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