Agaricus osecanus Pilát syn. A. nivescens (F.H. Møller) F.H. Møller (illustrated 50% life size) Cap 10–15cm across, convex at first expanding flat; pure white, marking a little yellow. Stem 80–90×20–40mm, variable; whitish, bruising slightly yellow; large, membranous ring. Flesh white, discolouring or bruising faintly yellowish; taste mushroomy, smell slight, of bitter almonds. Gills remaining light for a long time, then brown. Spores 5–6×4–4.5¼, rounded. Spore print brown. Habitat in meadows and pastures, sometimes under scrub; summer to autumn. Rare, but possibly under-recorded. Edible. Rather similar to A. arvensis (below), but without the aniseed smell.
