Supplementary figures

Fig. S1. Initial canonical discriminant analysis of all species. “E. mobilis marked with “+” clearly does not belong to Elymus. Upon identification it belongs to the genus Leymus, a genus close to Elymus.

Supplementary table

Table S1. Material used in this Elymus study. The identifications of the accessions are given as originally identified. Several names are considered synonyms according Yen and Yang (2013)

Clone / Unit Class / Taxon name, original identification / Accession / Source/Origin / Size in bp / GenBank Accession # / Alternate clone name
AR1129-3 / Long S1 / Elymus arizonicus / PI 531558 / USA, New Mexico. Organ Mountains, 24.14km SE of Las Cruces / 482 / KJ793017 / Trit1129-3
AR1129-4 / Long S1 / 481 / KJ793018 / Trit1129-4
AR1129-5 / Long S1 / 483 / KJ793019 / Trit1129-5
AR1129-6 / Long S1 / 470 / KJ793020 / Trit1129-6
AR1129-7 / Long S1 / 483 / KJ793021 / Trit1129-7
AR1129-10 / Long S1 / 480 / KJ793022 / Trit1129-10
AR1129-1 / Long S1 / 482 / KJ793013 / EARI001
AR1129-3A / Long S1 / 481 / KJ793014 / EARI003
AR1129-4A / Long S1 / 481 / KJ793015 / EARI004
AR1129-5A / Long S1 / 481 / KJ793016 / EARI005
BA444-1 / Long H1 / Elymus bakeri / PI 531561 / USA, Colorado. Slopes above Uncompahgre River, 4.83km S of Ouray, Ouray County / 489 / KJ793022 / EBAK001
BA444-3 / Long H1 / 491 / KJ793022 / EBAK003
BA444-4 / Short S1 / 448 / KJ793022 / EBAK004
BA444-5 / Short S1 / 448 / KJ793022 / EBAK005
BA444-6 / Short S1 / 448 / KJ793022 / EBAK006
BA444-7 / Short S1 / 450 / KJ793022 / EBAK007
BA444-8 / Short S1 / 448 / KJ793022 / EBAK008
BA444-9 / Short S1 / 448 / KJ793022 / EBAK009
BA444-10 / Short S1 / 448 / KJ793031 / EBAK010
BA1235-2 / Short S1 / Elymus bakeri / DAO 371339 / USA, Colorado. Summit County, Spring Creek Rd., N of Green Mountain reservoir. / 448 / KJ793032 / Trit1235-2
BA1235-3 / Long S1 / 481 / KJ793033 / Trit1235-3
BA1235-6 / Long H1 / 489 / KJ793034 / Trit1235-6
BA1235-7 / Short S1 / 448 / KJ793035 / Trit1235-7
BA1235-9 / Short S1 / 448 / KJ793036 / Trit1235-9
BA1235-10 / Short S1 / 448 / KJ793037 / Trit1235-10
BA1235-11 / Short S1 / 448 / KJ793038 / Trit1235-11
BA1235-12 / Short S1 / 448 / KJ793039 / Trit1235-12
BA1235-13 / Short S1 / 448 / KJ793040 / Trit1235-13
BA1235-24 / Short S1 / 448 / KJ793041 / Trit1235-24
BA1235-25 / Short S1 / 448 / KJ793042 / Trit1235-25
CO1327-1 / Long S1 / Elymus confusus / PI 564918 / Russian Federation, Buryat ASSR / 486 / KJ793136 / ECON001
CO1327-2 / Long H1 / 489 / KJ793137 / ECON002
CO1327-3 / Long H1 / 488 / KJ793138 / ECON003
CO1327-4 / Long S1 / 484 / KJ793139 / ECON004
CO1327-5 / Long H1 / 489 / KJ793140 / ECON005
