1. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III
2. Mio‐Pliocene floras from west central Nevada;Axelrod DI.;University of California Publications in Geological Sciences,1956
3. The Pleistocene Soboba flora of southern California;Axelrod DI.;University of California Publications in Geological Sciences,1966
4. The Middle Miocene Pyramid flora of western Nevada;Axelrod DI.;University of California Publications in Geological Sciences,1992
5. The Miocene Purple Mountain flora of western Nevada;Axelrod DI.;University of California Publications in Geological Sciences,1995