Vascular Plants of North Slope County, Alaska
Generated from PNW Herbaria database
July 10, 2025.
39 family names
130 genus names
377 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
{an additional 0 species/infraspecies are to be expected based on presence in one of these adjacent counties: ; these names are colored gray and enclosed in braces}
Index to Families:
FERNS:
DICOTS:
Asteraceae: Achillea, Antennaria, Arctanthemum, Arnica, Artemisia, Askellia, Aster, Chrysanthemum, Erigeron, Eurybia, Hulteniella, Packera, Saussurea, Senecio, Solidago, Symphyotrichum, Tanacetum, Taraxacum, Tephroseris
Brassicaceae: Arabidopsis, Braya, Cardamine, Cochlearia, Descurainia, Draba, Eutrema, Noccaea, Parrya, Rorippa, Smelowskia
Caryophyllaceae: Cerastium, Cherleria, Dianthus, Lychnis, Sabulina, Sagina, Silene, Stellaria, Wilhelmsia
Ericaceae: Andromeda, Arctous, Cassiope, Empetrum, Kalmia, Orthilia, Pyrola, Rhododendron, Vaccinium
MONOCOTS:
Poaceae: Alopecurus, Anthoxanthum, Arctagrostis, Arctophila, Bromus, Calamagrostis, Deschampsia, Dupontia, Elymus, Festuca, Hierochloe, Koeleria, Leymus, Phippsia, Poa, Puccinellia, Trisetum
FERNS:
Dryopteris fragrans (SRP; 2014)
Equisetum arvense (UAAH, WWB; 2019)
Equisetum fluviatile (UAAH; 2018)
Equisetum palustre (UAAH; 2017)
Equisetum scirpoides (UAAH; 2019)
Equisetum variegatum (UAAH; 2019)
Huperzia arctica (WTU; 1984)
Woodsia glabella (WTU; 1952)
DICOTS:
Bupleurum americanum (UAAH; 2017)
Bupleurum triradiatum (WTU; 1984)
Achillea millefolium (UAAH; 2019)
Antennaria alpina (UAAH, WTU; 2019)
Antennaria monocephala (UAAH, WTU; 2017)
ssp. angustifolia (WTU; 1984)
Arctanthemum arcticum (EWU; 1972)
Arnica angustifolia (UAAH; 2019)
ssp. angustifolia (UAAH; 2019)
Arnica griscomii (UAAH, WTU; 2019)
ssp. frigida (UAAH, WTU; 2019)
Arnica lessingii (WTU; 1984)
ssp. lessingii (WTU; 1984)
Artemisia campestris (UAAH, WTU, WWB; 2018)
var. borealis (UAAH, WTU, WWB; 2018)
Artemisia globularia (WWB; 1977)
Artemisia tilesii (UAAH, WTU, WWB; 2019)
Askellia pygmaea (WTU; 1952)
Aster sibiricus (WTU; 1976)
ssp. subintegerrimus (WTU; 1976)
Chrysanthemum bipinnatum (WTU; 1973)
ssp. bipinnatum (WTU; 1973)
Erigeron humilis (UAAH, WTU; 2018)
Erigeron hyperboreus (WTU; 1979)
Erigeron muirii (ID; 1986)
Erigeron uniflorus (UAAH, WTU; 2018)
var. eriocephalus (UAAH, WTU; 2018)
Eurybia sibirica (UAAH; 2019)
Hulteniella integrifolia (ID, UAAH, WWB; 2018)
Packera cymbalaria (UAAH, WTU; 2018)
Saussurea angustifolia (ID, UAAH, WTU; 2019)
var. angustifolia (WTU; 1973)
Senecio lugens (UAAH; 2018)
Solidago multiradiata (UAAH; 2019)
Symphyotrichum pygmaeum (UAAH; 2017)
Tanacetum bipinnatum (UAAH, WTU; 2019)
Taraxacum alaskanum (UAAH; 2018)
Taraxacum ceratophorum (UAAH, WTU, WWB; 2019)
