|
|
| |
|
1997 IUCN Red
List of Threatened Plants
Table 8 - Globally threatened taxa of vascular
plants: IUCN Categories by major taxa and families
|
Family
|
Ex
|
Ex/E
|
E |
V |
R |
I |
Total no. threatened1 |
Total no. species |
%
threatened
|
| Fern allies |
|
|
|
|
|
|
|
|
|
| Isoetaceae |
2
|
|
11
|
4
|
22
|
2
|
39
|
79
|
49.7
|
| Lycopodiaceae |
1
|
|
3
|
6
|
11
|
3
|
23
|
519
|
4.4
|
| Psilotaceae |
|
|
1
|
|
1
|
|
2
|
7
|
30.8
|
| Selaginellaceae |
1
|
|
3
|
5
|
9
|
6
|
23
|
713
|
3.2
|
| TOTAL |
4
|
0
|
18
|
15
|
43
|
11
|
87
|
1,318
|
6.6
|
| True ferns |
|
|
|
|
|
|
|
|
|
| Adiantaceae |
|
1
|
6
|
4
|
16
|
11
|
38
|
712
|
5.3
|
| Aspleniaceae |
|
3
|
12
|
3
|
25
|
3
|
46
|
711
|
6.5
|
| Blechnaceae |
|
|
2
|
2
|
11
|
2
|
17
|
238
|
7.1
|
| Cyatheaceae |
|
1
|
10
|
36
|
100
|
55
|
202
|
623
|
32.4
|
| Davalliaceae |
|
|
1
|
|
|
|
1
|
130
|
0.8
|
| Dennstaedtiaceae |
|
|
1
|
1
|
9
|
4
|
15
|
486
|
3.1
|
| Dicksoniaceae |
|
|
|
3
|
|
1
|
4
|
41
|
9.8
|
| Dryopteridaceae |
2
|
5
|
12
|
10
|
41
|
7
|
75
|
464
|
16.2
|
| Gleicheniaceae |
|
|
|
1
|
3
|
|
4
|
140
|
2.9
|
| Grammitidaceae |
|
|
2
|
2
|
39
|
22
|
65
|
500
|
13.0
|
| Hymenophyllaceae |
|
|
4
|
4
|
18
|
1
|
27
|
600
|
4.5
|
| Lomariopsidaceae |
|
|
4
|
1
|
12
|
|
17
|
615
|
2.8
|
| Loxsomataceae |
|
|
1
|
1
|
|
|
2
|
4
|
50.0
|
| Marattiaceae |
|
|
3
|
1
|
6
|
1
|
11
|
204
|
5.4
|
| Marsileaceae |
|
|
3
|
2
|
1
|
2
|
8
|
67
|
11.9
|
| Oleandraceae |
|
|
|
2
|
|
|
2
|
91
|
2.2
|
| Ophioglossaceae |
|
|
6
|
5
|
12
|
|
23
|
81
|
28.4
|
| Osmundaceae |
|
|
|
1
|
|
1
|
2
|
18
|
11.1
|
| Parkeriaceae |
|
|
|
|
1
|
|
1
|
4
|
25.0
|
| Plagiogyriaceae |
|
|
|
|
2
|
|
2
|
36
|
5.6
|
| Polypodiaceae |
1
|
1
|
3
|
6
|
12
|
4
|
26
|
1,068
|
2.4
|
| Pteridaceae |
|
|
3
|
3
|
8
|
5
|
19
|
259
|
7.3
|
| Schizaeaceae |
|
|
|
1
|
1
|
1
|
3
|
143
|
2.1
|
| Thelypteridaceae |
1
|
|
9
|
5
|
19
|
8
|
41
|
1,000
|
4.1
|
| Vittariaceae |
|
|
|
|
2
|
|
2
|
113
|
1.8
|
| Woodsiaceae |
1
|
2
|
3
|
3
|
17
|
5
|
30
|
705
|
4.3
|
| TOTAL |
5
|
13
|
85
|
97
|
356
|
133
|
683
|
9,053
|
7.5
|
| Gnetopsida
(gnetophytes) |
|
|
|
|
|
|
|
|
|
| Ephedraceae |
|
|
|
|
1
|
|
1
|
40
|
2.5
|
| TOTAL |
0
|
0
|
0
|
0
|
1
|
0
|
1
|
40
|
2.5
|
|
Pinopsida
(conifers)
|
|
|
|
|
|
|
|
|
|
| Araucariaceae |
|
|
5
|
11
|
13
|
1
|
30
|
38
|
78.9
|
| Cephalotaxaceae |
|
|
1
|
3
|
|
1
|
5
|
7
|
71.4
