Draba yukonensis A.E. Porsild
Annotated by S. Dar, June 2016. Remarks: B.A. Bennett, January 2017

Yukon Territory: Taye Lake, south of. Elev. 1200 m
60.860776°, -136.326154°
Rocky knob and south-facing pocket grassland. 120 aspect, crest to 10° slope. With tall grasses, Saxifraga tricuspidata, Rosa acicularis, Juniperus horizontalis, Pulsatilla ludoviciana, Potentilla uniflora, Saxifraga tricuspidata, Artemisia frigida, Minuartia sp., Androsace septentrionalis, Oxytropis sp., Calamagrostis purpurascens, Erigeron caespitosus, Carex sp., Potentilla arenosa, Erigeron ochroleucus?, Senecio lugens, Antennaria sp., Achillea millefolium, and Flavocetraria nivalis. Site 2. Accuracy 3 m.

S. Dar 2016-06-024, June 20, 2016
BABY, Accession: BABY-10038, Genetic barcoding: CCDB-23389-A1

Draba yukonensis A.E. Porsild
Annotated by S. Dar, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Stevens Creek West. Elev. 1152 m
61.782585°, -137.655643°
Rocky knoll and pocket grassland with Phlox richardsonii, Saxifraga tricuspidata, Potentilla arenosa, Minuartia rubella?, Senecio ogotorukensis? Erigeron caespitosus, Penstemon gormanii, Draba yukonensis, Pulsatilla ludoviciana, Artemisia frigida, Polemonium sp., Gentiana propinqua, Androsace septentrionalis, Carex spp., Calamagrostis purpurascens, Juniperus horizontalis, Picea glauca, lichens, and mosses. Slope 32°, aspect 155°. EOID 1265. >50 Draba yukonensis plants in 5x5 m area. Accuracy 5 m, site 1, waypoint 600.

S. Dar s.n., June 5, 2014
With S. Stotyn, M. Svoboda
BABY, Accession: BABY-09454, Genetic barcoding: CCDB-23321-B7

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Moraine Lake, east of. Elev. 934 m
60.978250°, -136.765290°
Grassland complex with Draba yukonensis; D. cana; Festuca saximontana var saximontana; Erigeron caespitosus; Artemisia frigida; Cladina sp.; Potentilla arenosa; Penstemon gomanii; Antennaria sp.; Penstemon procerus; Solidago simplex; Androsace septentrionalis; Arabis sp (pinetorum?; purple flowers). Slope 20°, aspect 208°. EOID 1260. Accuracy 5 m, site 2. Newspaper had coordinates 60.97828 -136.76524.

S. Stotyn s.n., June 9, 2014
With M. Svoboda, M. Gill
BABY, Accession: BABY-09436, Genetic barcoding: CCDB-23321-D2

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Mount Vowels. Elev. 669 m
61.433070°, -136.093640°
Draba yukonensis; Poa sp; Minuartia sp. (x2); Androsace septentrionalis; Artemesia frigida; Oxytropis splendens; Geum triflorum . EOID 1262. Accuracy 5 m, site 4.

S. Stotyn s.n., June 9, 2014
With M. Svoboda, M. Gill
BABY, Accession: BABY-09437, Genetic barcoding: CCDB-23321-D3

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Taye Lake, north end. Elev. 741 m
60.954670°, -136.400820°
Grasslands with Draba yukonensis; Populus tremuloides; Rosa sp; Achillea millefolium; Androsace septentrionalis; Pulsatilla ludoviciana; Antennaria sp.; Artemisia frigida; Fragaria virginiana ssp. glauca; Oxytropis sp; Potentilla arenosa ssp. arenosa; Carex sp.; Poa sp.; Galium boreale?; Astagalus alpinus?; Silene uralensis ssp uralensis. Slope 5°, aspect 206°. EOID 1259. Accuracy 3 m, site 1. 60.95442 -136.40024 written on the newspaper.