Taraxacum phymatocarpum (UAAH; 2017)
Tephroseris frigida (UAAH, WTU; 2019)
Tephroseris integrifolia (UAAH, WTU; 2018)
ssp. atropurpurea (UAAH, WTU; 2018)
Tephroseris palustris (ID, UAAH, WTU; 2018)
Alnus viridis (UAAH; 2018)
ssp. fruticosa (UAAH; 2018)
Betula nana (ID, WTU; 1988)
ssp. exilis (ID, WTU; 1988)
Eritrichium nanum (WTU; 1979)
var. aretioides (WTU; 1978)
var. chamissonis (WTU; 1979)
Eritrichium splendens (WTU; 1978)
Arabidopsis kamchatica (UAAH, WTU; 2018)
Braya glabella (UAAH, WTU; 2019)
ssp. glabella (WTU; 1973)
ssp. purpurascens (UAAH; 2019)
Braya humilis (UAAH, WTU; 2017)
ssp. humilis (UAAH, WTU; 2017)
Cardamine digitata (UAAH, WTU; 2018)
Cardamine microphylla (WWB; 1977)
Cardamine nymanii (UAAH, WTU; 2013)
Cardamine pratensis (UAAH, WTU; 2019)
Cochlearia groenlandica (WTU, WWB; 1977)
Cochlearia officinalis (UAAH; 2019)
Descurainia sophioides (WTU; 1978)
Draba alpina (ID, UAAH, WTU; 2018)
Draba alpina × Draba lactea (WTU; 1949)
Draba cinerea (UAAH; 2018)
Draba fladnizensis (UAAH; 2018)
Draba hirta (UAAH; 2017)
Draba lactea (UAAH, WTU; 2017)
Draba lanceolata (WTU; 1949)
Draba lonchocarpa (UAAH; 2018)
Draba nivalis (UAAH, WTU; 2018)
Eutrema edwardsii (UAAH; 2018)
Noccaea arctica (WTU; 1984)
Parrya nudicaulis (ID, UAAH, WTU; 2013)
Rorippa palustris (WTU; 1952)
Smelowskia porsildii (WTU; 1956)
Campanula lasiocarpa (WTU; 1978)
Cerastium beeringianum (UAAH, WTU; 2019)
Cerastium regelii (UAAH; 2018)
Cherleria arctica (ID, UAAH, WTU; 2019)
Cherleria obtusiloba (WTU; 1973)
Dianthus repens (WTU; 1984)
Lychnis apetala (WTU; 1973)
ssp. arcticum (WTU; 1973)
Sabulina rossii (WTU; 1973)
Sabulina rubella (UAAH; 2018)
Sabulina sororia (UAAH; 2018)
Sagina nivalis (UAAH; 2018)
Silene acaulis (ID, WTU; 1986)
Silene involucrata (WTU; 1952)
ssp. involucrata (WTU; 1952)
Silene uralensis (UAAH, WTU; 2019)
ssp. uralensis (UAAH, WTU; 2019)
Stellaria crassifolia (UAAH; 2017)
Stellaria humifusa (ID, UAAH, WTU; 2019)
Stellaria longipes (UAAH, WTU; 2019)
ssp. longipes (UAAH, WTU; 2019)
Wilhelmsia physodes (UAAH, WTU; 2019)
Parnassia kotzebuei (UAAH, WTU; 2019)
Parnassia palustris (UAAH, WTU; 2019)
Diapensia obovata (WTU; 1984)
Andromeda polifolia (WTU; 1978)
Arctous alpina (UAAH, WTU; 2018)
Arctous rubra (UAAH, WTU; 2019)
Cassiope tetragona (ID, WTU; 1988)
ssp. tetragona (ID, WTU; 1988)
Empetrum nigrum (WTU; 1984)
Kalmia procumbens (UAAH, WTU; 2019)
Orthilia secunda (ID; 1988)
Pyrola grandiflora (WTU; 1984)
Rhododendron lapponicum (UAAH, WTU; 2018)
Rhododendron tomentosum (ID, WTU; 1988)
Vaccinium uliginosum (WTU; 1984)
Vaccinium vitis-idaea (ID, WTU, WWB; 1988)
Astragalus alpinus (UAAH, WTU, WWB; 2019)
ssp. alpinus (WWB; 1977)
Astragalus australis (UAAH; 2018)
var. glabriusculus (UAAH; 2018)
Astragalus eucosmus (UAAH; 2019)
