Marx et al.|American Journal of Botany 2019 { Appendix S1 Table Appendix S1: Voucher numbers and collection information for each sample. DNA Specimen Species Accession Collection Number Date Collected Locality WGS N WGS W Voucher Number Idaho: Sawtooth National Forest: Sawtooth Mountains: Abies lasiocarpa 14029 Clevenger 2012-022 ID:169267 August 1, 2012 Thompson Peak: Meadow just at base of west side of 44.14219 -115.01358 mountain, just south of a snowpack 1 Idaho: Sawtooth National Forest: Sawtooth Mountians: Abies lasiocarpa 14351 Marx 2013-120 ID:169161 July 22, 2013 Snowyside Peak: along west face and south ridge line (trail to 43.93825 -114.97142 summit) Idaho: Sawtooth National Forest: Sawtooth Mountains: Abies lasiocarpa 14232 Zion 2012-034 ID:169314 August 7, 2012 44.1117 -115.00318 Horstmann Peak: Just below summit to the SW Idaho: Sawtooth National Forest:White Cloud Mountains: Achillea millefolium 14287 Marx 2013-193 ID:169125 July 25, 2013 44.04019 -114.58878 Castle Peak: summit down southwest slope to treeline Idaho: Sawtooth National Forest: Pioneer Mountians: Achillea millefolium 14431 Marx 2013-228 ID:169411 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit Idaho: Sawtooth National Forest: Pioneer Mountains: Achillea millefolium 14619 Marx 2013-318 ID:169205 August 9, 2013 43.74938 -114.1312 Hyndman Peak: south facing talus/boulder field from summit Idaho: Sawtooth National Forest:White Cloud Mountains: Achillea millefolium 14665 Marx 2013-366 ID:169446 August 14, 2013 44.10969 -114.63886 D.O. Lee Peak: collected in alpine meadow Idaho: Sawtooth National Forest: Sawtooth Mountains: Achillea millefolium 14136 Zion 2012-014 ID:169306 August 7, 2012 44.1117 -115.00318 Horstmann Peak: Just below summit to the SW Idaho: Sawtooth National Forest: Sawtooth Mountains: Aconogonon phytolaccifolium 14229 Zion 2012-031 ID:169297 August 7, 2012 44.1117 -115.00318 Horstmann Peak: Just below summit to the SW Idaho: Sawtooth National Forest: Pioneer Mountains: Agoseris aurantiaca NA Marx 2013-270 ID:169201 August 9, 2013 43.74357 -114.12403 Hyndman Peak: in meadow above treeline Idaho: Sawtooth National Forest: Pioneer Mountians: Agrostis variabilis NA Marx 2013-220 ID:174227 August 7, 2013 43.76619 -114.15839 Salzburger Spitzl: Meadow above treeline Idaho: Sawtooth National Forest: Pioneer Mountians: Androsace septentrionalis 14464 Marx 2013-263 ID:169324 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit Idaho: Sawtooth National Forest: Pioneer Mountains: Androsace septentrionalis NA Marx 2013-334 ID:169213 August 9, 2013 43.74938 -114.1312 Hyndman Peak: south facing talus/boulder field from summit Idaho: Sawtooth National Forest:White Cloud Mountains: Androsace septentrionalis 14689 Marx 2013-392 ID:169429 August 14, 2013 44.10277 -114.62859 D.O. Lee Peak: in talus, north face then west to treeline Continued on next page Table Appendix S1 { continued from previous page DNA Specimen Species Accession Collection Number Date Collected Locality WGS N WGS W Voucher Number Idaho: Sawtooth National Forest: Sawtooth Mountains: Anemone drummondii 14309 Marx 2013-078 ID:169366 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest:White Cloud Mountains: Anemone drummondii 14682 Marx 2013-385 ID:169465 August 14, 2013 44.10277 -114.62859 D.O. Lee Peak: in talus, north face then west to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Anemone drummondii 13562 Marx 2012-029 ID:169183 August 10, 2012 44.09333 -115.99681 Braxon Peak: Summit down south face to treeline Idaho: Sawtooth National Forest: Pioneer Mountians: Antennaria corymbosa 14418 Marx 2013-212 ID:169409 August 7, 2013 43.76619 -114.15839 Salzburger Spitzl: Meadow above treeline 2 Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria lanata 14016 Clevenger 2012-007 ID:169251 August 1, 2012 Thompson Peak: Meadow just at base of west side of 44.14219 -115.01358 mountain, just south of a snowpack Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria lanata 14312 Marx 2013-081 ID:169355 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria media 14019 Clevenger 2012-012 ID:169270 August 1, 2012 Thompson Peak: Meadow just at base of west side of 44.14219 -115.01358 mountain, just south of a snowpack Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria media 14311 Marx 2013-080 ID:169371 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria media 14322 Marx 2013-091 ID:169367 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest: Sawtooth Mountians: