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USA
Plants of the United States
Explore
Families
Genera
Species
Options
Sort by
Genera
Images count
Observations count
Species count
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Abelmoschus
801
688
Observations
species
1
Abies
3,739
2,704
Observations
species
9
Abronia
367
352
Observations
species
10
Abrus
247
187
Observations
species
1
Abutilon
2,229
1,677
Observations
species
8
Acacia
6,967
5,106
Observations
species
19
Acaena
61
52
Observations
species
2
Acalypha
706
543
Observations
species
10
Acamptopappus
17
17
Observations
species
1
Acanthocereus
72
62
Observations
species
1
Acanthomintha
9
9
Observations
species
2
Acanthospermum
123
83
Observations
species
2
Acanthus
8,940
7,597
Observations
species
1
Acer
65,546
52,362
Observations
species
17
Achillea
29,467
24,450
Observations
species
7
Achlys
26
24
Observations
species
1
Achyrachaena
80
80
Observations
species
1
Achyranthes
600
403
Observations
species
3
Acicarpha
13
7
Observations
species
1
Acinos
14
8
Observations
species
1
Acleisanthes
4
3
Observations
species
1
Aconitum
4,392
3,404
Observations
species
3
Acorus
314
265
Observations
species
1
Acourtia
40
40
Observations
species
3
Acrachne
1
1
Observation
species
1
Acrostichum
99
77
Observations
species
2
Actaea
1,967
1,549
Observations
species
5
Actinidia
800
632
Observations
species
3
Adenanthera
158
97
Observations
species
1
Adenocaulon
98
80
Observations
species
1
Adenophyllum
26
23
Observations
species
2
Adenostoma
66
59
Observations
species
1
Adiantum
2,894
2,510
Observations
species
7
Adonis
1,805
1,283
Observations
species
3
Adoxa
460
335
Observations
species
1
Aegilops
833
610
Observations
species
6
Aegopodium
6,870
5,507
Observations
species
1
Aeluropus
79
16
Observations
species
1
Aeonium
2,616
2,321
Observations
species
2
Aeschynomene
114
67
Observations
species
3
Aesculus
12,881
10,009
Observations
species
6
Aethusa
851
555
Observations
species
1
Agalinis
215
188
Observations
species
9
Agapanthus
6,225
5,400
Observations
species
1
Agastache
994
774
Observations
species
7
Agave
8,962
7,971
Observations
species
17
Ageratina
637
506
Observations
species
8
Ageratum
2,098
1,817
Observations
species
3
Aglaonema
3,942
3,670
Observations
species
1
Agnorhiza
8
8
Observations
species
1
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Genera