Geographic distribution of the pines of the world 

 - V, 97 p.  krtn. 
 - USA. Department of agriculture. Forest service. Miscellaneous publications  991 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>582.475.4--Pinoideae. Pines. Pitch pine. Pinus<br/>581.9--Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants