Table 4. Summary of the nested core collections at different sample sizes compared to the whole dataset.

Number of alleles (Na), Marrakech (M), Cordoba (C).

N. genotypes	WOGB			Na	N. of SSR profiles	N. of morph. Profiles	N. of countries	Genetic clusters
	M	C	M & C					Western1	Central1	Eastern1	Admixture2
55	33	15	7	328	55	49	11		22	13	20
121*	67	40	14	407	121	95	16	9	38	30	44
150	69	42	39	407	150	120	16	16	42	31	61
672	272	270	130	407	672	371	23	183	118	128	243

*One core collection was arbitrary selected among the 50 generated using Mstrat (S9 Table).

¹as identified by Structure program with a membership probability of Q ≥ 0.8

²as identified by Structure program with a membership probability of Q < 0.8