@article {180,
	title = {Diagnostic evidence from DELTA and clustering programs, and an INTKEY package for interactive, illustrated identification and information retrieval},
	journal = {Can J Botany},
	volume = {75},
	year = {1997},
	pages = {1527-55},
	author = {Aiken, S. G. and Dallwitz, M. J. and McJannet, C. L. and Consaul, L.}
}
