ish ▁scient ist ▁R isto ▁Tu om ik os ki ▁observed ▁that ▁the ▁well - known ▁St roph aria ▁aer ugin osa ▁had ▁a ▁look ali ke ▁species ▁that ▁was ▁character ized ▁by ▁a ▁brown ▁sp ore ▁print , ▁an ▁ind ist inct , ▁temporary ▁ring ▁on ▁the ▁st ipe , ▁and ▁ch rys oc yst idia ▁l ining ▁the ▁g ill ▁edges . ▁Tu om ik os ki ▁called ▁this ▁look ali ke ▁St roph aria ▁cy ane a , ▁a ▁name ▁he ▁based ▁on ▁James ▁Bol ton ' s ▁ 1 8 2 0 ▁tax on ▁Ag ar icus ▁cy ane us . ▁Later ▁research ers ▁confirmed ▁the ▁existence ▁and ▁w ides p read ▁European ▁distribution ▁of ▁this ▁tax on . ▁Tu om ik os ki ' s ▁use ▁of ▁the ▁name ▁S .   cy ane a , ▁however , ▁was ▁incorrect ▁as ▁Bol ton ' s ▁type ▁refers ▁to ▁the ▁pur ple - b rown ▁sp ored ▁species ▁S .   a er ugin osa . ▁Despite ▁this , ▁the ▁mis app lied ▁name ▁S .   cy ane a ▁has ▁pers isted ▁in ▁some ▁contemporary ▁field ▁gu ides . ▁ ▁St roph aria ▁ca er ule a ▁was ▁first ▁mentioned ▁in ▁the ▁scientific ▁literature ▁by ▁James ▁Bol ton ▁in ▁ 1 7 8 8 , ▁under ▁the ▁name ▁Ag ar icus ▁polit us . ▁This ▁usage ▁is ▁not ▁considered ▁valid ▁according ▁to ▁nom en cl atural ▁rules , ▁because ▁it ▁was ▁used ▁by ▁Christian ▁Hend rik ▁Pers oon