CO1327-6 / Short S1 / 448 / KJ793141 / ECON006
CO1327-7 / Short S1 / 449 / KJ793142 / ECON007
CO1327-8 / Short S1 / 449 / KJ793143 / ECON008
CO1327-9 / Short S1 / 448 / KJ793144 / ECON009
CO1327-10 / Short S1 / 448 / KJ793145 / ECON010
CO1328-11 / Long H1 / Elymus confusus / PI 598463 / Russian Federation, Siberia, Gorno Altay A.O., near 681 km marker on Highway M-52 (15km S of Cheketeman camp) toward Aktash and parallel to Katun River / 489 / KJ793146 / ECON011
CO1328-12 / Long H1 / 489 / KJ793147 / ECON012
CO1328-13 / Long H1 / 489 / KJ793148 / ECON013
CO1328-14 / Short S1 / 449 / KJ793149 / ECON014
CO1328-15 / Long H1 / 489 / KJ793150 / ECON015
CO1328-16 / Short S1 / 449 / KJ793151 / ECON016
CO1328-17 / Long H1 / 489 / KJ793152 / ECON017
CO1328-18 / Short S1 / 449 / KJ793153 / ECON018
CO1328-19 / Short S1 / 449 / KJ793154 / ECON019
CO1328-20 / Short S1 / 449 / KJ793155 / ECON020
CO1329-21 / Long S1 / Elymus confusus / PI 632491 / Mongolia, Bulgan Aimag, Kutag-Ondor Sum / 485 / KJ793156 / ECON021
CO1329-22 / Short S1 / 448 / KJ793157 / ECON022
CO1329-23 / Short S1 / 447 / KJ793158 / ECON023
CO1329-24 / Short S1 / 448 / KJ793159 / ECON024
CO1329-25 / Short S1 / 448 / KJ793160 / ECON025
CO1329-26 / Short S1 / 448 / KJ793161 / ECON026
CO1330-27 / Long H1 / Elymus confusus / W6 10312 / Russian Federation, along the old Cheketeman Pass road, Siberia. / 489 / KJ793162 / ECON027
CO1330-28 / Short S1 / 449 / KJ793163 / ECON028
CO1330-29 / Short S1 / 449 / KJ793164 / ECON029
CO1330-30 / Short S1 / 449 / KJ793165 / ECON030
CO1330-31 / Short S1 / 449 / KJ793166 / ECON031
CO1330-32 / Short S1 / 449 / KJ793167 / ECON032
CO1331-33 / Long H1 / Elymus confusus / W6 21505 / Mongolia, Bugag Sum, Bulgan Aimag, 18 km NW of Bulgan City / 489 / KJ793168 / ECON033
CO1331-34 / Long H1 / 489 / KJ793169 / ECON034
CO1331-35 / Long H1 / 489 / KJ793170 / ECON035
CO1331-36 / Long H1 / 489 / KJ793171 / ECON036
CO1331-37 / Long H1 / 489 / KJ793172 / ECON037
CO1331-38 / Short S1 / 450 / KJ793173 / ECON038
CO1331-39 / Short S1 / 450 / KJ793174 / ECON039
CO1331-40 / Short S1 / 450 / KJ793175 / ECON040
CO1331-41 / Short S1 / 450 / KJ793176 / ECON041
CO1331-42 / Short S1 / 450 / KJ793177 / ECON042
FI1312-1 / Long H1 / Elymus fibrosus / PI 406448 / Former Soviet Union, Russia, Altai / 484 / KJ793224 / EFIB001
FI1312-2 / Long H1 / 484 / KJ793224 / EFIB002
FI1312-3 / Long H1 / 489 / KJ793224 / EFIB003
FI1312-4 / Long S1 / 485 / KJ793224 / EFIB004
FI1312-5 / Long H1 / 488 / KJ793224 / EFIB005
FI1312-6 / Long H1 / 488 / KJ793224 / EFIB006
FI1312-7 / Long S1 / 485 / KJ793230 / EFIB007
FI1312-8 / Short S1 / 448 / KJ793231 / EFIB008
FI1312-9 / Short S1 / 448 / KJ793232 / EFIB009
