Biogeography
A Simple Rule of Biogeography for California Floristic Province (21 December 2001)
A Biogeographical Premise to Expand On (24 December 2001)
For Introduction: Cocentric Californias (25 October 2004)
Central Valley in Three Acts (26 July 2003)
Biogeograpy of Fall Color (26 May 2001)
Biogeographical Building Blocks of Santa Cruz County (2004)
A Way of Seeing California Biogeography