 ; "Yasht" 1.15; 10.92).The Younger Avestan texts allude to their respective guardianships of plant life and water (comparable with the Gathic allusion to sustenence), but these identifications are only properly developed in later tradition (see below).These associations with also reflect the Zoroastrian cosmological model in which each of the Amesha Spentas is identified with one aspect of creation.