Astragalus lepagei (WTU; 1952)
Astragalus umbellatus (UAAH, WTU; 2018)
Hedysarum alpinum (UAAH, WTU; 2019)
Hedysarum boreale (UAAH; 2019)
var. mackenzii (UAAH; 2019)
Lathyrus japonicus (WTU; 1950)
Lupinus latifolius (WTU; 1973)
var. latifolius (WTU; 1973)
Oxytropis borealis (UAAH; 2018)
var. viscida (UAAH; 2017)
Oxytropis campestris (UAAH; 2019)
var. jordalii (UAAH; 2019)
Oxytropis deflexa (UAAH; 2019)
Oxytropis nigrescens (UAAH, WTU, WWB; 2017)
var. nigrescens (UAAH, WTU, WWB; 2017)
Oxytropis scammaniana (WTU; 1973)
Gentiana propinqua (WTU; 1973)
ssp. propinqua (WTU; 1973)
Gentianella propinqua (UAAH; 2018)
ssp. propinqua (UAAH; 2018)
Utricularia intermedia (UAAH, WTU; 2019)
Utricularia vulgaris (UAAH; 2019)
ssp. macrorhiza (UAAH; 2019)
Menyanthes trifoliata (WTU; 1952)
Chamaenerion latifolium (ID, UAAH, WTU; 2019)
Epilobium palustre (UAAH; 2019)
Castilleja elegans (UAAH; 2019)
Castilleja hyperborea (WTU; 1979)
Castilleja pallida (UAAH, WTU; 2019)
var. caudata (UAAH, WTU; 2019)
Pedicularis capitata (ID, UAAH, WTU, WWB; 2018)
Pedicularis labradorica (UAAH; 2019)
Pedicularis lanata (ID, UAAH, WTU; 2017)
Pedicularis langsdorffii (UAAH, WTU; 2019)
ssp. arctica (UAAH, WTU; 2019)
Pedicularis lapponica (UAAH; 2017)
Pedicularis pennellii (UAAH, WTU; 2017)
Pedicularis sudetica (ID, UAAH, WTU, WWB; 2019)
ssp. albolabiata (ID, UAAH; 2013)
ssp. pacifica (WWB; 1977)
Pedicularis verticillata (UAAH; 2019)
Papaver lapponicum (UAAH; 2018)
Papaver macounii (UAAH, WTU, WWB; 2019)
ssp. discolor (UAAH; 2019)
Papaver radicatum (ID, WTU; 1986)
ssp. radicatum (WTU; 1973)
Hippuris vulgaris (ID; 1988)
Lagotis glauca (WTU, WWB; 1978)
ssp. lanceolata (WTU, WWB; 1977)
Armeria maritima (UAAH, WTU; 2017)
ssp. sibirica (UAAH, WTU; 2017)
Polemonium boreale (ID, WTU, WWB; 1986)
ssp. boreale (WTU, WWB; 1975)
Polemonium caeruleum (WTU; 1973)
ssp. villosum (WTU; 1973)
Bistorta officinalis (WTU; 1978)
Bistorta plumosa (ID, WTU; 1988)
Bistorta vivipara (WTU; 1984)
Oxyria digyna (WTU; 1978)
Rumex arcticus (UAAH, WTU, WWB; 2013)
Rumex graminifolius (WTU; 1978)
Androsace chamaejasme (UAAH, WTU, WWB; 2018)
ssp. lehmanniana (UAAH, WTU, WWB; 2018)
Androsace septentrionalis (UAAH, WTU; 2018)
Dodecatheon frigidum (WTU; 1978)
Primula borealis (WWB; 1977)
Primula egaliksensis (UAAH; 2019)
Aconitum delphiniifolium (WTU, WWB; 1977)
Anemone drummondii (UAAH; 2018)
var. lithophila (UAAH; 2018)
Anemone parviflora (UAAH, WTU; 2017)
Anemone richardsonii (WTU; 1973)
Beckwithia glacialis (WTU; 1978)
ssp. camissonis (WTU; 1978)
Caltha palustris (UAAH, WTU; 2018)
Coptidium lapponicum (UAAH; 2019)
Delphinium brachycentrum (WTU; 1973)
Ranunculus aquatilis (UAAH; 2017)
var. diffusus (UAAH; 2017)
Ranunculus flammula (UAAH; 2016)
var. reptans (UAAH; 2016)
