86 
: ; - ae = \ 
N DAK. \ <7 eS 
—4 
Fes \ ONTARIO 
i 
—— a] pees i anes \ e : : Ze 7 ne 
eee i ee Sas 
ane [FS OA ~ 
(coe SSN 
S.DAK, | 
NE BR 
KANS 
; 
OK] 3 : 
| 
TEXAS 
| Sh RIVER BIRCH 
\ Betula NIQra 
. ) ee. 
hy f Ae é a 
\ S “> FLA. ‘ DOs yO te A eneimnee 
\ ( 
— 
Map 
BETULA NIGRA LINNAEUS 
82 
RIVER BIRCH 
