Claim: The pachycaul tree's scientific classification is order asterales, family asteraceae and tribe cichorieae which has more than seven thousand species.
Evidence: There is only one known species, Thamnoseris lacerata, commonly known as the pachycaul tree. Order: Asterales Family: Asteraceae Tribe: Cichorieae The Cichorieae (also called Lactuceae) are a tribe in the plant family Asteraceae that includes 93 genera, more than 1,600 sexually reproductive species and more than 7,000 apomictic species.