Table S1. Taxa analyzed in the present study together with GenBank accession number and voucher information. Sequences first published here are printed in bold.

Taxon / Voucher / Genbank acc. no. trnLF / Genbank acc. no. ITS
Digitalis grandiflora / Bot. Gart. Halle 72398, HAL / AY591295 / AY591261
Erinus alpinus / Albach 158, WU / AF486417 / AF313032
Lagotis angustibracteata / Miehe et al., 98-31710 GOET / AF486416 / AF313028
Lagotis brevituba / Dickore 9342, GOET / EU233626 / EU224204
Lagotis stolonifera / Albach s.n.(ex BG Bonn), WU / AF486415 / AF509817
Paederota bonarota / Albach 213, WU / AF513353 / AF509812
Paederota lutea / Albach 209, WU / AF486408 / AF313024
Picrorhiza kurrooa / McBeath 2214, K / AF486414 / AF509813
Plantago uniflora / Chase 2798, K / AY101940 / AY101885
Veronica abyssinica / E.Fischer 8060, BONN / AF513350 / AF313009
Veronica acinifolia / M. A. Fischer s.n. (Lefkas), WU / AF486399 / AF509798
Veronica agrestis / Albach 386, WU / AF513335 / AF509784
Veronica albiflora / Triono 149, K / AY540873 / AY540869
Veronica allionii / Chase s.n., K / AF513348 / AF509809
Veronica alpina / Albach 184, WU / AF486387 / AF313013
Veronica amoena / Schelkovnikov and Schmidt 5.4.1907, TBS / AF513334 / AF509786
Veronica anagalloides / Albach 307, WU / AF486404 / AF509797
Veronica aphylla / Zhang s.n, WU / AF513349 / AF515211/2
Veronica arguta / CHR 512625 / AY540889/902 / AY034862
Veronica argute-serrata / Albach 640, WU / AF513337 / AF509787
Veronica arvensis / Albach 147, WU / AF486380 / AF313002
Veronica aznavourii / Ertem 21471, ISTE / EU233625 / EU224205
Veronica baumgartenii / Albach 542, WU / AY780808 / AY144464
Veronica beccabunga / Albach 122, K / AF486403 / AF313015
Veronica bellidioides / Albach 118, K / AF513345 / AF313010
Veronica biloba / Albach 636, WU / AY673625 / AY673606
Veronica bombycina ssp. bolkardaghensis / Struwe 1406, WU / AF513342 / AF486358
Veronica bombycina ssp. bombycina / Struwe 1403 WU / AF486376 / AF486353
Veronica campylopoda / Schönswetter and Tribsch 4152, WU / AF486370 / AF486364
Veronica capillipes / Rechinger 51188-c+b, WU / AY673627 / AY673607
Veronica catarractae / Garnock-Jones 2403, CHR / AY540887/901 / AY034859
Veronica ceratocarpa / Öztürk 429, WU / AY673626 / AY741514
Veronica chamaedrys / Albach 121, K / AF486377 / AF313003
Veronica chamaedrys subsp. micans / Schönswetter 2567, WU / AY673632 / AY673616
Veronica chamaepithyoides / UA 714, SALA / AF509796 / AF509796
Veronica cheesemanii / Heenan and Garn.-Jones 1999, CHR 512472 / AY540886/900 / AF037377
Veronica ciliata / Miehe et al., 98-33313, GOET / AF486385 / AF515215
Veronica crista-galli / Dolmkanov 17.4.83, TBS / AF486367 / AF509799
Veronica cuneifolia ssp. isaurica / Struwe 1409, WU / AF486372 / AF486354
Veronica cupressoides / Buxton 15.12.1989, CHR 512449 / AY540880/94 / AF037378
Veronica cymbalaria
S Turkey / Albach 282, WU / AY776285 / AY741526
Veronica cymbalaria
W Turkey / Albach 251 WU / AY850077 / AY850103
Veronica czerniakowskiana / Terme 39177E, EVIN / AF486371 / AF486362
Veronica daurica / Albach s.n., WU / AF511479/80 / AF313023
Veronica davisii / Haderc & Abd´el Kader 5617, WU / AY540871 / AY540864
Veronica decora / Wagstaff 95.08, CHR 512467 / AY540877 / AF229047
Veronica densiflora / Staudinger s.n., SALA / AY776282 / AY741521
Veronica densifolia / Armstrong, CHR 536185 / AY540884/98 / AY034849
Veronica donii / Albach 239, WU / AF513351 / AF509794
Veronica elliptica / Heenan 12.9.89, CHR 512484 / AY540883/97 / AF037393
Veronica farinosa / Alava 13656, TUR / AY776283 / AY741518
Veronica filiformis / Albach 298, WU / AF486368 / AF486363
Veronica formosa / BG Canberra, CHR 512490 / AY540891/904 / AF037383
Veronica fruticulosa / Albach 71, WU / AF486383 / AF313004
Veronica gentianoides / Albach 72, WU / AF486401 / AF313018
Veronica glandulosa / Fischer 713/98, WU / AF486394 / AF313008
Veronica glauca ssp. peleponnesica / M. A. Fischer 7.4.99, WU / AF486395 / AF313006
Veronica hederifolia / Albach 136, WU / AF510425 / AY741524
Veronica intercedens / Albach 666, WU / AY486439 / AY673609
Veronica jacquinii / Albach 70, WU / AF513341 / AF313000
Veronica japonensis / Stuessy et al. 17270, WU / AF486392 / AF509807
Veronica javanica / Fries et al. 2016 / AY540872 / AY540867
Veronica kellererii / Albach 558, WU / AY486450 / AY144461
