##Supplementary Table. S1. Results from BioGeoBEARS showing AIC for each biogeographic model estimating ancestral area for reticulating phylogenies broken into parental major (Tree 1) and minor sister clades (Tree 2) of Lampropeltis. Tree 1 LnL numparams d e j AIC DEC -57.57502 2 0.015776549 1.000000e-12 0.00000000 119.1500 DEC+J -47.34129 3 0.006364717 1.000000e-12 0.09284799 100.6826 DIVALIKE -54.72363 2 0.021953527 2.001000e-09 0.00000000 113.4473 DIVALIKE+J -48.72719 3 0.008720383 1.000000e-12 0.08395451 103.4544 BAYAREALIKE -65.11460 2 0.012715385 1.647615e-01 0.00000000 134.2292 alt null LnLalt LnLnull DFalt DFnull DF Dstatistic pval test tail AIC1 AIC2 AICwt1 AICwt2 AICweight_ratio_model1 AICweight_ratio_model2 1 DEC+J DEC -47.34 -57.58 3 2 1 20.47 6.1e-06 chi-squared one-tailed 100.7 119.2 1.00 9.8e-05 10237 9.8e-05 11 DIVALIKE+J DIVALIKE -48.73 -54.72 3 2 1 11.99 0.0005 chi-squared one-tailed 103.5 113.4 0.99 0.0067 147.9 0.0068 12 BAYAREALIKE+J BAYAREALIKE -51.1 -65.11 3 2 1 28.03 1.2e-07 chi-squared one-tailed 108.2 134.2 1.00 2.2e-06 448523 2.2e-06 Tree 2 restable LnL numparams d e j AIC DEC -56.81614 2 0.015819469 3.144551e-08 0.00000000 117.63228 DEC+J -46.86484 3 0.006342103 1.000000e-12 0.09266777 99.72968 DIVALIKE -53.64169 2 0.022023120 1.823065e-09 0.00000000 111.28337 DIVALIKE+J -48.21756 3 0.008857851 1.000000e-12 0.08452734 102.43512 BAYAREALIKE -63.97157 2 0.012512155 1.619191e-01 0.00000000 131.94313 BAYAREALIKE+J -50.71221 3 0.006174606 1.000000e-07 0.10411753 107.42442 alt null LnLalt LnLnull DFalt DFnull DF Dstatistic pval test tail AIC1 AIC2 AICwt1 AICwt2 AICweight_ratio_model1 AICweight_ratio_model2 1 DEC+J DEC -46.86 -56.82 3 2 1 19.9 8.1e-06 chi-squared one-tailed 99.73 117.6 1.00 0.0001 7718 0.0001 11 DIVALIKE+J DIVALIKE -48.22 -53.64 3 2 1 10.85 0.0010 chi-squared one-tailed 102.4 111.3 0.99 0.012 83.44 0.012 12 BAYAREALIKE+J BAYAREALIKE -50.71 -63.97 3 2 1 26.52 2.6e-07 chi-squared one-tailed 107.4 131.9 1.00 4.7e-06 210946 4.7e-06 alt null LnLalt LnLnull DFalt DFnull DF Dstatistic pval test tail AIC1 AIC2 AICwt1 AICwt2 AICweight_ratio_model1 AICweight_ratio_model2 1 DEC+J DEC -46.86 -56.82 3 2 1 19.9 8.1e-06 chi-squared one-tailed 99.73 117.6 1.00 0.0001 7718 0.0001 11 DIVALIKE+J DIVALIKE -48.22 -53.64 3 2 1 10.85 0.0010 chi-squared one-tailed 102.4 111.3 0.99 0.012 83.44 0.012 12 BAYAREALIKE+J BAYAREALIKE -50.71 -63.97 3 2 1 26.52 2.6e-07 chi-squared one-tailed 107.4 131.9 1.00 4.7e-06 210946 4.7e-06