Table 2.
Comparison of overlong IGSs in the 41 Pteridaceae cpDNAs
| Species | rpoB-trnD (bp) | trnD-trnY (bp) | ndhC-trnV (bp) | psbE-petL (bp) | rps12-rrn16 (bp) | rps15-ycf1 (bp) | cpDNA size |
|---|---|---|---|---|---|---|---|
| Adiantum aleuticum | 932 | 110 | 402 | 566 | 4785 | 305 | 157,519 |
| Adiantum capillus-veneris | 944 | 114 | 448 | 740 | 1600 | 290 | 150,568 |
| Adiantum flabellulatum | 935 | 114 | 380 | 749 | 1593 | 289 | 152,063 |
| Adiantum malesianum | 6877 | 116 | 447 | - | 1265 | 295 | 154,671 |
| Adiantum nelumboides | 833 | 124 | 433 | - | 1260 | 292 | 149,956 |
| Adiantum reniforme var. sinense | 669 | 124 | 433 | - | 1270 | 292 | 150,102 |
| Adiantum shastense | 929 | 119 | 402 | 568 | 1584 | 293 | 150,414 |
| Adiantum tricholepis | 878 | 110 | 405 | 765 | 1378 | 286 | 150,470 |
| Antrophyum semicostatum | 7061 | 92 | - | 664 | - | 279 | 150,274 |
| Haplopteris elongata | 944 | 87 | 419 | 797 | - | 232 | 156,002 |
| Scoliosorus ensiformis | 901 | 99 | - | 757 | - | 208 | 145,327 |
| Vaginularia trichoidea | 6880 | 90 | - | 537 | 1200 | 211 | 147,102 |
| Vittaria appalachiana | 3067 | 95 | - | 723 | - | 201 | 149,531 |
| Vittaria graminifolia | 4817 | 72 | - | 735 | - | 183 | 151,035 |
| Gastoniella chaerophylla | 826 | 99 | 360 | 751 | 1301 | 209 | 148,099 |
| Onychium japonicum | 820 | 106 | 379 | 807 | 3221 | 332 | 150,156 |
| Pityrogramma trifoliata | 831 | 108 | 394 | 751 | 1237 | 273 | 148,156 |
| Pteris arisanensis | 779 | 105 | 493 | 747 | 7391 | 320 | 160,191 |
| Pteris ensiformis | 778 | 105 | 461 | 700 | 1923 | 321 | 148,985 |
| Pteris multifida | 773 | 111 | 518 | 744 | 4076 | 325 | 153,916 |
| Pteris semipinnata | 783 | 105 | 498 | 873 | 8272 | 321 | 162,270 |
| Pteris vittata | 826 | 106 | 454 | 776 | 3549 | 243 | 154,106 |
| Taenitis blechnoides | 7346 | 113 | 530 | 766 | 2617 | 310 | 157,301 |
| Tryonia myriophylla | 584 | 6943 | 493 | 750 | 2564 | 294 | 156,327 |
| Acrostichum speciosum | 443 | 116 | 3953 | 503 | 3730 | - | 156,095 |
| Ceratopteris cornuta | 879 | 134 | 1984 | 492 | 1684 | 322 | 149,424 |
| Ceratopteris thalictroides | 886 | 133 | 1984 | 491 | 1683 | 322 | 149,399 |
| Coniogramme intermedia | 2593 | 105 | 393 | 725 | 1590 | 305 | 153,561 |
| Cryptogramma acrostichoides | 744 | 105 | 397 | 741 | 1241 | 306 | 150,162 |
| Llavea cordifolia | 818 | 103 | 416 | 721 | 1563 | 229 | 149,387 |
| Bommeria hispida | 793 | 118 | 447 | 765 | 1581 | 6872 | 156,749 |
| Calciphilopteris ludens | 846 | 119 | 416 | 752 | 4874 | 301 | 157,068 |
| Cheilanthes micropteris | 875 | 109 | 4760 | 722 | 1568 | 199 | 157,257 |
| Hemionitis subcordata | 851 | 119 | 422 | 758 | 9179 | 304 | 165,631 |
| Myriopteris covillei | 858 | 125 | 440 | 765 | 1570 | 306 | 155,548 |
| Myriopteris lindheimeri | 865 | 121 | 453 | 769 | 1567 | 306 | 155,770 |
| Myriopteris scabra | 849 | 122 | 438 | 761 | 5336 | 3877 | 162,051 |
| Notholaena standleyi | 863 | 113 | 445 | 751 | 6635 | 199 | 159,556 |
| Paragymnopteris bipinnata var. bipinnata | 862 | 133 | - | 771 | 1565 | 303 | 150,736 |
| Pellaea truncata | 862 | 124 | 461 | 694 | 1567 | 305 | 150,713 |
| Pentagramma triangularis | 908 | 114 | 443 | 3890 | 1558 | 194 | 153,445 |
trnD: trnD-GUC; trnY: trnY-GUA; trnV: trnV-UAC. The presence of “-” in the data indicates the presence of corresponding gene loss in cpDNAs. Bold values represents overlong IGS