How to get fungal wood in Ark Genesis part 2

'Cain and Abel' | Genesis 4:3-15: 3 And in the process of time it came to pass that Cain brought an offering of the fruit of the ground to the Lord. 4 Abel also brought of the firstborn of his flock and of their fat. And the Lord respected Abel and his offering, 5 but He did not respect Cain and his offering. And Cain was very angry, and his countenance fell. 6 So the Lord said to Cain, “Why are you angry? And why has your countenance fallen? 7 If you do well, will you not be accepted? And if yo