Ranunculus gmelinii (UAAH; 2019)
Ranunculus hyperboreus (UAAH; 2019)
Comarum palustre (WTU; 1984)
Dasiphora fruticosa (WTU; 1984)
Dryas drummondii (WTU; 1984)
Dryas integrifolia (ID, UAAH, WTU; 2018)
ssp. integrifolia (ID, WTU; 1986)
Dryas octopetala (WTU; 1984)
Geum glaciale (WTU; 1984)
Geum rossii (WTU; 1956)
Potentilla anserina (EWU; 1972)
ssp. pacifica (EWU; 1972)
Potentilla biflora (UAAH; 2019)
Potentilla hookeriana (WTU, WWB; 1978)
ssp. hookeriana (WWB; 1977)
Potentilla hyparctica (UAAH, WTU; 2018)
ssp. hyparctica (WTU; 1956)
Potentilla pensylvanica (WTU; 1950)
Potentilla pulchella (WTU; 1952)
Potentilla subgorodkovii (WTU; 1984)
Potentilla villosa (WTU; 1956)
Rubus chamaemorus (WTU, WWB; 1984)
Salix arbusculoides (UAAH; 2018)
Salix arctica (WTU, WWB; 1984)
ssp. arctica (WTU; 1984)
Salix fuscescens (UAAH; 2018)
Salix glauca (UAAH, WTU; 2018)
var. acutifolia (WTU; 1984)
Salix hastata (UAAH; 2019)
Salix niphoclada (UAAH, WTU; 2018)
Salix ovalifolia (UAAH, WTU, WWB; 2019)
var. arctolitoralis (WTU; 1973)
Salix petrophila (UAAH; 2018)
Salix phlebophylla (UAAH, WTU; 2017)
Salix polaris (UAAH; 2017)
Salix pulchra (UAAH, WTU; 2019)
Salix reticulata (ID, WTU; 1988)
Salix richardsonii (UAAH; 2017)
Salix rotundifolia (UAAH; 2019)
Boykinia richardsonii (WTU; 1978)
Chrysosplenium tetrandrum (UAAH, WTU; 2019)
Micranthes foliolosa (UAAH; 2018)
Micranthes hieraciifolia (WTU; 1978)
Micranthes nelsoniana (WTU; 1978)
var. nelsoniana (WTU; 1978)
Saxifraga cernua (ID, WTU; 1986)
Saxifraga cespitosa (ID; 1986)
Saxifraga funstonii (WTU; 1984)
Saxifraga hirculus (ID, WTU, WWB; 1986)
Saxifraga oppositifolia (WTU; 1979)
ssp. oppositifolia (WTU; 1973)
Saxifraga radiata (WWB; 1977)
Saxifraga rivularis (HPSU, WTU; 1966)
Saxifraga serpyllifolia (WTU; 1956)
Saxifraga tricuspidata (WTU; 1956)
Valeriana capitata (WTU; 1978)
MONOCOTS:
Carex aquatilis (MONT, UAAH, WTU, WWB; 2019)
ssp. aquatilis (WTU; 1985)
var. minor (WTU, WWB; 1975)
Carex atrofusca (UAAH, WTU; 2019)
Carex bicolor (UAAH; 2019)
Carex bigelowii (UAAH, WTU; 2019)
ssp. lugens (WTU; 1984)
Carex capillaris (UAAH, WTU; 2019)
Carex chordorrhiza (UAAH, WTU; 2016)
Carex concinna (UAAH; 2018)
Carex fuliginosa (MONT, UAAH; 2019)
Carex gynocrates (MONT; 1994)
Carex holostoma (UAAH; 2018)
Carex krausei (UAAH, WTU; 2019)
Carex marina (UAAH; 2019)
Carex maritima (WTU; 1952)
Carex membranacea (UAAH; 2019)
Carex nardina (UAAH, WTU; 2018)
Carex paysonis (WTU; 1956)
Carex ramenskii (UAAH; 2019)
Carex rariflora (UAAH, WTU; 2019)
Carex rotundata (UAAH; 2019)
Carex rupestris (UAAH, WTU; 2018)
Carex saxatilis (WTU; 1985)
Carex scirpoidea (MONT, UAAH, WTU; 2018)
ssp. scirpoidea (MONT, WTU; 1994)
Carex stylosa (UAAH, WTU; 2018)
Carex subspathacea (UAAH; 2019)
Carex supina (WTU; 1985)
