"Epibacteria and Endobacteria of Chenopodium quinoa" in Humboldt Journal of Microbiology

"Pinaceous Wood from the Lower Cretaceous (Barremian—Early Aptian) of California, USA; Lower Chickabally Member, Budden Canyon Formation" in Ameghiniana

"The Vertic Clay Flora of the San Joaquin Desert: Niche, Competition & Floral Mosaics on a Novel Substrate" in San Luis Obispo Theses and Dissertation

"A Preliminary Exploration of an Understudied Lichen Flora: Lichens of the Basin of Carrizo Plain National Monument, California" in Evansia

"Review of Geoecology of California and Nevada Landscapes by Earl Alexander and Ultramafic Geoecology of North America by Earl Alexander" in Madroño

"Clay Affinity and Endemism in California's Flora" in Madroño

A Manual for Plant Identification and Classification