• Text version of "Proposed Recovery Strategy for the Seaside Centipede Lichen (Heterodermia sitchensis) in Canada" (2006-11-08)
• Version texte "Programme de rÃ©tablissement de lâ€™hÃ©tÃ©rodermie maritime (Heterodermia sitchensis) au Canada (version finale)" (2007-02-14)