ssp. spaniocarpa (WTU; 1985)
Carex tenuiflora (WTU; 1952)
Carex vaginata (UAAH, WTU; 2017)
Carex williamsii (UAAH; 2019)
Eriophorum angustifolium (UAAH, WTU, WWB; 2018)
ssp. angustifolium (WTU; 1985)
ssp. triste (WWB; 1975)
Eriophorum callitrix (UAAH, WTU; 2018)
Eriophorum chamissonis (MONT, UAAH; 2016)
Eriophorum russeolum (UAAH, WTU; 2019)
ssp. leiocarpum (UAAH; 2019)
var. leucoelsix (WTU; 1953)
Eriophorum scheuchzeri (UAAH, WTU; 2019)
Kobresia myosuroides (UAAH; 2018)
Kobresia sibirica (UAAH; 2019)
Kobresia simpliciuscula (UAAH; 2018)
Juncus arcticus (UAAH, WTU; 2019)
ssp. alaskanus (UAAH, WTU; 2019)
Juncus biglumis (UAAH, WTU; 2017)
Juncus castaneus (UAAH; 2019)
Juncus triglumis (UAAH; 2019)
Luzula arcuata (UAAH; 2013)
ssp. unalaschcensis (UAAH; 2013)
Luzula confusa (UAAH, WTU; 2019)
Luzula groenlandica (WTU; 1984)
Luzula kjellmaniana (UAAH; 2019)
Luzula multiflora (MONT, UAAH, WTU; 2016)
Luzula nivalis (UAAH; 2019)
Luzula rufescens (WTU; 1985)
Luzula wahlenbergii (UAAH; 2018)
Lloydia serotina (ID, WTU; 1988)
Platanthera obtusata (UAAH; 2019)
Alopecurus magellanicus (WTU, WWB; 1977)
Anthoxanthum arcticum (UAAH, WWB; 2018)
Arctagrostis latifolia (UAAH, WTU, WWB; 2019)
ssp. arundinacea (WTU; 1978)
ssp. latifolia (UAAH, WWB; 2019)
Arctophila fulva (ID, UAAH; 2018)
Bromus pumpellianus (UAAH; 2019)
ssp. pumpellianus (UAAH; 2019)
Calamagrostis canadensis (WTU; 1984)
Calamagrostis lapponica (UAAH; 2019)
Calamagrostis purpurascens (UAAH; 2019)
Calamagrostis stricta (UAAH, WTU; 2019)
ssp. inexpansa (UAAH; 2016)
ssp. stricta (UAAH, WTU; 2019)
Deschampsia brevifolia (UAAH; 2019)
Deschampsia cespitosa (UAAH, WTU, WWB; 2019)
Deschampsia sukatschewii (UAAH; 2019)
Dupontia fisheri (UAAH; 2019)
Elymus alaskanus (UAAH; 2019)
ssp. alaskanus (UAAH; 2019)
Elymus macrourus (UAAH; 2019)
Festuca baffinensis (UAAH, WTU; 2019)
Festuca brachyphylla (UAAH, WTU; 2019)
Festuca rubra (UAAH; 2019)
ssp. arctica (UAAH; 2019)
Hierochloe alpina (WTU; 1984)
Hierochloe odorata (UAAH; 2019)
Koeleria asiatica (UAAH, WTU; 2018)
Leymus mollis (WWB; 1977)
Phippsia algida (UAAH; 2019)
Poa alpina (UAAH; 2019)
Poa arctica (UAAH, WTU, WWB; 2019)
ssp. arctica (UAAH, WTU; 2019)
ssp. lanata (UAAH, WTU; 2019)
Poa glauca (UAAH, WTU; 2019)
ssp. glauca (UAAH; 2017)
Poa pratensis (UAAH, WWB; 2019)
ssp. alpigena (UAAH, WWB; 2019)
Poa sublanata (UAAH; 2018)
Puccinellia andersonii (UAAH; 2019)
Puccinellia nuttalliana (UAAH; 2018)
Puccinellia phryganodes (UAAH; 2019)
Puccinellia vaginata (UAAH, WWB; 2013)
Trisetum spicatum (UAAH, WTU; 2019)
Potamogeton subsibiricus (UAAH; 2017)
Stuckenia filiformis (UAAH; 2017)
Stuckenia vaginata (UAAH; 2016)
Tofieldia coccinea (MONT, UAAH; 2019)
Tofieldia pusilla (MONT, UAAH, WTU; 2019)
Sparganium hyperboreum (UAAH; 2017)