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Flora of Northwestern United States.
- This category includes the native flora of the Northwestern United States, within the United States, in North America.
- Taxa of the lowest rank are always included. Higher taxa are included only if endemic.
- For the purposes of this category, the "Northwestern United States" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions. That is, the geographic region is defined by the political boundaries of its constituents:
Subcategories
This category has the following 6 subcategories, out of 6 total.
Pages in category "Flora of the Northwestern United States"
The following 200 pages are in this category, out of approximately 494 total. This list may not reflect recent changes.
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A
- Achnatherum richardsonii
- Acmispon grandiflorus
- Aconitum columbianum
- Actaea rubra
- Adiantum aleuticum
- Agoseris aurantiaca
- Agoseris glauca
- Agoseris grandiflora
- Agoseris heterophylla
- Agoseris monticola
- Agrostis pallens
- Allenrolfea occidentalis
- Allium acuminatum
- Allium bisceptrum
- Allium columbianum
- Allium fibrillum
- Allium textile
- Allium tolmiei
- Almutaster
- Ambrosia acanthicarpa
- Ambrosia chamissonis
- Amelanchier alnifolia
- Amelanchier utahensis
- Amsinckia lycopsoides
- Amsinckia menziesii
- Amsinckia tessellata
- Androsace filiformis
- Anemonastrum narcissiflorum
- Anemone drummondii
- Anemone parviflora
- Antennaria alpina
- Antennaria anaphaloides
- Antennaria corymbosa
- Antennaria densifolia
- Antennaria dimorpha
- Antennaria flagellaris
- Antennaria lanata
- Antennaria luzuloides
- Antennaria marginata
- Antennaria media
- Antennaria microphylla
- Antennaria monocephala
- Antennaria neglecta
- Antennaria parvifolia
- Antennaria pulcherrima
- Antennaria racemosa
- Antennaria rosea
- Antennaria umbrinella
- Anticlea elegans
- Anticlea occidentalis
- Aquilegia flavescens
- Aquilegia formosa
- Arctostaphylos rubra
- Aristida purpurea
- Arnica cordifolia
- Arnica fulgens
- Arnica gracilis
- Arnica lanceolata
- Arnica latifolia
- Arnica longifolia
- Arnica mollis
- Arnica ovata
- Arnica parryi
- Arnica rydbergii
- Arnica sororia
- Artemisia carruthii
- Artemisia douglasiana
- Artemisia michauxiana
- Artemisia norvegica
- Artemisia nova
- Artemisia papposa
- Artemisia spiciformis
- Artemisia spinescens
- Artemisia tridentata
- Astragalus aboriginorum
- Astragalus bisulcatus
- Astragalus crassicarpus
- Astragalus desperatus
- Astragalus kentrophyta
- Astragalus miser
- Astragalus purshii
- Athyrium americanum
- Atriplex canescens
- Atriplex confertifolia
- Atriplex gardneri
- Atriplex nuttallii
- Atriplex truncata
B
C
- Calochortus elegans
- Calochortus gunnisonii
- Calochortus nitidus
- Calochortus subalpinus
- Caltha leptosepala
- Calylophus lavandulifolius
- Camas prairie
- Campanula petiolata
- Carex albonigra
- Carex amplifolia
- Carex angustata
- Carex backii
- Carex concinnoides
- Carex cusickii
- Carex exsiccata
- Carex foenea
- Carex haydeniana
- Carex luzulina
- Carex multicostata
- Carex pachystachya
- Carex praeceptorum
- Carex retrorsa
- Carex rupestris
- Carex spectabilis
- Carex sprengelii
- Carex straminiformis
- Cassiope mertensiana
- Castilleja minor
- Castilleja rhexiifolia
- Castilleja sessiliflora
- Ceanothus sanguineus
- Ceanothus velutinus
- Centromadia pungens
- Chenopodium desiccatum
- Chrysothamnus greenei
- Chrysothamnus humilis
- Chrysothamnus vaseyi
- Chrysothamnus viscidiflorus
- Cicuta douglasii
- Cirsium brevifolium
- Clarkia pulchella
- Claytonia lanceolata
- Collinsia parviflora
- Columbiadoria
- Corallorhiza mertensiana
- Cornus sericea
- Coryphantha
- Crataegus chrysocarpa
- Crataegus douglasii
- Crepis bakeri
- Crepis barbigera
- Crepis modocensis
- Crepis runcinata
- Cryptantha ambigua
- Cryptogramma acrostichoides
- Cyperus eragrostis
- Cypripedium fasciculatum
D
E
- Elaeagnus commutata
- Elymus elymoides
- Engellaria
- Epilobium foliosum
- Epilobium minutum
- Eremocarya
- Ericameria bloomeri
- Ericameria nana
- Ericameria nauseosa
- Ericameria parryi
- Ericameria resinosa
- Ericameria suffruticosa
- Erigeron disparipilus
- Erigeron elatus
- Erigeron grandiflorus
- Erigeron linearis
- Erigeron lonchophyllus
- Erigeron oreganus
- Erigeron peregrinus
- Erigeron poliospermus
- Erigeron radicatus
- Erigeron speciosus
- Eriocoma nelsonii
- Eriocoma thurberiana
- Eriogonum heracleoides
- Eriogonum hookeri
- Eriogonum maculatum
- Eriogonum microthecum
- Eriogonum nudum
- Eriogonum ovalifolium