FI1312-10 / Short S1 / 448 / KJ793233 / EFIB010
FI1313-11 / Long H1 / Elymus fibrosus / PI 439999 / Russian Federation, Stavropol, Stavropol Botanical Garden / 489 / KJ793234 / EFIB011
FI1313-12 / Long H1 / 489 / KJ793235 / EFIB012
FI1313-13 / Long H1 / 489 / KJ793236 / EFIB013
FI1313-14 / Short S1 / 448 / KJ793237 / EFIB014
FI1313-15 / Long H1 / 489 / KJ793238 / EFIB015
FI1313-16 / Short S1 / 448 / KJ793239 / EFIB016
FI1313-17 / Short S1 / 448 / KJ793240 / EFIB017
FI1313-18 / Short S1 / 448 / KJ793241 / EFIB018
FI1313-19 / Short S1 / 448 / KJ793242 / EFIB019
FI1313-20 / Short S1 / 448 / KJ793243 / EFIB020
FI1315-21 / Long H1 / Elymus fibrosus / PI 598790 / Kazakhstan. SE of Lake Baikal, Buryat Autonomous Republic / 489 / KJ793244 / EFIB021
FI1315-22 / Long H1 / 489 / KJ793245 / EFIB022
FI1315-23 / Long H1 / 489 / KJ793246 / EFIB023
FI1315-24 / Long H1 / 489 / KJ793247 / EFIB024
FI1315-25 / Long H1 / 489 / KJ793248 / EFIB025
FI1315-26 / Short S1 / 448 / KJ793249 / EFIB026
FI1315-27 / Short S1 / 448 / KJ793250 / EFIB027
FI1315-28 / Short S1 / 448 / KJ793251 / EFIB028
FI1315-29 / Short S1 / 448 / KJ793252 / EFIB029
FI1315-30 / Short S1 / 448 / KJ793253 / EFIB030
FI1371-5 / Short S1 / Elymus fibrosus / DAO 639656 / Russia. Popovka, along the Moskva River, Moscow Region / 474 / KJ793254 / Trit1371-5
FI1371-7 / Long S1 / 446 / KJ793255 / Trit1371-7
FI1371-9 / Long S1 / 447 / KJ793256 / Trit1371-9
FI1371-10 / Short S1 / 448 / KJ793257 / Trit1371-10
IN1224-1 / Short S1 / Elymus interruptus / DAO 760368 / Canada, Saskatchewan. Qu'Appelle River Valley. Bluff slopes NE of east end of Crooked Lake, above (ie NW of) Provincial campground area / 447 / KJ793411 / Trit1224-1
IN1224-2 / Short S1 / 448 / KJ793412 / Trit1224-2
IN1224-3 / Long H1 / 481 / KJ793413 / Trit1224-3
IN1224-4 / Short S1 / 448 / KJ793414 / Trit1224-4
IN1224-5 / Short S1 / 448 / KJ793415 / Trit1224-5
IN1224-6 / Short S1 / 448 / KJ793416 / Trit1224-6
IN1224-7 / Short S1 / 448 / KJ793417 / Trit1224-7
IN1224-8 / Long S1 / 483 / KJ793418 / Trit1224-8
IN1248-1 / Long S1 / Elymus interruptus / DAO 169404 / Canada, Manitoba. 5mi S of Miami. / 482 / KJ793399 / EINT001
IN1248-2 / Long S1 / 488 / KJ793400 / EINT002
IN1248-3 / Short S1 / 448 / KJ793401 / EINT003
IN1248-4 / Long H1 / 492 / KJ793402 / EINT004
IN1248-5 / Long S1 / 488 / KJ793403 / EINT005
IN1248-6 / Short S1 / 448 / KJ793404 / EINT006
IN1248-7 / Long S1 / 488 / KJ793405 / EINT007
IN494-8 / Short S1 / Elymus interruptus / PI 531617 / Canada, Manitoba. Brandon Hills / 448 / KJ793406 / EINT008
IN494-9 / Short S1 / 447 / KJ793407 / EINT009
IN494-10 / Short S1 / 447 / KJ793408 / EINT010
