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Photo Credit: Bruce Kirkby
Photo Credit: Tyler Garnham
Photo Credit: Tyler Garnham
Photo Credit: Bruce Kirkby
Photo Credit: Tyler Garnham
Photo Credit: Tyler Garnham
Photo Credit: Terry Parker
Photo Credit: Bruce Kirkby
Photo Credit: Terry Parker
Photo Credit: Tyler Garnham

Horton River Plant List

as composed by George W. Scotter, 1996

ASPIDIACEAE (Fern Family)
-Cystopteris fragilis (Fragile Fern)
-Woodsia glabella (Smooth Woodsia)
EQUISETACEAE (Horsetail Family)
-Equisetum arvense (Common Horsetail)
-Equisetum palustre (Marsh Horsetail)
-Equisetum scirpoides (Dwarf Scouring Horsetail)
-Equisetum variegatum (Variegated Horsetail)
LYCOPODIACEAE (Club-Moss Family)
-Lycopodium selago (Mountain Club-Moss)
PINACEAE (Pine Family)
-Juniperus communis (Ground Juniper)
-Picea glauca (White Spruce)
-Picea mariana (Black Spruce)
SPARGANIACEAE (Bur-Reed Family)
-Sparganium hyperboreum (Bur-Reed)
POTAMOGETONACEAE (Pond Weed Family)
-Potamogeton filiformis (Pond Weed)
-Potamogeton vaginatus (Pond Weed)
SCHEUCHZERIACEAE (Arrow-grass Family)
-Triglochin maritimum (Seaside Arrow-grass)
-Triglochin palustre (Marsh Arrow-grass)
GRAMINEAE (Grass Family)
-Arctagrostis latifolia
-Arctophila fulva
-Bromus pumpellianus
-Calamagrostis canadensis (Bluejoint)
-Calamagrostis purpurascens (Purple Reedgrass)
-Calamagrostis stricta
-Colpodium vahlianum
-Deschampsia brevifolia (Hair Grass)
-Dupontia fisheri
-Elymus alaskanus (Lyme-Grass)
-Festuca altaica
-Festuca baffinensis
-Festuca brachyphylla
-Festuca richardsonii
-Hierochloe alpina (Holy Grass)
-Hierochloe pauciflora
-Leymus mollis
-Poa alpigena (Bluegrass)
-Poa arctica (Arctic Bluegrass)
-Poa glauca (Glaucous Bluegrass)
-Puccinellia borealis
-Puccinellia phryganodes
-Puccinellia vaginata
-Trisetum spicatum (Downy oatgrass)
CYPERACEAE (Sedge Family)
-Carex aquatilis (Water sedge)
-Carex atrofusca
-Carex bicolor
-Carex capillaris (Hair-like Sedge)
-Carex chordorrhiza (Prostrate Sedge)
-Carex glacialis (Glacier Sedge)
-Carex lugens
-Carex maritima
-Carex membranacea
-Carex rariflora
-Carex saxatilis
-Carex scirpoidea (Rush-like Sedge)
-Carex subspathacea
-Carex ursina
-Carex vaginata (Sheathed Sedge)
-Eriophorum angustifolium (Cotton Grass)
-Eriophorum callitrix (Cotton Grass)
-Eriophorum scheuchzeri (Cotton Grass)
-Eriophorum triste (Cotton Grass)
-Eriophorum vaginatum (Cotton Grass)
-Kobresia myosuroides (Kobresia)
-Kobresia simpliciuscula (Kobresia)
-Scirpus caespitosus (Tufted Bulrush)
JUNCACEAE (Rushes)
-Juncus albescens (Bog-Rush)
-Juncus arcticus
-Juncus balticus (Baltic Rush)
-Juncus biglumis
-Juncus castaneus
-Luzula confusa (Wood-Rush)
-Luzula nivalis (Wood-Rush)
LILIACEAE (Lily Family)
-Tofieldia coccinea (False Asphodel)
-Tofieldia pusilla
-Zygadenus elegans (Death-camus)
ORCHIDACEAE
-Corallorhiza trifida (Coral-root)
-Habenaria obtusata (Northern Bog-Orchid)
SALICACEAE (Willow Family)
-Populus Balsamifera (Balsam poplar)
-Salix alaxensis