Veronica krumovii / Albach 484, WU / AY673633 / AY673612
Veronica lanosa / Schickhoff 1377, GOET / AY486442 / AY540868
Veronica lanuginosa / Dickoree 6482, GOET / AF486386 / AF509793
Veronica longifolia / Albach 66, WU / AF486407 / AY673619
Veronica lycica A / Albach 267, WU / AY850071 / AY850097
Veronica lycica B / Albach 269, WU / AF513332 / AF509802
Veronica macrantha / Heenan 17.11.89, CHR 512444 / AY540878/92 / AF037391
Veronica macrostemon / Staudinger AL23-18, SALA / AY486441 / AY741522
Veronica magna / Albach 360, WU / AY673634 / AY673615
Veronica mampodrensis / Martínez Ortega 713, SALA / DQ227337 / DQ227331
Veronica micrantha / Martínez Ortega 1754, SALA / DQ227336 / DQ227330
Veronica miqueliana / Stuessy et al. 17225, WU / AY486444 / EU224207
Veronica missurica / Chase s.n., K / AF486397 / AF313019
Veronica montana / Albach 151, WU / AF486388 / AF313014
Veronica morrisonicola / Albach & Chase 112, K / AF513347 / AF509808
Veronica nakaiana / Sun and Kim 12022, JNU / AF486406 / AF515210
Veronica nivea / Wagstaff 94.105, CHR 512486 / AY540890/903 / AF037382
Veronica nummularia / Martínez Ortega 718, SALA / EU282094 / DQ227335
Veronica nutans / Olmstead 99-180, WTU / AF511481/2 / AF509811
Veronica odora / Garn.-Jones, 4.12.90, CHR 512441 / AY540882/96 / AF037388
Veronica officinalis / Albach and Chase 114, K / AF486391 / AF313012
Veronica oltensis / Struwe 1405 WU / AF513339 / AF312995
Veronica opaca / Polatschek 8.7.1990, W / AY673630 / AY673617
Veronica paederotae / Klein 7901, WU / AF513340 / AF509783
Veronica panormitana / M. A. Fischer 9.4.99, WU / AF513330 / AF509800
Veronica peregrina / Lesica 5668, NYBG / AF513352 / AF313016
Veronica persica / Fay 175, K / AF513336 / AF509785
Veronica polita / Albach 146, WU / AF486369 / AF509818
Veronica praecox / Albach 855, MZJG / EU233627 / EU224206
Veronica pusilla / TRO 2/17, 12.6.2002, WU / AY486446 / AY540865
Veronica raoulii / Decourtye 22.2.86, CHR 512459 / AY540885/99 / AF037380
Veronica reuteriana / Albach 676, WU / AY486447 / AY486447
Veronica rubra / Fishbein 3393, WS / AY486445 / AY483196
Veronica rubrifolia ssp. respectatissima / (name illegible), C. Afg., Panjao, 34°21N 67°E, WU / AF513338 / AF513338
Veronica ruprechtii / Sachokia 1.9.1951, TBS / AF586382 / AF515214
Veronica salicifolia / Wagstaff 95.10, CHR 512466 / AY540881/95 / AF037385
Veronica salicornioides / Hair 26.10.6, CHR 512475 / AY540879/93 / AF069465
Veronica scardica / Albach 977, MZJG / EU233628 / EU224208
Veronica schistosa / Albach 351, WU / AY486448 / AY540863
Veronica schmidtiana / Mt. Yubari, Fujii (trnLF)
Umezawa 20130, WU (ITS) / with permission / AY673620
Veronica scutellata / Dobes 7026, WU / AF486393 / AF509805
Veronica serpyllifolia / Albach 64, WU / AF486400 / AF313017
Veronica sibthorpioides / Martínez Ortega 831, SALA / AY540876 / AY850099
Veronica spicata / Albach 65, WU / AF486405 / AF313022
Veronica stewartii / Rechinger 30780, WU / AY540875 / AY741525
Veronica sublobata / Albach 116, K / AF486366 / AF509803
Veronica thessalica / Raus and Rogl 5072, SALA / AF513343 / AF509792
Veronica trichadena East / Sauer 28.3.1983, WU / AY850067 / AY850093
Veronica trichadena West / M. A. Fischer 9.4.99, WU / AF513331 / AF509801
Veronica triloba / Albach 242, WU / AF513333 / AF509804
Veronica triphyllos / Albach 244, WU / AF486396 / AF509795
Veronica tubata / Balgooy 566, K / AY540874 / AY540870
Veronica turrilliana / Albach 278, WU / AF486374 / AF486360
Veronica urticifolia / Albach 73, WU / AF486389 / AF313011
Veronica vandellioides / Dickore 8417, GOET / AY776287 / AF509806
Veronica vandewateri / Barker 59, K / AF486381 / EU224209
Veronica verna / Albach 149, WU / AF486379 / AF509789
Veronica vindobonensis / M. A. Fischer s.n. (ex BG Wien), WU / AF510426 / AY673614
Veronicastrum axillare / Li Hong Qing 2004 0828, WU / EU233624 / EU224210
Veronicastrum liukiuense / Yokota 3.11.1997, RYU / AF486413 / AF509815
Veronicastrum stenostachyum / Lancaster 763, K / AF513354 / AF313031
Veronicastrum virginicum / Chase s.n., K / AF486412 / AF313030
Wulfenia carinthiaca / Albach 74, WU / AF486409 / AF313025
Wulfenia orientalis / Albach 600, WU / AF486410 / AY540861
Wulfeniopsis amherstiana / Dickoree 13014, GOET / AF486411 / -
Wulfeniopsis nepalensis / Stainton, Sykes, & Williamson 530, BM / - / GQ150558/9