View source for Reference:Herendeen1990a


		{{Reference
		| entryid=herendeen1990a
		| titleid=Reference:herendeen1990a
		| checksum=a81be630d21918a58269048d6002ce43
    		| verbatimtext=Herendeen, P. S., D. H. Les, and D. L. Dilcher. 1990. Fossil Ceratophyllum (Ceratophyllaceae) from the Tertiary of North America. Amer. J. Bot. 77: 7-16.
    
		| author=Herendeen, P.S.;
				Les, D.H.;
				Dilcher, D.L.
    		| year=1990
    		| title=Fossil Ceratophyllum (Ceratophyllaceae) from the Tertiary of North America
    		| journal=Amer. J. Bot
    		| volume=77
    		| pages=7–16
    
  
		}}