Ellis, B. W. (1999). Taylor's guide to annuals: How to select and grow more than 400 annuals, biennials, and tender perennials. Boston: Houghton Mifflin Co..

Ellis, Barbara W. Taylor's Guide to Annuals: How to Select and Grow More Than 400 Annuals, Biennials, and Tender Perennials. Boston: Houghton Mifflin Co., 1999.

Ellis, Barbara W. Taylor's Guide to Annuals: How to Select and Grow More Than 400 Annuals, Biennials, and Tender Perennials. Boston: Houghton Mifflin Co., 1999.