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| BOR | ORE | | BOR | ORE |
Number of sites | 21 | 70 | | 21 | 70 |
Number of taxa | 110 | 213 | | 110 | 213 |
|
Boreal provinces: Differential taxa | | | Oregonian province: Differential taxa | | |
Betula papyrifera var. kenaica | 87 | — | Polygonum paronychia | — | 17 |
Puccinellia hultenii | 61 | — | Veronica scutellata | — | 16 |
Senecio pseudoarnica | 61 | — | Pteridium aquilinum var. pubescens | — | 16 |
Equisetum sylvaticum | 56 | — | Maianthemum dilatatum | — | 16 |
Ligusticum scoticum subsp. hultenii | 52 | — | Schoenoplectus americanus | — | 14 |
Poa eminens | 52 | — | Carex pansa | — | 14 |
Stellaria humifusa | 52 | — | Trifolium wormskjoldii | — | 14 |
Empetrum nigrum | 48 | — | Tsuga heterophylla | — | 13 |
Geocaulon lividum | 48 | — | Agrostis pallens | — | 13 |
Linnaea borealis subsp. americana | 48 | — | Vicia nigricans subsp. gigantea | — | 13 |
Picea glauca | 48 | — | Cuscuta salina | — | 13 |
Rosa acicularis subsp. acicularis | 48 | — | Spiranthes romanzoffiana | — | 13 |
Shepherdia canadensis | 48 | — | Pseudotsuga menziesii var. menziesii | — | 11 |
Lathyrus palustris | 43 | — | Thuja plicata | — | 11 |
Lycopodium annotinum | 43 | — | Grindelia integrifolia | — | 11 |
Orthilia secunda | 43 | — | Poa confinis | — | 11 |
Sorbus sitchensis | 43 | — | Lilaeopsis occidentalis | — | 11 |
Angelica lucida | 30 | — | Lathyrus littoralis | — | 10 |
Dendranthema arcticum subsp. arcticum | 26 | — | Baccharis pilularis | — | 8 |
Poa macrocalyx | 22 | — | Armeria maritima subsp. californica | — | 7 |
Artemisia campestris subsp. borealis | 17 | — | | | |
Atriplex alaskensis | 17 | — | Common taxa | | |
Salicornia marítima | 17 | — | Leymus mollis subsp. mollis | 91 | 50 |
Carex ramenskii | 14 | — | Carex lyngbyei | 87 | 39 |
Epilobium ciliatum subsp. glandulosum | 14 | — | Argentina egedii subsp. egedii | 78 | 50 |
Parnassia palustris var. palustris | 14 | — | Plantago maritima var. juncoides | 70 | 24 |
Puccinellia nutkaensis | 13 | — | Picea sitchensis | 48 | 69 |
Puccinellia phryganodes subsp. phryganodes | 13 | — | Hordeum brachyantherum subsp. brachyantherum* | 61 | 11 |
Rhinanthus minor subsp. groenlandicus | 13 | — | Lathyrus japonicus var. maritimus | 61 | 50 |
| | | Honkenya peploides subsp. major* | 56 | 11
|
Oregonian province: Differential taxa | | | Conioselinum gmelinii | 56 | 3 |
Gaultheria shallon | — | 60 | Viburnum edule* | 52 | 1 |
Vaccinium ovatum | — | 50 | Festuca rubra subsp. rubra | 52 | 26 |
Lonicera involucrata var. involucrata | — | 43 | Achillea millefolium | 52 | 26 |
Salix hookeriana | — | 41 | Vaccinium uliginosum* | 48 | 1 |
Ammophila arenaria | — | 41 | Triglochin maritimum | 48 | 33 |
Pinus contorta var. contorta | — | 39 | Dryopteris expansa | 48 | 4 |
Myrica califórnica | — | 37 | Oplopanax horridus* | 43 | 4 |
Carex obnupta | — | 36 | Menziesia ferruginea* | 43 | 3 |
Juncus lesueurii | — | 33 | Tiarella trifoliata* | 43 | 3 |
Polystichum munitum | — | 33 | Vaccinium membranaceum* | 43 | 3 |
Hypochaeris radicata | — | 27 | Athyrium filix-femina subsp. cyclosurum | 43 | 1 |
Sarcocornia perennis* | — | 26 | Deschampsia cespitosa subsp. beringensis | 35 | 37 |
Juncus falcatus | — | 26 | Mertensia maritima* | 35 | 1 |
Distichlis spicata | — | 24 | Calamagrostis canadensis* | 22 | 7 |
Jaumea carnosa | — | 24 | Chamerion angustifolium subsp. circumvagum* | 22 | 1 |
Arctostaphylos uva-ursi | — | 24 | Galium aparine | 22 | 3 |
Anaphalis margaritacea | — | 23 | Equisetum telmateia var. braunii* | 13 | 8 |
Cakile marítima | — | 23 | Glaux maritima* | 13 | 20 |
Cytisus scoparius | — | 23 | Ranunculus cymbalaria* | 13 | 1 |
Lupinus littoralis | — | 23 | Atriplex patula | 9 | 21 |
Alnus rubra | — | 20 | Fragaria chiloensis subsp. pacifica | 9 | 34 |
Tanacetum camphoratum | — | 20 | Juncus balticus | 9 | 17 |
Cardionema ramosissimum | — | 17 | Cakile edentula subsp. edentula var. edentula | 4 | 29 |
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