Yukon Conservation Data Centre s Reportable Plant List Updated June 2012

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1 Yukon Conservation Data Centre s Reportable Plant List Updated June 2012 This is a list of vascular plants for which we are actively seeking sightings. We would like to track information on these plant species and have developed Field Observation forms (available for download on our website) to assist with this reporting. Documentation, such as a specimen or a photograph, is required to confirm identification. Family Scientific Name Common Name S Rank* Geographic Region** Poaceae Agrostis clavata Clubbed Bent Grass SH West-Central Alismataceae Alisma triviale Northern Water Plantain S1 Southeast Asteraceae Anaphalis margaritacea Pearly Everlasting S1 Southeast Brassicaceae Aphragmus eschscholtzianus Aleutian Cress S2S3 Southwest and South-Central Brassicaceae Arabidopsis lyrata ssp. petraea Sand-dune Rockcress S1S2 Northwest Brassicaceae Arabidopsis salsuginea Saltwater Cress S2 Southwest and South-Central Plumbaginaceae Armeria maritima Sea Thrift S2 Northwest, Northeast, North Coast Asteraceae Arnica parryi Parry's arnica SH South-Central, Central Asteraceae Artemisia globularia Purple Wormwood S2S3 Northwest, North Coast Asteraceae Artemisia laciniata Siberian Wormwood S3 Central, West-Central Asteraceae Artemisia rupestris ssp. woodii Rock Wormwood S2 Southwest, South-Central Aspleniaceae Asplenium viride Green Spleenwort S1 Southeast, West-Central Dryopteridaceae Athyrium alpestre ssp. americanum American Alpine Ladyfern SH Southeast Chenopodiaceae Atriplex dioica Thick-leaved Orache S2S3 South-Central Cyperaceae Blysmopsis rufa Red Bulrush S1 South-Central Ophioglossaceae Botrychium alaskense Alaska Moonwort S2S3 Southwest, Central, West-Central Ophioglossaceae Botrychium lineare Narrow-leaved Moonwort S1 Southwest, Central Ophioglossaceae Botrychium multifidum Leathery Grape-fern S1 Central, West-Central Cyperaceae Carex flava Yellow Sedge S1 Southeast Cyperaceae Carex laxa Weak Sedge S1S3 Central, West-Central Cyperaceae Carex oligosperma Few-seed Sedge S1 Central Cyperaceae Carex prairea Prairie Sedge SH Southeast Cyperaceae Carex sabulosa Baikal Sedge S2 Southwest, South-Central Cyperaceae Carex sartwellii Sartwell's Sedge SH South-Central Cyperaceae Carex xerantica Dry-land Sedge S1 South-Central Ceratophyllaceae Ceratophyllum demersum Common Hornwort S2 Reportable Plants List (June 2012) Page 1 of 5

2 Chenopodiaceae Chenopodium leptophyllum Narrowleaf Goosefoot S1 South-Central Pyrolaceae Chimaphila umbellata Common Wintergreen S1 Southeast Asteraceae Cirsium foliosum Leafy Thistle S2 Southwest, Southeast, South-Central Portulacaceae Claytonia megarhiza Alpine Springbeauty S1 Southwest Portulacaceae Claytonia ogilviensis Ogilvie Mountains Spring Beauty S2S3 West-Central Santalaceae Comandra umbellata ssp. pallida Pale Comandra S2S3 Southwest, South-Central, Central Chenopodiaceae Corispermum ochotense Alaskan Bugseed S2 Southwest, Central, West-Central Crassulaceae Crassula aquatica Water Pygmyweed S1 South-Central Boraginaceae Cynoglossum virginianum var. boreale Northern Wild Comfrey S1 Southeast Orchidaceae Cypripedium parviflorum Small Yellow Lady's-slipper S1S2 West-Central, Northeast Poaceae Danthonia spicata Poverty Oat-grass S1 Southeast Ranunculaceae Delphinium brachycentrum Arctic Larkspur S1S3 Southwest, West-Central, Northwest, Northeast, North Coast Primulaceae Douglasia alaskana Alaska Dwarf Primrose S2S3 Southwest Brassicaceae Draba densifolia Dense-leaved Draba S1S3 South-Central Brassicaceae Draba kluanei Kluane Whitlow-grass S1 Southwest Brassicaceae Draba murrayi Murray's Whitlow-grass S1 West-Central Brassicaceae Draba scotteri Scotter's Whitlow-grass S2S3 Southwest, South-Central Brassicaceae Draba stenopetala Star-flowered Draba S2 Southwest, West-Central Brassicaceae Draba ventosa Wind River Whitlow-grass S1 Southwest Brassicaceae Draba yukonensis Yukon Draba S1 Southwest Asteraceae Erigeron muirii Muir's Fleabane S1 North Coast Asteraceae Erigeron ochroleucus Buff Fleabane S2 Northwest Polygonaceae Eriogonum flavum var. aquilinum Yellow Buckwheat S1S2 Southwest Boraginaceae Eritrichium splendens Showy Forget-me-not S2 Southwest, Northwest, Northeast, North Coast Brassicaceae Erysimum angustatum Dawson Wallflower S2S3 Southwest, West-Central, Northwest Gentianaceae Gentianella tenella Slender Gentian S2 Southwest, North Coast Rosaceae Geum triflorum Prairie-smoke S1 Southeast, South-Central, Central Balsaminaceae Impatiens noli-tangere Western Jewelweed SNA Iridaceae Iris setosa Beach-head Iris S1 South-Central, West-Central Isoetaceae Isoetes echinospora Spiny-spored Quillwort S1 Southeast, South-Central, Southwest Isoetaceae Isoetes maritima Maritime Quillwort S1 Southwest, Northwest, Northeast Reportable Plants List (June 2012) Page 2 of 5

