Yggdrasil is attested in the Poetic Eddacompiled in the 13th century from earlier traditional sources, and in the Prose Eddawritten in the 13th century by Snorri Sturluson.
Yggdrasil ໄດ້ຮັບການຢືນຢັນໃນ Poetic Edda, ລວບລວມໃນສະຕະວັດທີ 13tha ຈາກແຫຼ່ງຂໍ້ມູນເດີມແລະ Prose Edda, ລາຍລັກອັກສອນໃນສະຕະວັດ 13th ໂດຍ Snorri Sturluson.