 The fruit bodies of A. ravenelii are distinguished from A. chlorinosma by the presence of pale yellow to brownish orange , large , conical to truncate @-@ conical warts on the cap surface and a large basal bulb . The mushroom A. polypyramis is pure white , and lacks the pale yellow to brownish @-@ orange large conical warts typical of A. ravenelii . The North American species A. <unk> has a similar areolate cap surface , but unlike A. ravenelii , does not have a distinct basal bulb , and it is found in semi @-@ arid areas associated with aspen and old growth Douglas fir . Also from North America , A. mutabilis has pink tones on the cap and stem , and will turn pink when its flesh is cut ; it smells of anise . 