3 Poaceae Koeleria asiatica Oriental June Grass S2S3 Southwest, Northwest, Northeast Chenopodiaceae Krascheninnikovia lanata Winterfat S2 Southwest, South-Central Portulacaceae Lewisia pygmaea Alpine Lewisia S1 Southwest Orchidaceae Malaxis paludosa Bog Adder's-mouth S1 Northwest, Northeast Dryopteridaceae Matteuccia struthiopteris Ostrich Fern S1S2 southeast Saxifragaceae Micranthes spicata Spiked Saxifrage S1S2 West-Central Poaceae Muhlenbergia mexicana Mexican Muhly SH Southeast Najadaceae Najas flexilis Slender Naiad S1 Southeast, West-Central Asteraceae Nestotus macleanii Yukon Goldenweed S3 South-Central, Central Nymphaeaceae Nymphaea tetragona Pygmy Water-lily S1S2 West-Central Scrophulariaceae Orthocarpus luteus Yellow Owl's-clover S1 South-Central, Central Fabaceae Oxytropis arctica var. murrayi Murray's Arctic Locoweed S1S2 Southwest Fabaceae Oxytropis mertensiana Mertens' Locoweed S1S2 West-Central, Northeast Papaveraceae Papaver walpolei Walpole's Poppy S3 West-Central, Northeast Urticaceae Parietaria pensylvanica Pennsylvania Pellitory S1 Southeast Scrophulariaceae Pedicularis groenlandica Bull Elephant's-head S2 Southeast Thelypteridaceae Phegopteris connectilis Northern Beech Fern SH Southeast, Central Plantaginaceae Plantago maritima Seaside Plantain S1 Southwest Poaceae Poa abbreviata ssp. abbreviata Northern Bluegrass S2S3 West-Central, Northwest, Northeast Poaceae Poa abbreviata ssp. pattersonii Patterson Bluegrass S2S3 Southwest Poaceae Poa pseudoabbreviata Polar Bluegrass S2S3 Northwest Poaceae Podagrostis humilis Alpine Bent Grass S1 Southwest Apiaceae Podistera macounii Macoun's Podistera S2S3 West-Central, Northwest, Northeast Apiaceae Podistera yukonensis Yukon Podistera S2 Central, West-Central Polygonaceae Polygonum douglasii Douglas' Knotweed S1 Southeast Polypodiaceae Polypodium sibiricum Siberian polypody S1 Southeast, South-Central, Central, West- Central Potamogetonaceae Potamogeton obtusifolius Blunt-leaf Pondweed S1 Southwest, Central Potamogetonaceae Potamogeton strictifolius Straight-leaved Pondweed S1 Central Potamogetonaceae Potamogeton subsibiricus Yenisei River Pondweed S2S3 Southeast, West-Central, North Coast Rosaceae Potentilla ovina Sheep Cinquefoil S1? Southwest Poaceae Puccinellia vahliana Vahl's Alkali Grass S1 Southwest, North Coast Polygonaceae Rumex beringensis Bering Sea Dock S1 Southwest Ruppiaceae Ruppia cirrhosa Spiral Ditchgrass S1 Central Reportable Plants List (June 2012) Page 3 of 5

4 Chenopodiaceae Salicornia borealis Arctic Glasswort SNR South-Central Salicaceae Salix raupii Raup's willow S1 Southeast Salicaceae Salix sphenophylla Wedge-leaved Willow S1S2 Northwest Asteraceae Senecio sheldonensis Mount Sheldon Ragwort S2S3 Southwest, South-Central, Southeast, Central, Northeast Caryophyllaceae Silene williamsii William's Catchfly S2S3 Central, West-Central Brassicaceae Smelowskia porsildii Porsild's Smelowskia S1S2 West-Central, Northwest Caryophyllaceae Stellaria alaskana Alaska Starwort S1S3 Southwest Caryophyllaceae Stellaria dicranoides Matted Starwort S1 West-Central Asteraceae Symphyotrichum ciliatum Alkali Rayless Aster S1 South-Central Asteraceae Symphyotrichum yukonense Yukon Aster S2S3 Southwest Asteraceae Taraxacum carneocoloratum Pink Dandelion S1S3 West-Central, Northwest Asteraceae Taraxacum hyparcticum High-Arctic Dandelion SNR North Coast Anacardiaceae Toxicodendron rydbergii Northern Poison Ivy S1 Southeast Poaceae Trisetum sibiricum Siberian False Oats S1 West-Central, Northwest, North Coast Violaceae Viola biflora Twin-flowered Violet S2 West-Central Dryopteridaceae Woodsia scopulina Rocky Mountain Woodsia S2S3 South-Central Zannichelliaceae Zannichellia palustris Horned Pondweed S1 South-Central, Northeast *S Rank, or Subnational Rank, is a Yukon conservation status rank. For definitions of Subnational ranks go to **Geographic region boundaries are displayed on the map below. Reportable Plants List (June 2012) Page 4 of 5

5 Reportable Plants List (June 2012) Page 5 of 5