me Pinus ponderosa 
| iY iB x Isolated occurrence 
| ———— Approximate limits Ms 
° Collection localities 
{o) 100 200 300 400 500 MILES 
(EE Ee ee eee eee 
(e} 200 400 600 800 KILOMETERS 
50 
\ \ 
i f \ 
f 1 Q 1 
U ] " \ 
" Nie A i D ie SEAN 
\ i i \ 50 
' t \ 
1 \ ate, \ 
i \ Albert i i 
—- ae Saskatchewan} Manitoba _ oe 
one pas = eas = 
a = \Minnesota Ss 
i 
45 >) 
7 
40 
Tec 
Colorado! ere eae 
5 
5] i lig NA ge NS RR a Oa ea Pe eden re 
iNew 
Mexico 
ale nll 
Oklahoma 
| Sap esate, teckel 
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\ “os 
| 7 
ig AR URN 
4 = 
¢ Zacatecas? VOR © 
a Ya 
3) as L 
“\Tamaulipas 
\ o PON 
< ee = 
Boe ee ON Sony (lig y 
ATT Laas I 7 X 
anne 71 Rotosi / 
GW Bema 'S, 
Map 47 