S. Stotyn s.n., June 9, 2014
With M. Svoboda, M. Gill
BABY, Accession: BABY-09439, Genetic barcoding: CCDB-23321-D5

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Hutshi Lakes and Nordenskiold River, plateau between. Elev. 879 m
61.116220°, -136.622160°
Grassland complex on plateau with Draba yukonensis; Picea glauca; Pulsatilla ludoviciana; Erigeron caespitosus; Minuartia spp.; and Oxytropis sp. Slope 0°, aspect 0°. Plantago canescens; Potentilla arenosa ssp. arenosa; Solidago simplex; Carex sp.; Festuca sp; . EOID 1261. Accuracy 3 m, site 3. Newspaper had coordinates 61.11624 -136.62225.

S. Stotyn s.n., June 9, 2014
With M. Svoboda, M. Gill
BABY, Accession: BABY-09440, Genetic barcoding: CCDB-23321-D6

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Lake Terrace Creek. Elev. 1208 m
61.574350°, -136.667220°
Draba yukonensis; Potentilla arenosa; Draba cana (?); Chamaerhodos erecta; Erysimum coarctatum; Androsace septentrionalis; Erigeron caespitosus; Festuca saximontana; Grass sp; Oxytropis viscida; Saxifraga tricuspidata; Silene acaulis; Minuartia sp.? EOID 1263. Accuracy 3 m, site 5.

S. Stotyn s.n., June 13, 2014
With M. Svoboda, M. Mossop
BABY, Accession: BABY-09438, Genetic barcoding: CCDB-23321-D4

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn, June 2014. Remarks: B.A. Bennett, February 2016

Yukon Territory: Lake Terrace Creek, upper. Elev. 1288 m
61.554970°, -136.748700°
Draba yukonensis; Salix sp; Silene acaulis; Oxytropis visida; Potentilla arenosa; Calamagrostis purpurescens; Saxifraga tricuspidata; Epilobium angustifolium; Artemesia campestris, Erigeron hyperboreus (ochroleucus)? EOID 1264. Accuracy 3 m, site 7.

S. Stotyn s.n., June 13, 2014
With M. Svoboda, M. Mossop
BABY, Accession: BABY-09443, Genetic barcoding: CCDB-23321-A1

Draba yukonensis A.E. Porsild
Annotated by B.A. Bennett, February 2016.

Yukon Territory: Incised Creek. Elev. 1140 m
61.656410°, -136.728131°
Gentle south-facing grassy slope 13°, aspect 176° near valley bottom with Erigeron ochroleucus?, E. caespitosus, Potentilla arenosa, P. fruticosa, Oxytropis viscida, Androsace septentrionalis, Minuartia obtusiloba?, Draba cana, Draba yukonensis, Erysimum coarctatum, Pulsatilla ludoviciana, Carex sp., Festuca saximontana,Senecio tundricola, Flavocetraria nivalis, F. cuculata, Cetraria islandica, Cladina sp., Stereocaulon sp., and crustose lichen sp. EOID 1265. Draba yukonensis collected inadvertently at this waypoint (667) with other Draba sp. Accuracy 4 m, site 5.

S. Dar s.n., June 19, 2014
With S. Stotyn
BABY, Accession: BABY-09445, Genetic barcoding: CCDB-23321-C1

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; S.G. Cannings, June 2013.

Yukon Territory: Lister Creek, lower. Elev. 959.25 m
61.452312°, -137.222057°
Grassland meadow at crest of slope. Slope 5-30°, aspect 245°; with Draba yukonensis, Draba cana, Androsace septentrionalis, Arabis sp., Potentilla arenosa, Erigeron caespitosus, Minuartia sp., Artemisia frigida, Oxytropis splendens, Bupleurum americanum, Bromus pumpellianus, Penstemon gormanii, and Pulsatilla ludoviciana. Site 1. 8 plants, 7 mature, 1 immature, covering 2 x 2 m. Accuarcy 5 m. BOLD barcode CCDB-21230-C08. Occasional. 10 duplicates (UBC).

S. Dar Waypt 331, June 9, 2013
With S. Stotyn, S.G. Cannings
BABY, Accession: BABY-08476, Genetic barcoding: CCDB-21230-C8

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; S.G. Cannings, June 2013.

