In the Apocalypse, Plants and I Live in Mutually Beneficial Symbiosis

Su Cang traveled to a post-apocalyptic world with many weird monsters and people here with various abilities. And after Su Cang, who had been in a vegetative state for three years, came here, he completely recovered! And gained the ability to eat various plants and obtain corresponding attributes. But what followed was... A wave of corpses, infiltration of pseudo-human beings, fungal infections, polar nights... And various threats among the crowd...