Statistics
Accepted families
159
Accepted genera
1021
Accepted species
3631
Accepted subspecies
345
Accepted varieties
580
Accepted forma
0
Accepted terminal taxa
3914
Excluded taxa*
111
Named hybrids
66
Unnamed hybrids
16
* not included in other tallies.
 
Min
Max
Mean
Genera per family
1
6.4
species per family
1
23.2
Terminal taxa per family
1
25.3
Synonyms per taxon
1
2.7
Most used...
Epithet
# Names
Species epithet
occidentalis
45
Subspecies epithet
californica
6
Variety epithet
occidentalis
9
Shortest name
Species with the most subspecies or varieties
Origin
# taxa
%
Both native and introduced
7
0.2%
Introduced
1215
31%
Introduced?
6
0.2%
Native
2695
68.9%
Native?
6
0.2%
Ferns and Lycophytes:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Aspleniaceae
1
3
4
3
1
0
0
Athyriaceae
1
2
2
2
0
0
0
Blechnaceae
2
2
2
2
0
0
0
Cystopteridaceae
2
4
4
4
0
0
0
Dennstaedtiaceae
1
1
1
1
0
0
0
Dryopteridaceae
2
13
13
13
0
0
0
Equisetaceae
1
14
15
15
0
0
0
Hymenophyllaceae
1
1
1
1
0
0
0
Isoetaceae
1
8
8
8
0
0
0
Lycopodiaceae
6
11
11
11
0
0
0
Marsileaceae
2
4
4
3
1
0
0
Ophioglossaceae
4
17
18
18
0
0
0
Osmundaceae
1
1
1
0
1
0
0
Polypodiaceae
1
4
4
4
0
0
0
Pteridaceae
6
12
13
13
0
0
0
Salviniaceae
1
2
2
2
0
0
0
Selaginellaceae
1
4
4
4
0
0
0
Thelypteridaceae
3
3
3
3
0
0
0
Woodsiaceae
1
2
3
3
0
0
0
TOTAL
38
108
113
110
3
0
0
Gymnosperms:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Cupressaceae
3
7
9
6
3
0
0
Pinaceae
6
18
22
21
1
0
1
Taxaceae
1
2
2
1
1
0
0
TOTAL
10
27
33
28
5
0
1
Dicots:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Adoxaceae
2
8
10
6
4
0
0
Amaranthaceae
19
74
76
35
40
1
3
Anacardiaceae
2
4
4
3
1
0
0
Apiaceae
35
97
98
77
21
7
5
Apocynaceae
3
9
9
6
2
0
0
Aquifoliaceae
1
1
1
0
1
0
0
Araliaceae
4
6
6
3
3
0
0
Aristolochiaceae
1
1
1
1
0
0
0
Asteraceae
128
438
470
322
141
12
13
Balsaminaceae
1
8
8
4
4
0
0
Berberidaceae
4
10
10
6
4
0
0
Betulaceae
3
14
16
12
4
0
0
Bignoniaceae
1
2
2
0
2
0
0
Boraginaceae
23
83
86
62
24
6
2
Brassicaceae
57
175
178
106
71
3
6
Cabombaceae
2
2
2
1
1
0
0
Cactaceae
2
3
3
3
0
0
0
Calycanthaceae
0
0
0
0
0
0
1
Campanulaceae
9
23
23
16
7
1
1
Cannabaceae
3
3
4
1
3
0
0
Caprifoliaceae
2
18
19
11
8
0
0
Caryophyllaceae
31
99
107
57
50
3
2
Celastraceae
3
9
9
7
2
0
0
Ceratophyllaceae
1
2
2
2
0
0
0
Cleomaceae
2
3
3
3
0
0
0
Convolvulaceae
3
16
16
11
5
0
2
Cornaceae
1
5
5
5
0
0
0
Crassulaceae
3
16
16
10
6
1
2
Crossosomataceae
1
1
1
1
0
0
0
Cucurbitaceae
5
5
5
1
4
0
0
Dipsacaceae
2
2
2
0
2
0
0
Droseraceae
2
4
4
3
1
0
0
Ehretiaceae
1
1
1
1
0
0
0
Elaeagnaceae
2
4
4
2
2
0
0
Elatinaceae
2
3
3
3
0
0
0
Ericaceae
23
60
62
58
4
0
0
Euphorbiaceae
3
20
20
4
16
0
0
Fabaceae
36
184
220
145
74
13
6
Fagaceae
3
6
6
2
4
0
1
Garryaceae
2
2
2
1
1
0
0
Gentianaceae
7
15
16
14
2
0
0
