Books

Fernholm, B., Bremer, K. & Jörnvall, H. (eds.), 1989. The Hierarchy of Life. Nobel Symposium 70. International Congress Series vol. 824. Excerpta Medica [Elsevier], Amsterdam, New York, Oxford, 31 Aug 1989: [i]-xiii, [1]-499.

Articles

The Angiosperm Phylogeny Group (comps.), 1998. An Ordinal Classification for the Families of Flowering Plants. Ann. Missouri Bot. Gard. 85 (4): 531-553. ≡

The Angiosperm Phylogeny Group II (comps.), 2003. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II. Bot. J. Linn. Soc. 141 (4), Apr 2003: 399-436, 1 fig.. ≡

The Angiosperm Phylogeny Group III (comps.), 2009. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III. Bot. J. Linn. Soc. 161 (2), Oct 2009: 105-121, 1 fig.. ≡