Supplementary table S2: List of landraces and old cultivars utilized in this study (Badr, 2000; Castiglioni, 1998). For each accession, country of originand undetected CBFs are reported. The class of frost tolerance for a set of twenty three of sixty seven accessions belonging to NJ-Clade IV are shown.

Line No. / IPK Code / Name / Origin / Class of frost tolerance / Note
GM500 / BGRC 06016 / Wild agriocrithon TUM / TUM / - / HvCbf3 undetected
GM501 / BGRC 02831 / UCNWC 016 GB / GBR / IV
GM502 / BGRC 04183 / SPII 085-50 IRL / DEU / - / HvCbf9 undetected
GM503 / BGRC 05175 / Vulgare coeleste kleine nacktgerste D / DEU / -
GM504 / BGRC 05192 / Vulgare hybernum vikayarvi D / FIN / V
GM505 / BGRC 05198 / Vulgare hybernum tystofte korsby D / DNK / - / HvCbf9 undetected
GM506 / BGRC 05219 / Vulgare parallelum montafon D / AUT / - / HvCbf9 undetected
GM507 / BGRC 05236 / Vulgare parallelum sechszeilige sacavem 8820 D / DEU / -
GM508 / BGRC 05258 / Vulgare hybernum arrecife Kanarie / CRY / II
GM509 / BGRC 05268 / Vulgare nigroibericum otello ITA / ITA / II
GM510 / BGRC 05273 / Vulgare hybernum istmmos Balkan (CV) / BAL / IV
GM511 / BGRC 05288 / Vulgare hybernum poliarnyj 14 Balkan (CV) / BAL / IV
GM512 / BGRC 05291 / Vulgare rikotense brant N-Amerik (CV) / CAN / III
GM513 / BGRC 05302 / Vulgare hybernum oderbrucker N-Amerik (CV) / DEU / III
GM514 / BGRC 05359 / Vulgare hybernum la estanzuela forajera 75 a S-Amerik (LDS) / URY / -
GM515 / BGRC 05363 / Vulgare hybernum elses G 93D 2/60/1058 Afrika (LDS) / AFR / -
GM516 / BGRC 05366 / Vulgare subviolaceum abessinien ETH (LDS) / ETH / -
GM517 / BGRC 05367 / Vulgare hybernum marokkanische Ma (LDS) / MAR / -
GM518 / BGRC 05368 / Vulgare trifurcatum aegypten Egypt (LDS) / ETH / -
GM519 / BGRC 05372 / Vulgare hybernum algerian CI 2612 Dz (LDS) / DZA / -
GM520 / BGRC 05375 / Vulgare hybernum samsun 221 V-Asien (CV) / VAS / III / HvCbf3 undetected
GM521 / BGRC 05381 / Vulgare parallelum libanon V-Asien (LDS) / VAS / IV
GM522 / BGRC 05383 / Vulgare himalayense Tibet M-Asien (LDS) / TIB / - / HvCbf9 undetected
GM523 / BGRC 05439 / Vulgare horsfordianu weihanstephan D (LDS) / CHN / - / HvCbf9 undetected
GM524 / BGRC 05534 / Disticho nudifurcatum Erfurt DDR (CV) / DDR / - / HvCbf9 undetected
GM525 / BGRC 05619 / Disticho nutans Kenia Skandi (CV) / SKA / -
GM526 / BGRC 05691 / Disticho nutans Spratt Archer 37 NR 3 GB (CV) / GBR / -
GM527 / BGRC 05718 / Disticho nutans Sarah BNL/F (CV) / BNL / IV
GM528 / BGRC 05767 / Disticho nutans Loosdorfer vollkorn A (CV) / AUT / -
GM529 / BGRC 05811 / Disticho nutans Proskowetz Gerste CS (CV) / CS / -
