1. Frio-Sabinal rivers (Cyprinella lepida) Nueces River (Cyprinella sp.
Hap 4 (1)
Frio-Sabinal
rivers
(Cyprinella lepida)
Hap 1 (F-9, S-20)
100
Hap 3 (5)
100 88
Hap 2 (7)
100
Cyprinella lutrensis
Hap 9 (1)
100
Hap 8 (2)
100
Hap 6 (10)
Nueces River
(Cyprinella sp.
cf lepida)
Hap 10 (1)
Hap 7 (1)
Neighbor-joining trees of mtDNA haplotypes of Cyprinella. Numbers above and below branches indicate bootstrap-support percentages for maximum-parsimony (MP) and maximum-likelihood (ML) topologies, respectively. Branch-length scale, in percent sequence divergence, is shown at bottom right.
Hap 5 (F-2, N-8)
Cyprinella spiloptera 94
Hap 12 (F-1) 84
100
100
Hap 11 (F-1)
Cyprinella venusta
0.02
Luxilus chrysocephalus

2. Frio-Sabinal Rivers (Dionda serena) Nueces River (Dionda texensis)
Hap 5 (1)
Frio-Sabinal
Rivers
(Dionda serena)
Hap 2 (1)
Hap 4 (1)
100 94
Hap 3 (1)
Hap 1 (F-17, S-20)
Hap 10 (1)
100
Hap 7 (3)
100
Hap 8 (2)
Hap 9 (1)
100
Hap 18 (1) 94
Hap 17 (1)
Nueces River
(Dionda texensis)
Hap 13 (1)
Hap 16 (1)
Hap 12 (1)
Hap 14 (1)
Hap 19 (1)
Neighbor-joining trees of mtDNA haplotypes of Dionda. Numbers above and below branches indicate bootstrap-support percentages for maximum-parsimony (MP) and maximum-likelihood (ML) topologies, respectively. Branch-length scale, in percent sequence divergence, is shown at bottom right.
Hap 6 (7) 98
Hap 15 (1)
100
Hap 11 (1)
Dionda episcopa 99
100 99
Dionda argentosa
100
Dionda nigrotaeniata
Dionda diaboli
Campostoma anomalum
0.02
Nocomis micropogon