Yukon Territory: Isaac Creek, mouth of. Elev. 966.83 m
61.457211°, -137.602667°
Draba yukonensis, Draba cana, Androsace septentrionalis, Arabis sp., Potentilla arenosa, Erigeron caespitosus, Minuartia sp., Artemisia frigida, Oxytropis splendens, Bupleurum americanum, Bromus pumpellianus, Penstemon gormanii, Pulsatilla ludoviciana, Potentilla pensylvanica, Carex sp., Poa sp., Calamagrostis purpurascens, Festuca sp., and Arctostaphylos uva-ursi. Site 3. 11 duplicates.

S. Dar Waypt 343, June 9, 2013
With S. Stotyn, S.G. Cannings
BABY, Accession: BABY-08477, Genetic barcoding: CCDB-21230-A8

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; S.G. Cannings, June 2013.

Yukon Territory: Isaac Creek, high elevation site south of. Elev. 1312.78 m
61.387898°, -137.579209°
Draba yukonensis, Draba cana, Androsace septentrionalis, Arabis sp., Potentilla arenosa, Erigeron caespitosus, Minuartia sp., Artemisia frigida, Oxytropis splendens, Bupleurum americanum, Bromus pumpellianus, Penstemon gormanii, Pulsatilla ludoviciana, Potentilla pensylvanica, Carex sp., Poa sp., Calamagrostis purpurascens, Festuca sp., andArctostaphylos uva-ursi. Site 4. 2 plants collected. BOLD barcode CCDB-21230-B08. 9 duplicates (UBC).

S. Dar Waypt 351, June 9, 2013
With S. Stotyn, S.G. Cannings
BABY, Accession: BABY-08475, Genetic barcoding: CCDB-21230-B8

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; S.G. Cannings, June 2013.

Yukon Territory: Lister Creek, upper, grassland complex. Elev. 1070.75 m
61.40943°, -137.27336°
Grassland meadow at crest of slope. Slope 5, aspect 212; Draba yukonensis, Draba cana, Androsace septentrionalis, Arabis sp., Potentilla arenosa, Erigeron caespitosus, Minuartia sp., Artemisia frigida, Oxytropis splendens, Bupleurum americanum, Bromus pumpellianus, Penstemon gormanii, and Pulsatilla ludoviciana. Site 2. Draba yukonensis common on crest; no counts taken. Accuarcy 3 m. Common. 7 duplicates.

S. Dar Waypt Stotyn 498, June 9, 2013
With S. Stotyn, S.G. Cannings
BABY, Accession: BABY-08471, Genetic barcoding: CCDB-21230-D7

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; S.G. Cannings, June 2013.

Yukon Territory: Aishihik Lake, bison exclosure plot immediately north of graveyard. Elev. 951.05 m
61.597994°, -137.523674°
Androsace septentrionalis, Arabis sp., Potentilla arenosa, Erigeron caespitosus, Minuartia sp., Artemisia frigida, Oxytropis splendens, Bupleurum americanum, Bromus pumpellianus, Penstemon gormanii, Pulsatilla ludoviciana, Potentilla pensylvanica, Carex sp., Poa sp., Calamagrostis purpurascens, Festuca sp., and Arctostaphylos uva-ursi. Site 2. 9 mature plants, no immature. 8 duplicates.

S. Dar Waypt 386, June 11, 2013
With S. Stotyn, S.G. Cannings
BABY, Accession: BABY-08474, Genetic barcoding: CCDB-21230-D8

Draba yukonensis A.E. Porsild
Annotated by S. Dar; S. Stotyn; M. Svoboda, July 2013.

Yukon Territory: Hutshi Lakes, flat meadow between 2 lower lakes, on north side of Nordenskiold. Elev. 777.85 m
61.177631°, -136.569575°
Flat bench on north side of Hutshi Lakes, no slope; Saxifraga tricuspidata, Oxytropis splendens, Castilleja yukonis, Poa sp., Potentilla arenosa, Erigeron caespitosus, Pulsatilla ludoviciana, Androsace septentrionalies, Achillea millefolium, Antennaria sp., Silene involucrata, Stellaria?, and Artemisia frigida. Site 7. 21 plants, 4 mature, 17 immature, 1 with flowers; cover 2 X 2 m. Accuarcy 3 m. Collected 2 dead and 1 immature plant. 12 duplicates.

