Douglas, G.W., and J.L. Penny. 2004. Conservation evaluation of Howell's Triteleia, Triteleia howellii, an endangered lily in Canada. Can. Field-Nat. 118(2): 174-178.
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.
Douglas, G.W., D. Meidinger, and J. Pojar, eds. 2001. Illustrated Flora of British Columbia, Vol. 6, Monocotyledons (Acoraceae through Najadaceae). B.C. Minist. Environ., Lands and Parks, and B.C. Minist. For., Victoria, BC. 361pp.
Garry Oak Ecosystems Recovery Team. 2003. Triteleia howellii. In: Species at risk in Garry oak and associated ecosystems in British Columbia. Garry Oak Ecosystems Recovery Team, Victoria, British Columbia.
Roemer, H., and M. Fairbarns. 2003. Red and Blue Listed Plants of the Somenos Garry Oak Protected Area. Rep. prepared for the Garry Oak Ecosystem Recovery Team.
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.