Linked from
The 7 pages that link to Amaranthaceae, each with the reason it gives.
CaryophyllalesBroader topic: It brings together several economically important members of the order.
QuinoaNarrower topic: Quinoa belongs to this plant family, alongside several other edible crops.
BetalainRelated: Several familiar betalain sources, including beet, are members of this family.
Beta vulgarisNarrower topic: Modern classifications place Beta vulgaris within this family.