Table 2.

Origin of the samples sequenced, sequencing depth, and number of polymorphic insertions per individual.

Sample	Clade	Locality	Latitude	Longitude	Depth	Number of polymorphic insertions present	Number of polymorphic full-length insertions present
AC_36_1	Gulf-Atlantic	Blount, Tennessee	35.53855	-84.07625	15×	7,557	839
AC_38_4	Gulf-Atlantic	Blount, Tennessee	35.5558	-84.00245	10×	6,367	699
AC_8_13	Gulf-Atlantic	Thibodaux, Louisiana	29.797883	-90.8129	9×	6,402	629
AC_8_8	Gulf-Atlantic	Thibodaux, Louisiana	29.797883	-90.8129	16×	7,849	861
AC_27_3	Gulf-Atlantic	Darien, Georgia	31.35295	-81.447467	10×	5,626	565
AC_27_4	Gulf-Atlantic	Darien, Georgia	31.35295	-81.447467	10×	5,135	500
CC3	East Florida	Cocoa, Florida	28.243611	-80.870556	16×	9,969	863
CC8	East Florida	Cocoa, Florida	28.243611	-80.870556	16×	11,965	1,130
SB3	East Florida	South Bay, Florida	26.683333	-80.716884	12×	11,839	1,069
SB4	East Florida	South Bay, Florida	26.683333	-80.716884	8×	8,371	621
TV8	East Florida	Titusville, Florida	28.5437777	-80.9421666	8×	8,557	740
VB6	East Florida	Vero Beach, Florida	27.640278	-80.59475	10×	10,393	890
VB7	East Florida	Vero Beach, Florida	27.640278	-80.59475	9×	10,451	924