The Hadith (Inspired Sayings) of Muhammed
The Doctrine of Green
Doctrine of green in Islam -- Sahih Buhari-- Volume 4, Book 54, Number 456:
Narrated Abdullah: Regarding the Verse: "Indeed he (Muhammad) did see. Of the Signs of his Lord, The Greatest!" (53.18) That the Prophet had seen a green carpet spread all over the horizon of the sky.