Literature

Authors	Year	Title
A. Backland, Bremer K.	1998	To be or not to be: Principles of classification and monotypic plant families
K. Bremer	2002	Gondwanan evolution of the Grass Alliance of Families
K. Bremer	1985	Summary of green plant phylogeny and classification
K. Bremer, Wanntorp H. - E.	1979	Hierarchy and reticulations in sytematics
K. Bremer, Wanntorp H. E.	1978	Phylogenetic systematics in botany

1998

2002

1985