Stax
Minister of Fire
POPLAR...the ridges are usually flat which looks like the case in the above picture. Ash ridges have more of an edge. Furthermore, it is very commonplace for the trunk of a poplar tree to be very straight and then come to a Y higher up. I think I saw that as well in the picture. Do this, buck another piece and give it the smell test. Ash will smell like lumber, Poplar will be distinctive.