-Salix arctica (Arctic Willow)
-Salix brachycarpa
-Salix glauca (Smooth Willow)
-Salix hastata
-Salix lanata
-Salix phlebophylla
-Salix planifolia
-Salix polaris
-Salix reticulata (Snow Willow)
BETULACEAE
-Betula glandulosa (Dwarf Birch)
POLYGONACEAE (Buchwheat Family)
-Oxyria digyna (Mountain Sorrel)
-Polygonum viviparum (Bistort)
-Rumex arcticus (Arctic Dock)
CHENOPODIACEAE (Goosefoot Family)
-Suaeda calceoliformis (Sea Blite)
CARYOPHYLLACEAE (Chickweed / Pink Family)
-Arenaria humifusa (Sandwort)
-Cerastium beeringianum (Mountain Chickweed)
-Cerastium regelii (Chickweed)
-Honkenya peploides (Seabeach Sandwort)
-Minuartia biflora
-Minuartia rossii
-Minuartia stricta
-Minuartia rubella (Red-seeded Sandwort)
-Silene acaulis (Moss Campion)
-Silene involucrata
-Silene uralensis (Bladder Campion)
-Stellaria humifusa
-Stellaria longipes (Long-Stalked Starwort)
RANUNCULACEAE (Anemone & Buttercup Family)
-Anemone parviflora (Anemone)
-Anemone richardsonii (Anemone)
-Anemone palustris (Marsh Richardson Marigold)
-Caltha palustris (Yellow Marsh-Marigold)
-Ranunculus aquatilis (White Water Buttercup)
-Ranunculus cymbalaria (Northern Seaside Buttercup)
-Ranunculus gmelinii
-Ranunculus hyperboreus
-Ranunculus nivalis (Snow Buttercup)
-Ranunculus pedatifidus
-Ranunculus pygmaeus (Dwarf Buttercup)
PAPAVERCAEAE (Poppy Family)
-Papaver radicatum (Arctic Poppy)
CRUCIFERAE (Mustard Family)
-Braya glabella (Braya)
-Braya humilis
-Braya purpurascens
-Cardamine digitata
-Cardamine pratensis (Bitter Cress)
-Cochlearia officinalis (Scurvy Grass)
-Descurainia sophioides (Northern Tansy Mustard)
-Draba alpina (Alpine Rockcress)
-Draba cinerea
-Draba corymbosa
-Draba fladnizensis
-Draba glabella
-Draba subcapitata
-Erysimum inconspicuum (Yellow Wallflower)
-Erysimum pallasii (Pallas’ Wallflower)
-Eutrema edwardsii
-Lesquerella arctica (Arctic Bladderpod)
-Parrya arctica
SAXIFRAGACEAE (Saxifrage Family)
-Chrysosplenium tetrandrum (Golden Saxifrage)
-Parnassia palustris (Grass-of-Parnassis)
-Saxifraga aizoides (Yellow Mountain Saxifrage)
-Saxifraga caespitosa (Tufted Saxifrage)
-Saxifraga cernua (Nodding Saxifrage)
-Saxifraga foliolosa
-Saxifraga hirculus (Yellow Marsh Saxifrage)
-Saxifraga nivalis (Alpine Saxifrage)
-Saxifraga oppositifolia (Purple Saxifrage)
-Saxifraga rivularis (Brook Saxifrage)
-Saxifraga tricuspidata (Prickly Saxifrage)
ROSACEAE (Rose Family)
-Dryas integrifolia (Mountain Avens)
-Dryas syvatica (Avens)
-Potentilla egedii
-Potentilla fruticosa (Shrubby Cinquefoil)
-Potentilla hyparctica (Arctic Cinquefoil)
-Potentilla nivea (Snow Ciquefoil)
-Potentilla palustris (Marsh Cinquefoil)
-Potentilla prostrata
-Potentilla rubricaulis
-Potentilla vahliana
-Spiraea beauverdiana (Spiraea)
LEGUMINOSAE (Pea Family)
-Astragalus alpinus (Alpine Milkvetch)
-Astragalus eucosmus (Milkvetch)
-Hedysarum alpinum (Liquorice Root)
-Hedysarum mackenzii (Arctic Sweetvetch)
-Lupinus arcticus (Arctic Lupine)
-Oxytropis arctica (Arctic Locoweed)
-Oxytropis arctobia
-Oxytropis deflexa (Reflexed Locoweed)
