a–d Agaricus parvibicolor (MFLU 12 0953, holotype) a Sporocarps in situ. b Pileus characters. Finely striate on the margin. d Membranous annulus. e–h Agaricus sodalis (MFLU 12–0987, holotype) e Sporocarps in situ. f Sporocarp. g Lamellae and annulus. h Staining yellow when cut. Scale bars: a–
h=10 mm