21 
Table III 
Latitudinal Extensions of Native Species 
Latitudinal 
subdivi sion 
Can. Arct. Arch. 
Churchill 
Coastal S. Lab. 
N ative 
species 
(322) 
Per cent 
of native 
species 
Native 
species 
(354) 
Per cent 
of native 
species 
Native 
specieB 
(506) 
Per cent 
of native 
species 
High- arctic 
132 
41.0 
58 
16.4 
54 
10.7 
Low- arctic 
124 
38.5 
71 
20.0 
63 
12.5 
High- subarctic 
66 
20.5 
134 
37.9 
177 
35.0 
Lo w- sub arc tic 
- 
- 
91 
25.7 
203 
40.1 
Temperate 
- 
- 
- 
- 
9 
1.7 
