Statistics
Accepted families
164
Accepted genera
1190
Accepted species
4906
Accepted subspecies
463
Accepted varieties
882
Accepted forma
0
Accepted terminal taxa
5431
Excluded taxa*
485
Named hybrids
89
Unnamed hybrids
22
* not included in other tallies.
Min
Max
Mean
Most used...
Epithet
# Names
Species epithet
occidentalis
56
Subspecies epithet
californica
6
Variety epithet
douglasii
9
Shortest name
Zea mays (8)
Longest name
Species with the most subspecies or varieties
Eriogonum umbellatum (11)
Origin
# taxa
%
(blank)
1
0.1%
Both native and introduced
4
0.1%
Introduced
1511
27.8%
Introduced?
4
0.1%
Native
3929
72.3%
Native?
3
0.1%
Ferns and Lycophytes:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Aspleniaceae
1
4
5
4
1
0
1
Athyriaceae
1
2
3
3
0
0
0
Blechnaceae
2
2
2
2
0
0
0
Cystopteridaceae
2
5
5
5
0
0
0
Dennstaedtiaceae
1
1
2
2
0
0
1
Dryopteridaceae
2
17
17
17
0
0
0
Equisetaceae
1
14
15
15
0
0
0
Hymenophyllaceae
1
1
1
1
0
0
0
Isoetaceae
1
9
9
9
0
1
1
Lycopodiaceae
6
12
12
12
0
0
0
Marsileaceae
2
4
4
3
1
0
0
Onocleaceae
1
1
1
1
0
0
0
Ophioglossaceae
4
24
25
25
0
1
0
Osmundaceae
1
1
1
0
1
0
0
Polypodiaceae
1
6
6
6
0
1
0
Pteridaceae
6
15
17
17
0
1
6
Salviniaceae
1
3
3
2
1
0
0
Selaginellaceae
1
8
8
8
0
1
0
Thelypteridaceae
3
3
3
3
0
0
0
Woodsiaceae
1
3
5
5
0
0
2
TOTAL
39
135
144
140
4
5
11
Gymnosperms:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Cupressaceae
4
12
15
11
4
0
3
Pinaceae
6
25
30
27
3
3
4
Taxaceae
1
2
2
1
1
0
0
TOTAL
11
39
47
39
8
3
7
Dicots:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Adoxaceae
3
11
16
11
5
0
1
Aizoaceae
1
1
1
0
1
0
1
Amaranthaceae
25
88
92
42
50
2
15
Anacardiaceae
2
5
5
4
1
0
0
Apiaceae
42
148
150
123
27
41
11
Apocynaceae
3
10
10
7
3
0
2
Aquifoliaceae
1
1
1
0
1
0
0
Araliaceae
4
8
8
5
3
0
0
Aristolochiaceae
1
3
3
3
0
0
0
Asteraceae
161
618
689
509
177
62
58
Balsaminaceae
1
9
9
4
5
1
0
Berberidaceae
4
11
11
7
4
0
0
Betulaceae
3
14
16
12
4
0
2
Bignoniaceae
1
2
2
0
2
0
0
Boraginaceae
27
122
127
99
27
17
7
Brassicaceae
70
270
279
192
87
39
23
Cabombaceae
2
2
2
1
1
0
0
Cactaceae
3
6
6
6
0
1
2
Calycanthaceae
0
0
0
0
0
0
1
Campanulaceae
11
32
32
22
10
1
2
Cannabaceae
3
4
6
2
4
0
0
Caprifoliaceae
2
19
21
13
8
1
2
Caryophyllaceae
34
131
144
80
64
8
9
Celastraceae
3
9
9
7
2
1
0
Ceratophyllaceae
1
2
2
2
0
0
0
Cleomaceae
3
5
5
5
0
0
3
Convolvulaceae
4
18
19
13
6
0
10
Cornaceae
1
5
5
5
0
0
0
Crassulaceae
3
23
24
18
6
4
2
Crossosomataceae
1
1
1
1
0
0
0
Cucurbitaceae
5
5
5
2
3
0
0
Dipsacaceae
2
3
3
0
3
0
1
Droseraceae
2
5
5
4
1
0
1
Ehretiaceae
1
1
1
1
0
0
0
Elaeagnaceae
2
5
5
3
2
0
0
Elatinaceae
2
5
5
5
0
0
0
Ericaceae
25
66
69
63
6
0
2
Escalloniaceae
1
1
1
0
1
0
0
Euphorbiaceae
4
30
30
7
23
0
0
Fabaceae
38
276
352
263
88
66
36
Fagaceae
3
8
8
4
4
0
3
Frankeniaceae
1
1
1
0
1
0
0
Garryaceae
2
3
3
2
1
0
0
Gentianaceae
11
29
33
31
2
5
0
Geraniaceae
2
21
22
5
17
0
0
Grossulariaceae
