1796 W. Withering (ed. 3) IV. 214 [Agaricus rheoides]... The whole plant both within and without is nearly the colour of Rhubarb.]
1830 (ed. 7) IV. 197 Ag. rheoides... Yellow-curtained Rhubarb Agaric.
1836 M. J. Berkeley 92 Agaricus flammans,..rhubarb-Agaric.