Douglas, G.W., D. Meidinger, and J. Penny. 2002. Rare Native Vascular Plants of British Columbia, 2nd ed. B.C. Conserv. Data Centre, Terrestrial Inf. Branch, Victoria. 358pp.
Fairbarns, M. 2008b. Pink sand-verbena (Abronia umbellata) 2007-8 recovery activities. Prepared for Parks Canada Agency. Vancouver, BC. 31 pp.
Fairbarns, M. 2009a. Pink sand-verbena (Abronia umbellata) 2008-9 recovery activities. Prepared for Parks Canada Agency. Vancouver, BC. 29 pp.
Kaye, T.N. 2002. Conservation strategy for pink sand-verbena (Abronia umbellata ssp. breviflora). Unpubl. preliminary draft, Inst. Appl. Ecology, Oregon State Univ., Corvallis OR.
Cross-Linked Information Resources (CLIR): an umbrella search web application that allows users to
use a single window to simultaneously search six provincial environmental and natural resource information
e-libraries and provides access to digital documents in these e-libraries.