IN494-11 / Short S1 / 448 / KJ793409 / EINT011
IN494-12 / Long S1 / 452 / KJ793410 / EINT012
MC425-1 / Long S1 / Elymus macrourus / JAD-87-05 / Russia. Yacutia-Sakha near Kitil-Dura town / 483 / KJ793456 / EMAC001
MC425-2 / Short S1 / 449 / KJ793457 / EMAC002
MC425-3 / Short S1 / 449 / KJ793458 / EMAC003
MC425-4 / Short S1 / 449 / KJ793459 / EMAC004
MC425-5 / Short S1 / 449 / KJ793460 / EMAC005
MC425-6 / Short S1 / 449 / KJ793461 / EMAC006
MC425-7 / Short S1 / 449 / KJ793462 / EMAC007
MC425-8 / Short S1 / 449 / KJ793463 / EMAC008
MC425-9 / Short S1 / 449 / KJ793464 / EMAC009
MC425-10 / Short S1 / 449 / KJ793465 / EMAC010
MC513-11 / Short S1 / Elymus macrourus / PI 531633 / Canada, Alberta. 64km N of Lake Louise / 448 / KJ793466 / EMAC011
MC513-12 / Short S1 / 448 / KJ793467 / EMAC012
MC513-13 / Short S1 / 448 / KJ793468 / EMAC013
MC513-14 / Short S1 / 448 / KJ793469 / EMAC014
MC513-15 / Short S1 / 448 / KJ793470 / EMAC015
MC513-16 / Short S1 / 448 / KJ793471 / EMAC016
MO1247-6 / Short S1 / Elymus mobilis / DAO 772511 / Canada, Quebec. Ile Niapiskau. / 451 / KJ793481 / Trit1247-6
MO1247-7 / Short S1 / 450 / KJ793482 / Trit1247-7
MO1247-8 / Short S1 / 448 / KJ793483 / Trit1247-8
MO1247-9 / Short S1 / 448 / KJ793484 / Trit1247-9
MO1247-13 / Short S1 / 447 / KJ793485 / Trit1247-13
MU1107-3 / Short S1 / Elymus multisetus / PI 619456 / USA, Idaho. Junction of Cartwright Rd and Pierce Park Rd in Ada County / 448 / KJ793486 / Trit1107-3
MU1107-4 / Short S1 / 448 / KJ793487 / Trit1107-4
MU1107-8 / Short S1 / 417 / KJ793488 / Trit1107-8
MU1107-9 / Short S1 / 448 / KJ793489 / Trit1107-9
MU1107-12 / Long S1 / 398 / KJ793490 / Trit1107-12
MU1108-1 / Short S1 / Elymus multisetus / PI 632540 / USA, Nevada. Above Singas Creek in Paradise Valley in Humboldt County. / 448 / KJ793491 / Trit1108-1
MU1108-4 / Short S1 / 448 / KJ793492 / Trit1108-4
MU1108-7 / Long H1 / 487 / KJ793493 / Trit1108-7
MU1108-9 / Short S1 / 448 / KJ793494 / Trit1108-9
MU1108-12 / Short S1 / 449 / KJ793495 / Trit1108-12
MU1109-2 / Long H1 / Elymus multisetus / W6 20963 / USA, California. Redlands in Lassen County / 489 / KJ793496 / Trit1109-2
MU1109-4 / Short S1 / 448 / KJ793497 / Trit1109-4
MU1109-7 / Short S1 / 447 / KJ793498 / Trit1109-7
MU1109-8 / Long H1 / 491 / KJ793499 / Trit1109-8
MU1109-10 / Long S1 / 472 / KJ793500 / Trit1109-10
MU1109-12 / Long H1 / 490 / KJ793501 / Trit1109-12
MU1110-3 / Short S1 / Elymus multisetus / W6 23105 / USA, New Mexico. 5.6km NW of Wagon Mound / 448 / KJ793502 / Trit1110-3
MU1110-4 / Short S1 / 448 / KJ793503 / Trit1110-4
MU1110-5 / Short S1 / 448 / KJ793504 / Trit1110-5
MU1110-6 / Short S1 / 448 / KJ793505 / Trit1110-6
