@article {1668,
	title = {Summary of green plant phylogeny and classification},
	journal = {Cladistics},
	volume = {1},
	year = {1985},
	pages = {369-385},
	keywords = {CLADISTICS, CLASSIFICATION, PARACLADES, PHYLOGENY},
	author = {Bremer, K.}
}
@article {1671,
	title = {Phylogenetic systematics in botany},
	journal = {Taxon},
	volume = {27},
	year = {1978},
	pages = {220-224},
	keywords = {CLADISTICS, SYSTEMATICS},
	author = {Bremer, K. and Wanntorp, H. E.}
}
@article {1461,
	title = {To be or not to be: Principles of classification and monotypic plant families},
	journal = {Taxon},
	volume = {47},
	year = {1998},
	pages = {391-400},
	keywords = {CLADISTICS, CLASSIFICATION, paraphyly},
	author = {Backland, A. and Bremer, K.}
}
