View source for Reference:Semple1991a


		{{Reference
		| entryid=semple1991a
		| titleid=Reference:semple1991a
		| checksum=057bb7bc40b9109fc7add0ccd34e1464
    		| verbatimtext=Semple, J. C., J. G. Chmielewski, and C. Leeder. 1991. A multivariate morphometric study and revision of Aster subg. Doellingeria sect. Triplopappus (Compositae: Astereae): The Aster umbellatus complex. Canad. J. Bot. 69: 256–276.
    
		| author=Semple, J.C.;
				Chmielewski, J.G.;
				Leeder, C.
    		| year=1991
    		| title=A multivariate morphometric study and revision of Aster subg. Doellingeria sect. Triplopappus (Compositae: Astereae): The Aster umbellatus complex
    		| journal=Canad. J. Bot
    		| volume=69
    		| pages=256–276
    
  
		}}