 Although very distinctive in appearance , the fly agaric has been mistaken for other yellow to red mushroom species in the Americas , such as Armillaria cf. mellea and the edible Amanita basii — a Mexican species similar to A. caesarea of Europe . Poison control centres in the U.S. and Canada have become aware that amarill ( Spanish for ' yellow ' ) is a common name for the A. caesarea @-@ like species in Mexico . Amanita caesarea can be distinguished by its entirely orange to red cap which lacks the numerous white warty spots of the fly agaric . Furthermore , the stem , gills and ring of A. caesarea are bright yellow , not white . The volva is a distinct white bag , not broken into scales . In Australia , the introduced fly agaric may be confused with the native vermilion grisette ( Amanita xanthocephala ) , which grows in association with eucalypts . The latter species generally lacks the white warts of A. muscaria and bears no ring . 
 Although very distinctive in appearance , the fly agaric <a href='been_done' title='1'><mark>has</mark></a> been mistaken for other yellow to red mushroom species in the Americas , such as Armillaria cf. mellea and the edible Amanita basii — a Mexican species similar to A. caesarea of Europe . Poison control centres in the U.S. and Canada <a href='been_done' title='2'><mark>have</mark></a> become aware that amarill ( Spanish for ' yellow ' ) <a href='drop_aux' title='3'><mark>is</mark></a>a common name for the A. caesarea @-@ like species in Mexico . Amanita caesarea can be distinguished by its entirely orange to red cap which <a href='uninflect' title='4'><mark>lacks</mark></a> the numerous white warty spots of the fly agaric . Furthermore , the stem , gills and ring of A. caesarea <a href='drop_aux' title='5'><mark>are</mark></a>bright yellow , not white . The volva <a href='drop_aux' title='6'><mark>is</mark></a>a distinct white bag , not broken into <a href='negative_concord' title='7'><mark>scales</mark></a> . In Australia , the introduced fly agaric may be confused with the native vermilion grisette ( Amanita xanthocephala ) , which <a href='uninflect' title='8'><mark>grows</mark></a> in association with eucalypts . The latter species generally <a href='uninflect' title='9'><mark>lacks</mark></a> the white warts of A. muscaria and <a href='uninflect' title='10'><mark>bears</mark></a> no ring . 
Although very distinctive in appearance , da fly agaric done been mistaken for other yellow to red mushroom species in the Americas , such as Armillaria cf. mellea and the edible Amanita basii — a Mexican species similar to A. caesarea of Europe . Poison control centres in tdaU.S. and Canada done become aware dat amarill ( Spanish fir ' yellow ' ) a common name for the A. caesarea @-@ like species in Mexico . Amanita caesarea can b distinguished by its entirely orange to red cap which lack the numerous white warty spots of the fly agaric . Furthermore , thdatem , gills and ring of A. caesarea bright yellow , not white . Thedalva a distinct white bag , not broken into no scales . In Australia , the introduced fly agaric may be confused wid the native vermilion grisette ( Amanita xanthocephala ) , which grow in association with eucalypts . The latter species generally lack the white warts of A. muscaria and bear no ring .