downloaded from the dewiki at de:Butterröhrling. Dewiki provides the following additional information: Butterroehrling.jpg (44 KB, image/jpeg) Butterröhrlinge
derivative work of the following images: File:Bley,_Botanisches_Bilderbuch_45.jpg licensed with Cc-pd-mark-footer, PD-old 2009-09-19T19:28:52Z Antonsusi 1992x3000