Northwestern U.S.A. Plants of Northwestern U.S.A.Explore

• Families
• Genera
• Species 188

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Acaena novae-zelandiae Kirk

New Zealand-bur

87 74 Observations

Rosaceae

Agrimonia eupatoria L.

Agrimony

10 854 7 850 Observations

Rosaceae

Agrimonia gryposepala Wallr.

Common agrimony

321 237 Observations

Rosaceae

Agrimonia striata Michx.

Woodland Grooveburr

18 16 Observations

Rosaceae

Alchemilla arvensis (L.) Scop.

Breakstone

494 409 Observations

Rosaceae

Alchemilla australis (Rydb.) Bomble

 

63 43 Observations

Rosaceae

Alchemilla filicaulis Buser

Hairy lady's-mantle

51 41 Observations

Rosaceae

Alchemilla monticola Opiz

Hairy lady's mantle

720 568 Observations

Rosaceae

Amelanchier alnifolia (Nutt.) Nutt. ex M.Roem.

Least Concern

Saskatoon

675 490 Observations

Rosaceae

Amelanchier cusickii Fernald

Least Concern

Cusick's shadbush

7 2 Observations

Rosaceae

Amelanchier utahensis Koehne

Least Concern

Utah serviceberry

73 65 Observations

Rosaceae

Argentina anserina (L.) Rydb.

Least Concern

Silverweed

4 949 4 138 Observations

Rosaceae

Aruncus dioicus (Walter) Fernald

Goat's-beard

4 572 3 451 Observations

Rosaceae

Cercocarpus ledifolius Nutt.

Least Concern

Curlleaf mountain-mahogany

21 11 Observations

Rosaceae

Cercocarpus montanus Raf.

Least Concern

Mountain-mahogany

187 162 Observations

Rosaceae

Chamaebatiaria millefolium (Torr.) Maxim.

Fernbush

78 60 Observations

Rosaceae

Chamaerhodos erecta (L.) Bunge

Little rose

1 1 Observation

Rosaceae

Coleogyne ramosissima Torr.

Blackbrush

48 45 Observations

Rosaceae

Comarum palustre L.

Least Concern

Marsh cinquefoil

1 030 759 Observations

Rosaceae

Cotoneaster acutifolius Turcz.

Peking cotoneaster

830 608 Observations

Rosaceae

Cotoneaster affinis Lindl.

Purpleberry cotoneaster

33 14 Observations

Rosaceae

Cotoneaster apiculatus Rehder & E.H.Wilson

Apiculate Cotoneaster

3 1 Observation

Rosaceae

Cotoneaster bullatus Bois

Hollyberry cotoneaster

740 533 Observations

Rosaceae

Cotoneaster conspicuus Comber ex C.Marquand

Bearberry Cotoneaster

2 1 Observation

Rosaceae

Cotoneaster coriaceus Franch.

Red cluster berry

5 967 4 566 Observations

Rosaceae

Cotoneaster dammeri C.K.Schneid.

Bearberry Cotoneaster

2 291 1 686 Observations

Rosaceae

Cotoneaster dielsianus E.Pritz.

Diels' cotoneaster

100 52 Observations

Rosaceae

Cotoneaster divaricatus Rehder & E.H.Wilson

Divaricate cotoneaster

532 368 Observations

Rosaceae

Cotoneaster fangianus T.T.Yu

Fang's cotoneaster

6 2 Observations

Rosaceae

Cotoneaster franchetii Bois

Franchet's Cotoneaster

3 910 3 111 Observations

Rosaceae

Cotoneaster frigidus Wall. ex Lindl.

Tree cotoneaster

399 295 Observations

Rosaceae

Cotoneaster glaucophyllus Franch.

Glaucous cotoneaster

48 30 Observations

Rosaceae

Cotoneaster hebephyllus Diels

 

23 15 Observations

Rosaceae

Cotoneaster hjelmqvistii Flinck & B.Hylmö

Hjelmqvist's Cotoneaster

77 40 Observations

Rosaceae

Cotoneaster horizontalis Decne.

Rock cotoneaster

5 652 4 592 Observations

Rosaceae

Cotoneaster integrifolius (Roxb.) G.Klotz

Entire-leaved cotoneaster

102 57 Observations

Rosaceae

Cotoneaster nitens Rehder & E.H.Wilson

Few-flowered Cotoneaster

9 2 Observations

Rosaceae

Cotoneaster pannosus Franch.

Silver Cotoneaster

986 744 Observations

Rosaceae

Cotoneaster rehderi Pojark.

Hollyberry cotoneaster

12 7 Observations

Rosaceae

Cotoneaster salicifolius Franch.

Willow-leaved Cotoneaster

1 639 1 228 Observations

Rosaceae

Cotoneaster simonsii Baker

Himalayan cotoneaster

63 36 Observations

Rosaceae

Cotoneaster tengyuehensis J.Fryer & B.Hylmö

Rose

6 1 Observation

Rosaceae

Crataegus chrysocarpa Ashe

Least Concern

Fire-berry hawthorn

8 6 Observations

Rosaceae

Crataegus douglasii Lindl.

Least Concern

Black hawthorn

409 283 Observations

Rosaceae

Crataegus germanica (L.) Kuntze

Medlar

6 110 4 516 Observations

Rosaceae

Crataegus laevigata (Poir.) DC.

Least Concern

English hawthorn

13 365 10 633 Observations

Rosaceae

Crataegus macracantha Lodd. ex Loudon

Large-thorn hawthorn

7 3 Observations

Rosaceae

Crataegus monogyna Jacq.

Least Concern

Hawthorn

25 062 19 454 Observations

Rosaceae

Crataegus phaenopyrum (L.f.) Medik.

Least Concern

Washington hawthorn

199 143 Observations

Rosaceae

Crataegus pruinosa (H.L.Wendl.) K.Koch

Least Concern

Frosted Hawthorn

9 5 Observations

Rosaceae

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