Linked from
The 20 pages that link to Crop wild relatives, each with the reason it gives.
Plant breedingRelated: They provide genetic sources for traits absent from current crop varieties.
Seed bankRelated: Stored wild relatives can supply traits for breeding more resilient crops.
BrassicaRelated: Wild Brassica relatives preserve traits that cultivation may have reduced.
GermplasmRelated: Wild relatives can supply germplasm with traits absent from cultivated varieties.
OryzaNarrower topic: Wild Oryza species are relatives of rice crops and sources of useful variation.
EmmerRelated: Wild relatives of emmer wheat can provide traits for crop improvement.
Malus sieversiiNarrower topic: Malus sieversii is a prominent wild relative of the cultivated apple.
Cucumis metuliferusRelated: Wild populations can preserve genetic diversity relevant to cultivation.