Table 1.

Sampling locations for the different races of L. monticola. See Table S1 for a full list of sampled individuals.

Race	Location	Race	Location
Southern, 2n = 34	1. Lontué	Northern Modified 1, 2n = 38–40	16. Colorado River North
	2. Los Queñes	Multiple Fissions 1, 2n = 42–44	17. Rocín River
	3. Cantillana		18. Los Patos
	4. Clarillo River		19. Chalaco
	5. Yeso River South		20. Lo Vicuña
Northern, 2n = 38–40	5. Yeso River North	Multiple Fissions 2, 2n = 42–44	21. Cabrería
	6. El Manzano		22. El Soldado
	7. El Alfalfal		23. Mina Cerrillos
	8. Yerba Loca		24. Hierro Viejo
	9. El Roble	Northern Modified 2, 2n = 35–38	25. Culimó
	10. La Dormida		26. Tilama
	11. La Campana		27. Tranquilla
	12. Chacabuco		28. Chillepín
	13. Saladillo		29. Salamanca
Northern Modified 1, 2n = 38–40	14. Blanco River		30. Illapel
	15. Colorado River South		31. Santa Virginia