone in older specimens. Flesh whitish, bruising faintly brown beneath the cap cuticle. Taste and smell slight and pleasant. Gills crowded, pale pink, finally blackish-brown. Cheilocystidia absent. Spore print dark brown. Spores elliptical to ovate, 6–7 x 4–4.5µ. Habitat amongst grass in open deciduous woodland or gardens. Season summer. Very rare. Edibility unknown. Found In Europe.