Subarctic America Plants of Subarctic AmericaExplore

• Families
• Genera
• Species 1 155

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Abies lasiocarpa (Hook.) Nutt.

Least Concern

Alpine fir

165 126 Observations

Pinaceae

Acer circinatum Pursh

Least Concern

Vine maple

367 308 Observations

Sapindaceae

Acer glabrum Torr.

Least Concern

Rocky Mountain maple

145 126 Observations

Sapindaceae

Acer macrophyllum Pursh

Least Concern

Bigleaf maple

1 081 916 Observations

Sapindaceae

Acer negundo L.

Least Concern

Boxelder

16 094 12 046 Observations

Sapindaceae

Achillea alpina L.

Chinese yarrow

18 12 Observations

Asteraceae

Achillea millefolium L.

Least Concern

Common yarrow

25 070 20 922 Observations

Asteraceae

Achillea ptarmica L.

Least Concern

Sneezewort

3 191 2 473 Observations

Asteraceae

Acorus calamus L.

Least Concern

Sweet-flag

626 479 Observations

Acoraceae

Actaea rubra (Aiton) Willd.

Red baneberry

699 587 Observations

Ranunculaceae

Adiantum pedatum L.

Northern maidenhair

554 483 Observations

Pteridaceae

Adoxa moschatellina L.

Moschatel

764 552 Observations

Viburnaceae

Agastache foeniculum (Pursh) Kuntze

Anise hyssop

1 804 1 384 Observations

Lamiaceae

Ageratina altissima (L.) R.M.King & H.Rob.

White Snakeroot

1 084 850 Observations

Asteraceae

Agoseris aurantiaca (Hook.) Greene

Mountain agoseris

46 44 Observations

Asteraceae

Agoseris glauca (Pursh) Raf.

Prairie agoseris

33 28 Observations

Asteraceae

Agropyron cristatum (L.) Gaertn.

Crested wheatgrass

108 90 Observations

Poaceae

Agrostemma githago L.

Common Corncockle

3 758 3 142 Observations

Caryophyllaceae

Agrostis canina L.

Least Concern

Velvet bent

50 32 Observations

Poaceae

Agrostis capillaris L.

Common Bent

1 545 1 182 Observations

Poaceae

Agrostis exarata Trin.

Spike redtop

11 6 Observations

Poaceae

Agrostis gigantea Roth

Redtop

134 89 Observations

Poaceae

Agrostis hyemalis (Walter) Britton, Sterns & Poggenb.

Winter bentgrass

4 4 Observations

Poaceae

Agrostis mertensii Trin.

Northern bent

10 9 Observations

Poaceae

Agrostis microphylla Steud.

Small-leaf bent

2 2 Observations

Poaceae

Agrostis scabra Willd.

Tickle grass

2 2 Observations

Poaceae

Agrostis stolonifera L.

Least Concern

Spreading bent

360 237 Observations

Poaceae

Agrostis vinealis Schreb.

Brown bent

17 14 Observations

Poaceae

Alchemilla alpina L.

Alpine lady's-mantle

1 567 1 173 Observations

Rosaceae

Alchemilla filicaulis Buser

Hairy lady's-mantle

51 41 Observations

Rosaceae

Alchemilla glabra Neygenf.

Smooth lady's-mantle

164 116 Observations

Rosaceae

Alisma plantago-aquatica L.

Least Concern

Water-plantain

1 718 1 250 Observations

Alismataceae

Alisma triviale Pursh

Least Concern

Northern water-plantain

35 31 Observations

Alismataceae

Allium fistulosum L.

Welsh onion

629 543 Observations

Amaryllidaceae

Allium schoenoprasum L.

Least Concern

Chives

4 324 3 621 Observations

Amaryllidaceae

Allium vineale L.

Wild garlic

3 222 2 710 Observations

Amaryllidaceae

Alnus alnobetula (Ehrh.) K.Koch

Least Concern

Green Alder

1 598 1 119 Observations

Betulaceae

Alnus incana (L.) Moench

Least Concern

Grey alder

2 457 1 789 Observations

Betulaceae

Alnus rubra Bong.

Least Concern

Red alder

47 29 Observations

Betulaceae

Alopecurus aequalis Sobol.

Least Concern

Orange foxtail

119 74 Observations

Poaceae

Alopecurus arundinaceus Poir.

Least Concern

Creeping foxtail

36 29 Observations

Poaceae

Alopecurus geniculatus L.

Marsh foxtail

112 73 Observations

Poaceae

Alopecurus magellanicus Lam.

Least Concern

Alpine foxtail

12 12 Observations

Poaceae

Alopecurus pratensis L.

Meadow foxtail

2 713 2 068 Observations

Poaceae

Alyssum alyssoides (L.) L.

Small alison

1 028 659 Observations

Brassicaceae

Amaranthus albus L.

Prostrate pigweed

492 369 Observations

Amaranthaceae

Amaranthus blitoides S.Watson

Mat Amaranth

496 341 Observations

Amaranthaceae

Amaranthus retroflexus L.

Reflexed amaranth

8 285 6 178 Observations

Amaranthaceae

Ambrosia artemisiifolia L.

Annual ragweed

4 738 3 745 Observations

Asteraceae

Ambrosia chamissonis Greene

Silver bur ragweed

133 124 Observations

Asteraceae

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