Runyon had collected the type specimen from a Matamoros , Tamaulipas garden in 1922 .
Joseph Nelson Rose described Echeveria runyonii in 1935 , named in honour of Texas amateur botanist Robert Runyon .
amateur botanist had collected the type specimen from a Matamoros , Tamaulipas garden in 1922 .
Joseph Nelson Rose described Echeveria runyonii in 1935 , named in honour of Texas amateur botanist Robert Runyon .