"[1][2] The mission has been expanded in recent years to award students of similar achievement in the natural resources related to the forested environment.

[2][4] Xi Sigma Pi was admitted to the Association of College Honor Societies in 1965, temporarily dropped membership in the late 1990s, and was reinstated at the 2017 ACHS convention.

[2] The Xi SIgma Pi badge is an oval key or pin with an engraved fir tree surmounting an inverted crescent.

He or she must have shown a creditable interest and activity in his or her curriculum, and give promise of attaining high professional achievement.

Provisions are made for graduate students and faculty to join, with the intent that chapters encourage all levels of membership.