MU1110-8 / Short S1 / 448 / KJ793506 / Trit1110-8
MU1110-9 / Short S1 / 448 / KJ793507 / Trit1110-9
MU1143-1 / Long S1 / Elymus multisetus / PI 619454 / USA, Idaho. Above A-line canal off Freeze-Out Rd in Gem County. / 472 / KJ793508 / Trit1143-1
MU1143-4 / Short S1 / 448 / KJ793509 / Trit1143-4
MU1143-5 / Short S1 / 447 / KJ793511 / Trit1143-5
MU1143-6 / Short S1 / 447 / KJ793512 / Trit1143-6
MU1143-7 / Short S1 / 447 / KJ793513 / Trit1143-7
MU1143-9 / Short S1 / 448 / KJ793514 / Trit1143-9
MU1143-14 / Long S1 / 495 / KJ793510 / Trit1143-14
MU1145-1 / Long H1 / Elymus multisetus / PI 619465 / USA, Idaho. Hill Rd 2.3mi N of junction of Hill Rd and Seaman's Gulch Rd in Ada County / 477 / KJ793515 / Trit1145-1
MU1145-3 / Short S1 / 448 / KJ793516 / Trit1145-3
MU1145-4 / Short S1 / 448 / KJ793517 / Trit1145-4
MU1145-7 / Long H1 / 489 / KJ793518 / Trit1145-7
MU1145-9 / Short S1 / 448 / KJ793519 / Trit1145-9
MU1145-10 / Long H1 / 490 / KJ793520 / Trit1145-10
WI1228-1 / Short S1 / Elymus wiegandii / DAO 284555 / USA, Massachusetts. End of South Street, Hatfield, near Connecticut River. / 448 / KJ793983 / EWIE001
WI1228-2 / Short S1 / 448 / KJ793984 / EWIE002
WI1228-3 / Short S1 / 448 / KJ793985 / EWIE003
WI1228-4 / Short S1 / 448 / KJ793986 / EWIE004
WI1228-5 / Short S1 / 448 / KJ793987 / EWIE005
WI1228-6 / Short S1 / 448 / KJ793988 / EWIE006
WI1228-7 / Short S1 / 449 / KJ793989 / EWIE007
WI1237-2 / Short S1 / Elymus wiegandii / DAO 15392 / Canada, Quebec. Ste-Francoise County, Riviere-du-Loup, Riviere Trois-Pistoles / 448 / KJ794013 / Trit1237-2
WI1237-3 / Short S1 / 448 / KJ794014 / Trit1237-3
WI1237-5 / Short S1 / 448 / KJ794015 / Trit1237-5
WI1237-35A / Short S1 / 346 / KJ794009 / EWIE035A
WI1237-35B / Short S1 / 346 / KJ794010 / EWIE035B
WI1237-36 / Long H1 / 489 / KJ794011 / EWIE036
WI1237-37 / Short S1 / 450 / KJ794012 / EWIE037
WI1237-38 / Short S1 / 448 / KJ794016 / EWIE038
WI1237-39 / Short S1 / 450 / KJ794017 / EWIE039
WI1237-40 / Short S1 / 493 / KJ794018 / EWIE040
WI1237-41 / Long H1 / 466 / KJ794019 / EWIE041
WI1237-42 / Short S1 / 435 / KJ794020 / EWIE042
WI1237-43 / Short S1 / 345 / KJ794021 / EWIE043
WI1238-4 / Short S1 / Elymus wiegandii / DOA 25153 / Canada, Quebec. Gatineau County - Old Chelsea. / 448 / KJ794022 / Trit1238-4
WI1238-10 / Short S1 / 448 / KJ794023 / Trit1238-10
WI1238-11 / Long H1 / 489 / KJ794024 / Trit1238-11
WI1238-18 / Short S1 / 448 / KJ794025 / Trit1238-18
WI1238-20 / Short S1 / 448 / KJ794026 / Trit1238-20
WI1239-8A / Long H1 / Elymus wiegandii / DAO 785576 / Canada, Ontario. Russell County:2mi SW of Bourget. / 490 / KJ793990 / EWIE008A
WI1239-8B / Long H1 / 466 / KJ793991 / EWIE008B