James Lauritz Reveal (1941 – 2015) was a U.S.
botanist best known for his contributions to the genus
Eriogonum and for his work on suprageneric names. His website, at PlantSystematics.org, also presents material on plant taxonomy including the
Reveal system. He published extensively on
North American flora, was a member of the
Angiosperm Phylogeny Group, and was one of the authors of the APG II and APG III classifications.