Abstract The Angiosperm Phylogeny Group (APG) started with ordinal relationships for
angiosperm families and later came to concentrate more on issues surrounding family�…

This, the successor to Flower�ng Plants of the World (1978), has been awaited by many,
including myself, who enjoyed and benefited from the original version. As an undergraduate�…

Angiosperm classification is to be understood in relation to its development against a
particular historical and philosophical background—that of seventeenth‐and eighteenth�…

This article provides a visual overview of the relationships of all angiosperm families
(following APG IV). The poster lists important characters for major grades and clades and�…

The use of different and often outmoded systems for the arrangement of collections in
botanic gardens and herbaria hampers international research because it makes finding the�…

Weber (1982) introduced 3-letter acronyms for families of vascular plants as a method to
expedite herbarium curation. When used on herbarium labels as a routine component of�…

Evolutionary classification, ie a biological classification that recognizes paraphyletic groups
as formal taxa, is often regarded as highly subjective and therefore unscientific. We argue�…

Blume and Vanda R. Br.; Pridgeon & al., 1999–2014; the ferns Asplenium L., Dryopteris
Adans. and Tectaria Cav.; Schneider & al., 2004; Zhang & al., 2012; Ding & al., 2014�…

The publication of the third Angiosperm Phylogeny Group (APG) classification (APG III.
2009. An update of the Angiosperm Phylogeny Group classification for the orders and�…

SUMMARY This 'Tansley Review'paper takes as its starting point a paper of mine published
in 1961, which explored the shape and size of modern Angiosperm families and genera as a�…