The following notes may be instructive in conjunction with the information above (for common names see above).
(i) Possessing a ring on the stem:—
A. citrina S. F. Gray
Cap: width 55-80 mm. Stem: width 18-22 mm; length 70-80 mm.
A lemon-yellow or whitish capped agaric with bulbous stem-base, white patches of volva on cap and white stem with flesh strongly smelling of new potatoes.
Spores: almost globose and measuring 9-10 × 7-8 µm.
A. excelsa (Fries) Kummer
Cap: width 75-140 mm. Stem: width 20-28 mm; length 85-120 mm.
A greyish or brownish capped agaric with clavate stem-base, grey patches of volva on the cap and white concentrically scaly stem with flesh unchanged on exposure to the air.
Spores: broadly ellipsoid and measuring 9-10 × 8-9 µm.