S. Dar Waypt 407, July 3, 2013
With S. Stotyn, M. Svoboda
BABY, Accession: BABY-08479, Genetic barcoding: CCDB-21230-F8

Draba yukonensis Porsild
Annotated by S.G. Cannings, June 2012. Remarks: B.A. Bennett, October 2012

Yukon Territory: Aishihik Lake, northwest of Aishihik village. Elev. 941 m
61.597067°, -137.521888°
Saxifraga tricuspidata, Pulsatilla ludoviciana, Picea glauca, Minuartia sp; Chamaerhodos erecta, Oxytropis splendans, Bromus pumpellianus, Potentialla arenosa, P. pensylvanica, Phlox richardsonii (?), Androsace septentrionalis, Penstemon gormanii, and Koeleria asiatica. GPS accuracy=3 m; SD photos 2089-2091; specimens at site exhibiting both short dense foliage and elongate foliage (sometimes both foliage types occurring on the same plant) Material taken for DNA study by Kieren Mitchell ARC Research Associate, Australian Centre for Ancient DNA (ACAD) 13 July 2015 #MTRW_YT15_82. 6 duplicates.

S. Dar SDGPS075, June 6, 2012
With S.G. Cannings
BABY, Accession: BABY-08342, Genetic barcoding: CCDB-18357-C3

Draba yukonensis Porsild
Annotated by S.G. Cannings, June 2012. Remarks: B.A. Bennett, October 2012

Yukon Territory: Aishihik Lake, northwest of Aishihik village. Elev. 966 m
61.603033°, -137.529498°
Draba cana, and other "typical" species found at Aishihik sites (Festuca saximontanta, Carex spp, Solidago multiradiata, Antennaria rosea, Gentiana sp?, Potentialla arenosa, Phlox richardsonii (?), and Androsace septentrionalis. GPS accuracy=4 m; SD overview photos 2137-2138; D. yukonensis abundant at this micro-site; mid-slope, sandy soil, 20-25° slope, 270° aspect. 5 duplicates (MO).

S. Dar SDGPS090, June 6, 2012
With S.G. Cannings
BABY, Accession: BABY-08343, Genetic barcoding: CCDB-18357-B3

Draba yukonensis Porsild
Annotated by L. Schroeder, August 2012. Remarks: B.A. Bennett, October 2012

Yukon Territory: Nordenskiold River. Elev. 744 m
61.220361°, -136.415583°
On flat, dry bench (one of the VERY few flat grasslands I've seen - I mean totally flat) above Nordenskjold River. Growing with Potentilla arenosa, Poa glauca, Danthonia intermedia, Calamagrostis purpurascens, Carex obtusata, Antennaria rosea, Pulsatilla ludovicia, and Geum triflorum. In thesis plot 2012-30. Only 1 plant found, despite crawling around on my knees for a while in search for more. 4 duplicates.

L. Schroeder 2012-16, August 3, 2012
With V. Loewen, K. Kuba
BABY, Accession: BABY-08341, Genetic barcoding: CCDB-18357-D3

Draba yukonensis Porsild
Annotated by L. Schroeder, August 2012. Remarks: B.A. Bennett, October 2012

Yukon Territory: Aishihik Lake, west side. Elev. 957 m
61.452333°, -137.22225°
Grassland complex along a series of eskers, aspect 250 degrees, slope 45%. Growing with Potentilla pennsylvanica, P. arenosa, Artemisia frigida, Poa glauca, Calamagrostis purpurascens, Carex supina, and C. duriuscula. In thesis plot 2012-36. I found about 30 plants in the plot, but there may be more - I spent about 15 minutes looking in the area. 3 duplicates.

L. Schroeder 2012-82, August 21, 2012
With J. Staniforth, C. Hawkins
BABY, Accession: BABY-08340, Genetic barcoding: CCDB-18357-E3

Draba yukonensis A.E. Porsild
Annotated by J. Line, May 2009.