Antennaria media 14360 Marx 2013-131 ID:169133 July 22, 2013 43.93825 -114.97142 Snowyside Peak: collected at second treeline only Idaho: Sawtooth National Forest:White Cloud Mountains: Antennaria media 14258 Marx 2013-164 ID:169117 July 25, 2013 44.04019 -114.58878 Castle Peak: summit down southwest slope to treeline Idaho: Sawtooth National Forest: Pioneer Mountains: Antennaria media 14591 Marx 2013-290 ID:169223 August 9, 2013 43.74357 -114.12403 Hyndman Peak: in meadow above treeline Idaho: Sawtooth National Forest:White Cloud Mountains: Antennaria media 14661 Marx 2013-362 ID:169428 August 14, 2013 44.10969 -114.63886 D.O. Lee Peak: collected in alpine meadow Idaho: Sawtooth National Forest:White Cloud Mountains: Antennaria media 14684 Marx 2013-387 ID:169427 August 14, 2013 44.10277 -114.62859 D.O. Lee Peak: in talus, north face then west to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria microphylla 14004 Marx 2012-051 ID:169171 August 10, 2012 44.09333 -115.99681 Braxon Peak: Summit down south face to treeline Idaho: Sawtooth National Forest: Sawtooth Mountians: Antennaria microphylla 14348 Marx 2013-117 ID:169164 July 22, 2013 Snowyside Peak: along west face and south ridge line (trail to 43.93825 -114.97142 summit) Continued on next page Table Appendix S1 { continued from previous page DNA Specimen Species Accession Collection Number Date Collected Locality WGS N WGS W Voucher Number Idaho: Sawtooth National Forest:White Cloud Mountains: Antennaria rosea 14273 Marx 2013-179 ID:169104 July 25, 2013 44.04019 -114.58878 Castle Peak: summit down southwest slope to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria umbrinella 13540 Marx 2012-005 ID:169278 July 31, 2012 44.14139 -115.01 Thompson Peak: SW slope heading down from summit Idaho: Sawtooth National Forest: Pioneer Mountians: Antennaria umbrinella 14446 Marx 2013-244 ID:169404 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit Idaho: Sawtooth National Forest: Pioneer Mountians: Antennaria umbrinella 14460 Marx 2013-258 ID:169385 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit 3 Idaho: Sawtooth National Forest: Pioneer Mountains: Antennaria umbrinella 14601 Marx 2013-300 ID:169222 August 9, 2013 43.74938 -114.1312 Hyndman Peak: south facing talus/boulder field from summit Idaho: Sawtooth National Forest: Sawtooth Mountains: Antennaria umbrinella 14223 Zion 2012-025 ID:169321 August 7, 2012 44.1117 -115.00318 Horstmann Peak: Just below summit to the SW Idaho: Sawtooth National Forest: Pioneer Mountians: Aquilegia flavescens 14428 Marx 2013-224 ID:169360 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit Idaho: Sawtooth National Forest: Pioneer Mountians: Arnica chamissonis 14416 Marx 2013-210 ID:169358 August 7, 2013 43.76619 -114.15839 Salzburger Spitzl: Meadow above treeline Idaho: Sawtooth National Forest: Pioneer Mountains: Arnica chamissonis 14582 Marx 2013-281 ID:169232 August 9, 2013 43.74357 -114.12403 Hyndman Peak: in meadow above treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Arnica latifolia 14303 Marx 2013-072 ID:169365 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Arnica latifolia 14316 Marx 2013-085 ID:169354 July 19, 2013 44.01108 -114.98117 Mount Cramer: east ridge from summit to treeline Idaho: Sawtooth National Forest: Sawtooth Mountians: Arnica latifolia 14361 Marx 2013-132 ID:169158 July 22, 2013 43.93825 -114.97142 Snowyside Peak: collected at second treeline only Idaho: Sawtooth National Forest: Pioneer Mountains: Arnica latifolia 14599 Marx 2013-298 ID:169219 August 9, 2013 43.74938 -114.1312 Hyndman Peak: south facing talus/boulder field from summit Idaho: Sawtooth National Forest:White Cloud Mountains: Arnica latifolia NA Marx 2013-417 ID:169118 July 25, 2013 44.04019 -114.58878 Castle Peak: summit down southwest slope to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Arnica latifolia 13577 Marx 2012-044 ID:169174 August 10, 2012 44.09333 -115.99681 Braxon Peak: Summit down south face to treeline Idaho: Sawtooth National Forest: Sawtooth Mountains: Arnica latifolia 14128 Zion 2012-006 ID:169295 August 7, 2012 44.1117 -115.00318 Horstmann Peak: Just below summit to the SW Idaho: Sawtooth National Forest: Pioneer Mountians: Arnica mollis 14453 Marx 2013-251 ID:169357 August 7, 2013 43.77446 -114.15942 Salzburger Spitzl: talus down from summit Continued on next page Table Appendix S1 { continued from previous page DNA Specimen Species Accession Collection Number Date Collected Locality WGS N WGS W Voucher