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2. Ferocactus viridescens (Torrey & A. Gray) Britton & Rose, Cact.  3: 140.  1922.  
Coastal barrel cactus, San Diego barrel cactus  
 
 
 
 
Echinocactus viridescens Torrey & A. Gray, Fl. N. Amer. 1: 554. 1840 
 
Varieties 3 (1 in the flora): California, Mexico. 
 
 
 
 
 
 
 
 
                        
                          
                        
                          
Lower Taxon 
 
  
                        
                          
                        
                        
                      
 
                      
	 
                      
                         
		
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