Question: Which plant species is used in 30000 B.C., Phormium or Bolbitis?
Sentence (from "Phormium"): The two species are widely known in New Zealand as 'flax' and elsewhere as New Zealand flax or flax lily but are not related to flax, which is native to the region extending from the eastern Mediterranean to India and which was used by humans in 30,000 B.C.
Relevant evidence: Yes