Costanzo, B. 2002g. Stewardship Account for Branched Indian Clover Trifolium dichotomum. Prepared for the B.C. Conservation Data Centre and the Garry Oak Ecosystems Recovery Team. Sponsored by the Habitat Stewardship Program, Gov. Can., and Nat. Conservancy Can. Victoria, BC. 10 pp.
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. 1999. Illustrated Flora of British Columbia, Vol. 3, Dicotyledons (Diapensiaceae through Onagraceae). B.C. Minist. Environ., Lands and Parks, and B.C. Minist. For., Victoria. 423pp.
Garry Oak Ecosystems Recovery Team. 2002. Prepared by: B. Costanzo. Stewardship account for branched indian clover (Trifolium dichotomum). Garry Oak Ecosystems Recovery Team, Victoria, British Columbia
Garry Oak Ecosystems Recovery Team. 2003. Trifolium dichotomum (edit 2009). In: Species at risk in Garry oak and associated ecosystems in British Columbia. Garry Oak Ecosystems Recovery Team, Victoria, British Columbia.
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.