GM530 / BGRC 05815 / Disticho nutans triumf CS/PL (CV) / CS/PL / -
GM531 / BGRC 05838 / Disticho nutans carbonera Iber-Hi (CV) / ESP / -
GM532 / BGRC 05858 / Disticho nutans martonvasari F B 104 Balkan (CV) / BAL / -
GM533 / BGRC 05865 / Disticho nutans saratov SU (CV) / TUR / - / HvCbf9 undetected
GM534 / BGRC 05894 / Disticho nutans swannek G94AD2/60/1059 Afrika (linie) / MAS / -
GM535 / BGRC 05896 / Disticho medicum Anatolien TR (LDS) / OAS / -
GM536 / BGRC 05948 / Disticho nigricans Mandschurei M-Asien (LDS) / AUT / II
GM537 / BGRC 05949 / Disticho erectum Hokudai Noi O-Asien (CV) / BEL / -
GM538 / BGRC 05969 / Disticho nutans Australische Fruehe AUS (LDS) / ETH / II
GM539 / BGRC 05983 / Intermedium gymnanomalum Gembloux B (LDS) / ETH / II
GM540 / BGRC 05995 / Deficiens steudelii Abessinien ETH (LDS) / PAK / -
GM541 / BGRC 010621 / Vulgare hyberum Aegyptische Vierzeilige ET (CV) / USA / - / HvCbf9 undetected
GM542 / BGRC 010701 / Vulgare hyberum Lyallpur P (Punjab Barley) PAK (CV) / PAK / - / HvCbf3undetected/HvCbf9 undetected
GM543 / BGRC 010789 / Vulgare Wisconsin H42 USA (Linie) / CHE / -
GM544 / BGRC 011929 / UCNW C 72 A PAK (LDS) / DUE / IV
GM545 / BGRC 012396 / FAP 1 008A CH (LDS) / EAK / IV
GM546 / BGRC 010708 / Disticho nutans Bannerts Rote Radsteiner D (CV) / CYP / V
GM547 / BGRC 012482 / FAP 1 0266 C AFG (LDS) / AFG / IV
GM548 / BGRC 013150 / FAP 1 2158 B EAK (LSD) / ETH / IV
GM549 / BGRC 013156 / FAP 1 2158 H CY (LDS) / OAS / II
GM550 / BGRC 013158 / FAP 1 2158 L AFG (LDS) / USA / -
GM551 / BGRC 015670 / Deficiens erythreum Foa II ETH (LDS) / IND / -
GM552 / BGRC 017711 / Vulgare dundav-beyi Nippon F/O-Asien (LDS) / PAK / -
GM553 / BGRC 017715 / Intermedium horlani Arlington USA (CV) / YEM / -
GM554 / BGRC 018705 / UCNW C 177 IND (PRIM) / YEM / -
GM555 / BGRC 019389 / NPE 0006 PAK (POP) / CAN / IV
GM556 / BGRC 026054 / SIGLAH YEM (LSD) / NAF / -
GM557 / BGRC 026085 / SIGLAH YEM (LSD) / NLD / -
GM558 / BGRC 038255 / Distichuo glabrierectum Sanalta CDN (LDS) / DEU / II
GM559 / BGRC 038332 / Deficiens deficiens Fehlgerste N-Afrika (LDS) / HUN / -
GM560 / BGRC 038414 / Disticho nutans Agio NL (CV) / TKM / -
GM561 / BGRC 038451 / Disticho nutans Pfaller Land D (LDS) / TKM / - / HvCbf9 undetected
GM562 / BGRC 038651 / Disticho nutans Szekacs Linie II H (LINIE) / USA / -
GM563 / BGRC 038846 / Disticho nutans Maiamana Turkestan (LDS) / DEU / III
GM564 / BGRC 040419 / Hexasticon hybernum Abarik Turkestan (LDS) / AFR / .-
GM565 / BGRC 041427 / Hexasticho hybernum Chilean USA/N- AF (LDS) / SVN / -
GM566 / BGRC 044619 / MPI 2 D / AFG / -