(2004). Recovery plan for five plants from Monterey County, California: Astragalus tener var. titi (coastal dunes milk-vetch), Piperia yadonii (Yadon's piperia), Potentilla hickmanii (Hickman's potentilla), Trifolium trichocalyx (Monterey clover), Cupressus goveniana ssp. goveniana (Gowen cypress). Region 1, U.S. Fish and Wildlife Service.
Chicago Style (17th ed.) CitationRecovery Plan for Five Plants from Monterey County, California: Astragalus Tener Var. Titi (coastal Dunes Milk-vetch), Piperia Yadonii (Yadon's Piperia), Potentilla Hickmanii (Hickman's Potentilla), Trifolium Trichocalyx (Monterey Clover), Cupressus Goveniana Ssp. Goveniana (Gowen Cypress). Portland, Oregon: Region 1, U.S. Fish and Wildlife Service, 2004.
MLA (9th ed.) CitationRecovery Plan for Five Plants from Monterey County, California: Astragalus Tener Var. Titi (coastal Dunes Milk-vetch), Piperia Yadonii (Yadon's Piperia), Potentilla Hickmanii (Hickman's Potentilla), Trifolium Trichocalyx (Monterey Clover), Cupressus Goveniana Ssp. Goveniana (Gowen Cypress). Region 1, U.S. Fish and Wildlife Service, 2004.