-Oxytropis maydelliana (Yellow Oxytrope)
-Oxytropis varians
LINACEAE (Flax Family)
-Linum lewisii (Flax)
IMPETRACEAE (Crowberry Family)
-Empetrum nigrum (Crowberry)
ELAEAGNACEAE (Oleaster Family)
-Shepherdia canadensis (Soapberry)
ONAGRACEAE (Evening Primrose Family)
-Epilobium angustifolium (Fireweed)
-Epilobium latifolium (River Beauty)
HALORAGACEAE (Water-milfoil Family)
-Hippuris vulgaris (Mare’s Tail)>
PYROLACEAE (Wintergreen Family)
-Pyrola grandiflora (Large-Flowered Wintergreen)
-Pyrola secunda (One-sided Wintergreen)>
ERICAEAE (Heath Family)
-Andromeda polifolia (Bog Rosemary)
-Arctostaphylos rubra (Red Bearberry)
-Cassiope tetragona (Arctic White Heather)
-Ledum decumbens (Northern Labrador Tea)
-Ledum groenlandicum (Common Labrador Tea)
-Rhododendron lapponicum (Lapland Rose-bay)
-Vaccinium uliginosum (Bilberry)
-Vaccinium vitis-idaea (Mountain Cranberry)
PRIMULACEAE (Primrose Family)
-Androsace chamaejasme (Rock Jasmine)
-Androsace septentrionalis (Pygmyflower)
-Primula egaliksensis (Primrose)
-Primula stricta (Primrose)
PLUMBAGINACEAE (Leadwort Family)
>-Armeria maritima (Thrift)
GENTIANACEAE (Gentian Family)
-Gentianella propinqua (Gentian)
-Gentianopsis detonsa (Gentian)
-Lomatogonium rotatum (Marsh Felwort)
POLEMONIACEAE (Phlox Family)
-Phlox richardsonii (Richardson’s Phlox)
-Polemonium boreale (Jacob’s Ladder)
BORAGINACEAE (Borage Family)
-Mertensia drummondii (Drummond’s Lungwort)
SCROPHULARIACEAE (Figwort/Snapdragon Family)
-Castilleja caudata (Paintbrush)
-Castilleja elegans (Paintbrush)
-Castilleja hyperborea (Paintbrush)
-Pedicularis arctica (Arctic Lousewort)
-Pedicularis capitata (Few-flowered Lousewort)
-Pedicularis flammea (Flame-colored Lousewort)
-Pedicularis sudetica (Sudetan Lousewort)
LENTIBULARIACEAE (Bladderwort Family)
-Pinguicula vulgaris (Butterwort)
PLANTAGINACEAE (Plantain Family)
-Plantago canescens (Western Ribgrass)
CAPRIFOLIACEAE (Honeysuckle Family)
-Linnaea borealis (Twinflower)
CAMPANULACEAE (Bluebell Family)
-Campanula uniflora (Harebell)
COMPOSITAE (Composite/Daisy Family)
-Achillea nigrescens (Yarrow)
-Antennaria angustata (Pussy Toes)
-Antennaria compacta (Pussy Toes)
-Arnica angustifolia (Alpine Arnica)
-Arnica griscomii (Arnica)
-Artemisia borealis (Wormwood)
-Artemisia frigida (Pasture Sagewort)
-Artemisia hyperborea (Wormwood)
-Artemisia tilesii (Wormwood)
-Aster pygmaeus (Pygmy Aster)
-Aster sibiricus (Siberian Aster)
-Chrysanthemum arcticum (Arctic Daisy)
-Chrysanthemum integrifolium (Daisy)
-Crepis nana (Dwarf Hawk’s-beard)
-Erigeron compositus (Compound Fleabane)
-Erigeron ericocephalus (Fleabane)
-Erigeron humilis (Fleabane)
-Petasites sagittatus (Arrow-Leaved Coltsfoot)
-Senecio atropurpureus (Groundsel)
-Senecio hyperborealis (Groundsel)
-Senecio lugens (Black-tipped Grounsel)
-Solidago multiradiata (Golden Rod)
-Taraxacum alaskanum (Dandelion)
-Taraxacum dumetorum (Dandelion)
-Taraxacum pumilum (Dandelion)

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