Arachis magna Krapov. et al. is a wild Arachis species found in South America (mainly Bolivia in areas bordering Brazil). It has been used by peanut breeders and geneticists in interspecific hybrids and also in mapping crosses (B genome).

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Encyclopedia of Life
Southwest Environmental Information Network (SEINet)
Germplasm accessions are available at ICRISAT and elsewhere via Genesys (Gateway to Genetic Resources).