Agaricus bernardii (Quél.) Sacc. syn. A. campestris subsp. bernardii (Quél.) Konrad & Maubl.
Dünen-Egerling, Sziki csiperke. Cap 1–15cm across, hemispherical then flattened convex and often depressed, whitish to light brown, bruising reddish on handling, surface soon disrupting into coarse brownish scales. Stem 50–70 x 20–40mm, whitish, narrowing slightly at the greyish-brown base; ring sheathing, whitish and narrow. Flesh white becoming reddish orange on cutting. Taste slightly unpleasant, smell fishy. Gills pale grey then flesh-coloured becoming dark brown. Cheilocystidia thin-walled, elongate, cylindric, clavate or fusiform. Spore print dark brown. Spores broadly ovoid, 5.5–7 x 5–5.5µ. Habitat on sand dunes and meadows near the sea, also on roadsides inland, possibly due to the practice of salting the roads in icy weather. Season autumn. Uncommon. Edible. Found In Europe.