Heil, Kenneth D. <br/><br/>
Flora of the Four Corners Region :  vascular plants of the San Juan River Drainage, Arizona, Colorado, New Mexico, and Utah / 
Kenneth D. Heil ... [and others]. 
 - xv, 1098 pages :  illustrations (some color), maps ;  29 cm. 
 - Monographs in systematic botany ;  vol. 124 .
 - Monographs in systematic botany ;  vol. 124. .
<br/><br/> Maps on end papers.  "Color botanical illustrations by Carolyn Crawford, and color landscape illustrations by Glenn Vandré." -- Verso. 
<br/><br/><label>ISBN: </label>9781930723849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Four Corners Region.<br/>Botany--San Juan River Drainage.<br/>Botany--Arizona.<br/>Botany--Colorado.<br/>Botany--New Mexico.<br/>Botany--Utah.