Spree get all taxons from underlying taxonomy

Question

How to get all taxons that are children of a certain taxonomy.

I retrieve the taxonomy like this:

Spree::Taxonomy.find_by_machine_name('product_categories')

Answer 1

A Spree::Taxonomy has_many :taxons so you should be able to do:

Spree::Taxonomy.find_by_machine_name('product_categories').taxons