As Nagatoshi was the Governor of HOKI province, he was collectively called the 'Three trees and one plant' (three Ki and one Gusa) as one of four meritorious retainers Masashige KUSUNOKI, Chikamitsu YUKI, and Tadaaki CHIGUSA.
長年は伯耆（キ）守であったことから、楠木（キ）正成、結城親光、千種忠顕と合わせて「三木一草」と称された。