|
| Cupressaceae |
1
|
1
|
17
|
19
|
21
|
6
|
64
|
130
|
49.2
|
| Pinaceae |
|
|
17
|
50
|
62
|
4
|
133
|
250
|
53.2
|
| Podocarpaceae |
|
|
5
|
28
|
33
|
4
|
70
|
125
|
56.0
|
| Taxaceae |
|
|
4
|
7
|
3
|
1
|
15
|
20
|
75.0
|
| Taxodiaceae |
|
|
2
|
4
|
4
|
|
10
|
16
|
62.5
|
| TOTAL |
1
|
1
|
51
|
122
|
136
|
17
|
327
|
586
|
55.8
|
|
Ginkopsida
(ginkgo)
|
|
|
|
|
|
|
|
|
|
| Ginkgoaceae |
|
|
|
|
1
|
|
1
|
1
|
100.0
|
| TOTAL |
0
|
0
|
0
|
0
|
1
|
0
|
1
|
1
|
100.0
|
| Cycadopsida
(cycads) |
|
|
|
|
|
|
|
|
|
| Cycadaceae |
1
|
|
5
|
11
|
4
|
|
20
|
35
|
57.1
|
| Stangeriaceae |
|
|
|
|
1
|
|
1
|
1
|
100.0
|
| Zamiaceae |
2
|
|
39
|
50
|
36
|
3
|
128
|
144
|
88.9
|
| TOTAL |
3
|
0
|
44
|
61
|
41
|
3
|
149
|
180
|
82.8
|
| Dicotyledons |
|
|
|
|
|
|
|
|
|
| Acanthaceae |
7
|
1
|
63
|
67
|
192
|
106
|
429
|
2,500
|
17.2
|
| Aceraceae |
|
|
2
|
2
|
7
|
3
|
14
|
112
|
12.5
|
| Actinidiaceae |
|
|
2
|
1
|
1
|
1
|
5
|
300
|
1.7
|
| Aizoaceae |
7
|
|
16
|
20
|
86
|
41
|
163
|
2,500
|
6.5
|
| Alzateaceae |
|
|
|
|
1
|
|
1
|
1
|
100.0
|
| Amaranthaceae |
4
|
1
|
9
|
4
|
24
|
6
|
44
|
900
|
4.9
|
| Anacardiaceae |
|
1
|
12
|
19
|
39
|
15
|
86
|
600
|
14.3
|
| Ancistrocladaceae |
|
|
1
|
1
|
|
|
2
|
18
|
11.4
|
| Anisophylleaceae |
|
|
|
|
2
|
|
2
|
40
|
5.0
|
| Annonaceae |
|
2
|
24
|
36
|
91
|
59
|
212
|
2,300
|
9.2
|
| Apocynaceae |
5
|
1
|
33
|
31
|
70
|
14
|
149
|
2,000
|
7.5
|
| Aquifoliaceae |
1
|
1
|
6
|
4
|
18
|
8
|
37
|
370
|
10.0
|
| Araliaceae |
|
|
30
|
22
|
36
|
19
|
107
|
700
|
15.3
|
| Aristolochiaceae |
|
|
5
|
3
|
23
|
4
|
35
|
600
|
5.8
|
| Asclepiadaceae |
9
|
3
|
72
|
60
|
199
|
86
|
420
|
2,000
|
21.0
|
| Balanopaceae |
|
|
|
|
1
|
|
1
|
9
|
11.1
|
| Balanophoraceae |
|
|
1
|
1
|
3
|
|
5
|
45
|
11.1
|
| Balsaminaceae |
1
|
3
|
5
|
|
12
|
49
|
69
|
450
|
15.3
|
| Basellaceae |
|
|
1
|
1
|
3
|
|
5
|
18
|
28.6
|
| Begoniaceae |
1
|
1
|
14
|
8
|
28
|
13
|
64
|
1,020
|
6.3
|
| Berberidaceae |
|
|
5
|
12
|
15
|
11
|
43
|
650
|
6.6
|
| Betulaceae |
|
|
2
|
1
|
8
|
2
|
13
|
125
|
10.4
|
| Bignoniaceae |
|
|
34
|
43
|
73
|
5
|
155
|
800
|
19.4
|
| Bombacaceae |
|
|
11
|
3
|
7
|
3
|
24
|
200
|
12.0
|
| Boraginaceae |
8
|
6
|
43
|
82
|
211
|
36
|
378
|
2,000
|
18.9
|
| Bretschneideraceae |
|
|
|
|
1
|
|
1
|
1
|
100.0
|
| Brunelliaceae |
|
|
29
|
19
|
9
|
|
57
|
62
|
91.9
|
| Bruniaceae |
4
|
|
3
|
2
|
| | | |
