Southwestern U.S.A. Plants of Southwestern U.S.A.Explore

• Families
• Genera 1,434
• Species

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Abies

1,733 1,123 Observations

6 species

Abronia

463 416 Observations

9 species

Abutilon

3,012 2,376 Observations

4 species

Acacia

12,496 9,415 Observations

12 species

Acaciella

68 52 Observations

1 species

Acaena

98 80 Observations

2 species

Acalypha

46 41 Observations

2 species

Acamptopappus

20 19 Observations

1 species

Acanthomintha

9 9 Observations

2 species

Acanthoscyphus

5 5 Observations

1 species

Acanthus

13,315 11,188 Observations

1 species

Acer

38,209 29,743 Observations

6 species

Achillea

31,359 25,816 Observations

2 species

Achlys

85 78 Observations

1 species

Achyrachaena

89 86 Observations

1 species

Acleisanthes

7 3 Observations

1 species

Acmispon

86 61 Observations

8 species

Aconitum

172 147 Observations

1 species

Acorus

689 525 Observations

1 species

Acourtia

44 43 Observations

3 species

Acrachne

1 1 Observation

1 species

Actaea

720 602 Observations

1 species

Adelinia

362 350 Observations

1 species

Adenocaulon

148 116 Observations

1 species

Adenophyllum

28 24 Observations

2 species

Adenostoma

93 74 Observations

2 species

Adiantum

3,329 2,893 Observations

2 species

Adonis

783 516 Observations

1 species

Adoxa

775 562 Observations

1 species

Aegilops

1,279 934 Observations

4 species

Aeluropus

101 27 Observations

1 species

Aeonium

9,032 8,146 Observations

2 species

Aeschynomene

81 22 Observations

2 species

Aesculus

706 617 Observations

1 species

Agastache

231 184 Observations

4 species

Agave

9,258 8,269 Observations

11 species

Ageratina

727 561 Observations

5 species

Ageratum

596 453 Observations

2 species

Agnorhiza

8 8 Observations

1 species

Agoseris

259 249 Observations

6 species

Agrimonia

11,656 8,443 Observations

3 species

Agropyron

123 102 Observations

2 species

Agrostemma

4,132 3,433 Observations

1 species

Agrostis

2,226 1,645 Observations

12 species

Ailanthus

12,287 9,356 Observations

1 species

Aira

110 83 Observations

1 species

Aizoon

30 19 Observations

1 species

Ajuga

22,198 18,686 Observations

1 species

Albizia

13,247 10,859 Observations

1 species

Alcea

14,932 12,376 Observations

1 species

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