

WATER POLLUTION 

 CONTROL RESEARCH SERIES 



16030 DNL 01/72 



Aquatic and 

 Wetland Plants 



Southwestern United States 



by 



Donovan S. Correll 



Southern Methodist University 

 and 



Helen B. Correll 

 Botanical Editor and Researcher for 

 Environmental Protection Agency 



ENVIRONMENTAL PROTECTION AGENCY 



Research and Monitoring 



Grant No. 16030DNL 

 January 1972 