1
26
35
32
3
5
3
Haloragaceae
1
10
10
7
3
0
0
Heliotropiaceae
2
3
3
1
2
0
0
Hydrangeaceae
3
3
3
2
1
0
0
Hydrophyllaceae
6
45
55
52
3
5
3
Hypericaceae
2
13
13
2
10
0
0
Juglandaceae
1
4
4
0
4
0
1
Lamiaceae
33
81
86
32
54
2
5
Lauraceae
1
1
1
0
1
0
0
Lentibulariaceae
2
7
8
7
1
0
0
Limnanthaceae
2
4
4
2
2
1
0
Linaceae
3
9
10
5
5
0
2
Linderniaceae
1
1
1
1
0
0
0
Linnaeaceae
1
1
1
1
0
0
0
Loasaceae
1
7
8
8
0
1
1
Lythraceae
3
6
6
2
4
0
3
Malvaceae
13
32
34
16
18
6
3
Martyniaceae
0
0
0
0
0
0
1
Mazaceae
1
1
1
0
1
0
0
Menyanthaceae
3
3
3
2
1
0
0
Molluginaceae
1
1
1
1
0
0
0
Montiaceae
7
32
36
35
1
9
2
Moraceae
2
2
2
0
2
0
1
Myricaceae
2
2
2
2
0
0
0
Namaceae
1
2
3
3
0
0
0
Nitrariaceae
1
1
1
0
1
0
0
Nyctaginaceae
2
8
10
7
3
3
4
Nymphaeaceae
2
6
6
4
2
0
1
Oleaceae
4
9
9
1
8
0
0
Onagraceae
15
80
84
69
15
1
9
Orobanchaceae
14
90
112
106
6
30
10
Oxalidaceae
1
9
9
3
6
0
0
Paeoniaceae
1
1
1
1
0
0
0
Papaveraceae
11
27
28
13
15
5
5
Paulowniaceae
1
1
1
0
1
0
0
Penthoraceae
1
1
1
0
1
0
0
Phrymaceae
4
36
36
34
1
6
4
Phytolaccaceae
1
1
1
0
1
0
0
Plantaginaceae
21
145
172
127
45
49
16
Platanaceae
1
1
0
0
0
0
0
Plumbaginaceae
2
3
4
2
2
0
0
Polemoniaceae
15
81
91
91
0
13
8
Polygalaceae
1
1
1
0
1
0
0
Polygonaceae
12
104
145
107
38
16
24
Portulacaceae
1
1
1
0
1
0
0
Primulaceae
9
40
42
33
9
8
0
Ranunculaceae
22
122
148
128
19
15
10
Resedaceae
1
4
4
0
4
0
0
Rhamnaceae
3
12
13
10
3
0
1
Rosaceae
48
231
250
142
108
19
31
Rubiaceae
5
21
21
11
10
0
5
Salicaceae
2
55
59
50
9
2
16
Santalaceae
5
13
17
16
1
2
4
Sapindaceae
2
12
13
5
8
0
0
Sarcobataceae
1
1
1
1
0
0
0
Sarraceniaceae
2
4
4
0
4
0
0
Saururaceae
1
1
1
1
0
0
0
Saxifragaceae
24
78
84
83
1
11
7
Scrophulariaceae
4
15
15
4
11
0
0
Simaroubaceae
1
1
1
0
1
0
0
Solanaceae
11
37
38
4
34
0
2
Tamaricaceae
1
4
4
0
4
0
0
Thymelaeaceae
2
3
3
0
3
0
0
Ulmaceae
1
4
4
0
4
0
0
Urticaceae
2
5
7
3
4
0
0
Valerianaceae
4
16
16
11
5
1
0
Verbenaceae
1
6
6
4
2
0
1
Violaceae
1
28
32
26
6
1
6
Vitaceae
2
5
4
0
4
0
0
Zygophyllaceae
2
2
2
0
2
0
0
TOTAL
882
3659
4070
2893
1169
460
383
Monocots:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Acoraceae
1
2
2
1
1
0
0
Alismataceae
3
11
11
5
6
0
1
Alstroemeriaceae
1
1
0
0
0
0
0
Amaryllidaceae
4
44
46
32
13
10
1
Araceae
8
16
15
11
4
0
2
Asparagaceae
12
29
36
23
13
2
5
Asphodelaceae
1
3
3
0
3
0
0
Butomaceae
1
1
1
0
1
0
0
Commelinaceae
2
2
2
0
2
0
0
Cyperaceae
15
279
287
251
36
1
21
Hydrocharitaceae
7
11
11
6
5
0
1
Iridaceae
5
22
27
19
8
5
2
Juncaceae
2
78
85
64
21
0
10
Juncaginaceae
1
5
6
6
0
0
0
Liliaceae
11
39
47
45
2
9
2
Melanthiaceae
5
11
15
15
0
3
1
Orchidaceae
13
42
49
48
1
1
1
Poaceae
122
426
474
270
201
16
35
Pontederiaceae
3
3
3
1
2
0
0
Potamogetonaceae
3
26
26
25
1
0
1
Ruppiaceae
1
1
1
1
0
0
0
Scheuchzeriaceae
1
1
1
1
0
0
0
Smilacaceae
1
2
2
0
2
0
0
Tofieldiaceae
2
3
5
5
0
0
0
Typhaceae
2
10
10
7
3
0
1
Zosteraceae
3
5
5
4
1
0
0
TOTAL
230
1073
1170
840
326
47
84
