James Lauritz Reveal is a botanist, professor emeritus at the Norton Brown Herbarium, Maryland (see his cv).

He is perhaps best known for his work on suprageneric names, presented in an extensive website, which also presents material on plant taxonomy, including several systems of plant taxonomy (among which the Reveal system

Reveal system

A modern system of plant taxonomy, the Reveal system of plant classification was drawn up by the botanist J.L. Reveal , professor emeritus at the Norton Brown Herbarium, Maryland .The last update of the system was made in 1999...

). However, he also has published extensively on the North American flora and he is a member of the Angiosperm Phylogeny Group

Angiosperm Phylogeny Group

The Angiosperm Phylogeny Group, or APG, refers to an informal international group of systematic botanists who came together to try to establish a consensus on the taxonomy of flowering plants that would reflect new knowledge about plant relationships discovered through phylogenetic studies., three...

 (that is, he is a contributing author for APG II

APG II system

The APG II system of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Group. It was a revision of the first APG system, published in 1998, and was superseded in 2009...

).