 A rarely appearing , all @-@ white form was initially described A. phalloides f. alba by Max <unk> , though its status has been unclear . It is often found growing amid normally colored death caps . It has been described , in 2004 , as a distinct variety and includes what was termed A. verna var. tarda . The true Amanita verna fruits in spring and turns yellow with KOH solution , whereas A. phalloides never does . 
