Pammel, L. H.  1862-1931. <br/><br/>
The weed flora of Iowa ... 

 - Des Moines,  Iowa Geological Survey,  1913. 
 - xiii, 912 p.  illus. (incl. maps)  24 cm. 
 - Iowa. Geological Survey. Bulletin  no. 4 .
<br/><br/> "By L.H. Pammel, with the collaboration of Charlotte M. King, J.N. Martin, J.C. Cunningham, Ada Hayden and Harriette S. Kellogg".--p. [vii]  Errata slip inserted. 
<br/><br/>Bibliography: p. 580-587, 837-861. 
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<br/><br/><label>LCCN: </label>gs 14000248  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Iowa.<br/>Plants--Iowa.
<br/><br/><label>LC Class. No.: </label>SB612.I8  / P2 1913