Yukon Territory: Haines Junction, Alsek drainage, Draba yukonensis "middle meadow".
60.78686°, -137.66728°
In a cushion of moss. Waypoint 50 - collections of 2 plants. The first plant had a robust rosette, several flowering stalks and one dead stalk from last year. Photos were taken (see 109LIN01YTCA). Thirty cm away was a seedling with first leaves was also collected. There were many dead Draba yukonensis plants from last year in the vicinity. Some of these dead plants had as many as 22 flowering stalks. BIOTICS Source feature ID914. 2 duplicates.

J.M. Line s.n., May 31, 2009
BABY, Accession: BABY-07818, Genetic barcoding: CCDB-18326-A8

Draba yukonensis A.E. Porsild
Annotated by B.A. Bennett.

Yukon Territory: Alsek Road ~900m in from Alaska Highway. Elev. 632 m
60.7866°, -137.6808°
Meadow dominated by Draba oligosperma and Erigeron caespitosus. 500 plants counted. Only known from single field. 1 duplicate.

B.A. Bennett 06-0014, June 2, 2006
With J.M. Line, L. Schroeder, M. Owen
BABY, Accession: BABY-05610, Genetic barcoding: CCDB-18326-H9

Draba yukonensis A.E. Porsild
Annotated by Curtis R. Bjork, 2011.

Yukon Territory: Vicinity of Mackintosh, Alaska Highway, Mile 1022.
Dry area, among grasses.

Wilfred B. Schofield 7319, 1957 Jun 29
With Harold A. Crum
UBC, Accession: V115798

Draba yukonensis A.E. Porsild
Annotated by Ihsan A. Al-Shehbaz, 12 Jun 2008. Remarks: Former nature_of_id: expert.

Yukon Territory: Alsek R. valley near mi 1021 Alaska Hwy.
60.78° N, 137.63° W,
Datum: unknown. Coordinate Source: unknown. not recorded. unverified.
Open stony ridge on ancient beach. Http://arctos.database.museum/guid/UAM:Herb:38641. Number of labels=1.

Hugh Miller Raup 11938, 1944/06/26
With Lucy G. Raup
ALA, Catalog: UAM:Herb:38641, ALAAC=20857

Draba yukonensis A.E. Porsild
Annotated by Curtis R. Bjork, 2011.

Yukon Territory: Alsek River valley near mile 1021.
60.8° N, 137.6° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Open stony ride on ancient beach. Arnold Arboretum Expedition to the Alaska Highway.

Hugh M. Raup 11938, 1944 Jun 26
With L.G. Raup
UBC, Accession: V100229

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn.

Yukon Territory: Mount Vowels. Elev. 669 m
61.43307° N, 136.09364° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Draba yukonensis, Poa sp., Minuartia sp. (x2), Androsace septentrionalis, Artemesia frigida, Oxytropis splendens, Geum triflorum.

S. Stotyn s.n.,
With M. Svoboda, M. Gill
UBC, Accession: V248487

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn.

Yukon Territory: Taye Lake, north end. Elev. 741 m
60.95467° N, 136.40082° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Grasslands with Draba yukonensis, Populus tremuloides, Rosa sp., Achillea millefolium, Androsace septentrionalis, Pulsatilla ludoviciana, Antennaria sp., Artemisia frigida, Fragaria virginiana subsp. glauca, Oxytropis sp., Potentilla arenosa subsp. arenosa, Carex sp., Poa sp., Galium boreale?, Astagalus alpinus?, Silene uralensis subsp. uralensis; slope 5 degrees, aspect 206 degrees.

S. Stotyn s.n.,
With M. Svoboda, M. Gill
UBC, Accession: V248488

Draba yukonensis A.E. Porsild
Annotated by S. Stotyn.

Yukon Territory: Lake Terrace Creek. Elev. 1208 m
61.57435° N, 136.66722° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Draba yukonensis, Potentilla arenosa, Draba cana (?), Chamaerhodos erecta, Erysimum coarctatum, Androsace septentrionalis, Erigeron caespitosus, Festuca saximontana, Grass sp., Oxytropis viscida, Saxifraga tricuspidata, Silene acaulis, Minuartia sp.?

S. Stotyn s.n.,
With M. Svoboda, M. Mossop
UBC, Accession: V248489