Principal component analysis (PCA) calculated from genotype data of the 48 diploid accessions corresponding to the 43 598 diallelic SNPs. 1, ‘Shekwasha’ mandarin; 2, ‘de Chios’ mandarin; 3, ‘Owari Satsuma’ mandarin; 4, ‘Nan feng mi chu’ mandarin; 5, ‘San Hu Hong Chu’ mandarin; 6, ‘Se Hui Gan’ mandarin; 7, ‘Szibat’ mandarin; 8, ‘Cleopatra’ mandarin; 9, ‘Dancy’ mandarin; 10, ‘Fuzhu’ mandarin; 11, ‘King’ mandarin; 12, ‘Ladu’ mandarin; 13, ‘Ponkan’ mandarin; 14, ‘Sunki’ mandarin; 15, ‘Willowleaf’ mandarin; 16, ‘Chandler’ pummelo; 17, ‘Timor’ pummelo; 18, ‘Deep red’ pummelo; 19, ‘Kao Pan’ pummelo; 20, ‘Pink’ pummelo; 21, ‘Tahitian’ pummelo; 22, ‘Corsican’ citron; 23, ‘Buddha’s Hand’ citron; 24, ‘Etrog’ citron; 25, ‘Humpang’ citron; 26, ‘Mac Veu de Montagne’ citron; 27, ‘Poncire commun’ citron; 28, ‘Small flower’ papeda 1; 29, ‘Small flower’ papeda 2; 30, Bergamot; 31, ‘Seville’ sour orange; 32, ‘Bouquetier de Nice’ sour orange; 33, ‘Lisbon’ lemon; 34, ‘Meyer’ lemon; 35, ‘Eureka’ lemon; 36, ‘Nestour’ lime; 37, ‘Nules’ clementine; 38, ‘Palestine’ sweet lime; 39, ‘Marrakech’ limonette; 40, ‘Alemow’; 41, ‘Valencia late’ sweet orange; 42, ‘Washington navel’ sweet orange; 43, ‘Duncan’ grapefruit; 44, ‘Marsh’ grapefruit; 45, ‘Star Ruby’ grapefruit; 46, ‘Rangpur’ lime; 47, ‘Rough’ lemon; 48, ‘Volkamer’ lemon.