Geraniaceae
2
19
19
5
14
0
0
Grossulariaceae
1
21
23
21
2
0
0
Haloragaceae
1
9
9
6
3
0
0
Heliotropiaceae
1
1
1
1
0
0
0
Hydrangeaceae
2
2
2
2
0
0
0
Hydrophyllaceae
5
28
34
32
2
2
0
Hypericaceae
2
13
13
2
10
0
0
Juglandaceae
1
4
4
0
4
0
0
Lamiaceae
32
64
67
25
42
1
5
Lauraceae
1
1
1
0
1
0
0
Lentibulariaceae
2
7
7
6
1
0
0
Limnanthaceae
2
3
3
1
2
0
0
Linaceae
2
5
4
2
2
0
0
Linderniaceae
1
1
1
1
0
0
0
Linnaeaceae
1
1
1
1
0
0
0
Loasaceae
1
4
5
5
0
0
0
Lythraceae
3
6
6
2
4
0
0
Malvaceae
10
24
25
11
14
2
0
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
31
34
33
1
0
0
Moraceae
2
2
2
0
2
0
1
Myricaceae
2
2
2
2
0
0
0
Namaceae
1
1
1
1
0
0
1
Nitrariaceae
1
1
1
0
1
0
0
Nyctaginaceae
2
4
4
3
1
0
2
Nymphaeaceae
2
3
3
2
1
0
0
Oleaceae
3
8
8
1
7
0
0
Onagraceae
12
66
68
56
12
1
0
Orobanchaceae
13
48
61
55
6
3
2
Oxalidaceae
1
7
7
3
4
0
0
Paeoniaceae
1
1
1
1
0
0
0
Papaveraceae
8
18
18
7
11
0
1
Paulowniaceae
1
1
1
0
1
0
0
Penthoraceae
1
1
1
0
1
0
0
Phrymaceae
4
28
28
26
1
0
3
Phytolaccaceae
1
1
1
0
1
0
0
Plantaginaceae
18
97
110
73
37
3
5
Platanaceae
1
1
0
0
0
0
0
Plumbaginaceae
2
3
4
1
3
0
0
Polemoniaceae
13
55
57
57
0
3
2
Polygalaceae
1
1
1
0
1
0
0
Polygonaceae
12
74
96
72
24
4
3
Portulacaceae
1
1
1
0
1
0
0
Primulaceae
6
26
28
21
7
1
0
Ranunculaceae
21
92
105
87
17
5
2
Resedaceae
1
2
2
0
2
0
0
Rhamnaceae
3
8
9
8
1
0
0
Rosaceae
41
185
200
102
98
2
4
Rubiaceae
4
18
18
11
7
0
3
Salicaceae
2
43
45
37
8
0
4
Santalaceae
3
8
10
10
0
0
0
Sapindaceae
2
9
9
3
6
0
0
Sarcobataceae
1
1
1
1
0
0
0
Sarraceniaceae
2
4
4
0
4
0
0
Saxifragaceae
21
55
61
60
1
1
1
Scrophulariaceae
4
13
13
4
9
0
0
Simaroubaceae
1
1
1
0
1
0
0
Solanaceae
8
26
27
1
26
0
0
Tamaricaceae
1
2
2
0
2
0
1
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
15
15
11
4
1
0
Verbenaceae
1
6
6
4
2
0
0
Violaceae
1
24
26
20
6
1
0
Vitaceae
2
4
3
0
3
0
0
Zygophyllaceae
2
2
2
0
2
0
0
TOTAL
756
2665
2871
1907
950
77
85
Monocots:
Family
Genera
Species
Terminal taxa
Native
Introduced
Endemic
Excluded
Acoraceae
1
2
2
1
1
0
0
Alismataceae
3
10
10
5
5
0
0
Alstroemeriaceae
1
1
0
0
0
0
0
Amaryllidaceae
4
31
32
19
12
3
0
Araceae
8
14
13
9
4
0
0
Asparagaceae
10
20
25
16
9
1
1
Asphodelaceae
1
2
2
0
2
0
0
Butomaceae
1
1
1
0
1
0
0
Commelinaceae
2
2
2
0
2
0
0
Cyperaceae
14
202
209
190
18
0
10
Hydrocharitaceae
7
10
10
5
5
0
0
Iridaceae
5
18
22
14
8
0
0
Juncaceae
2
65
71
53
17
0
0
Juncaginaceae
1
5
5
5
0
0
0
Liliaceae
10
28
31
29
2
1
1
Melanthiaceae
5
11
13
13
0
0
0
Orchidaceae
12
36
42
41
1
1
2
Poaceae
101
329
363
203
158
2
10
Pontederiaceae
3
3
3
1
2
0
0
Potamogetonaceae
3
23
23
22
1
0
1
Ruppiaceae
1
1
1
1
0
0
0
Scheuchzeriaceae
1
1
1
1
0
0
0
Smilacaceae
1
1
1
0
1
0
0
Tofieldiaceae
1
1
1
1
0
0
0
Typhaceae
2
9
9
6
3
0
0
Zosteraceae
3
5
5
4
1
0
0
TOTAL
203
831
897
639
253
8
25