View source for Reference:Horner1963a


		{{Reference
		| entryid=horner1963a
		| titleid=Reference:horner1963a
		| checksum=c6ad66efa5f7599e0e9863f51ec5c821
    		| verbatimtext=Horner, H. T. Jr. and H. J. Arnott. 1963. Sporangial arrangement in North American species of  Selaginella. Bot. Gaz. 124: 371--383.
    
		| author=Horner, H.T.;
				Arnott, H.J.
    		| year=1963
    		| title=Sporangial arrangement in North American species of Selaginella
    		| journal=Bot. Gaz
    		| volume=124
    		| pages=371–383
    
  
		| PubMedlink=http://www.ncbi.nlm.nih.gov/pubmed/336222
		}}