Ellis, Barbara W. Taylor's guide to perennials : more than 600 flowering and foliage plants, including ferns and ornamental grasses / Perennials Barbara W. Ellis. - Boston : Houghton Mifflin, 2000. - 490 p. : col. ill., map ; 22 cm. - Taylor's guides to gardening . Includes index. ISBN: 0395983630 LCCN: 00033436 Subjects--Topical Terms: Perennials. LC Class. No.: SB434 / .E47 2000 Dewey Class. No.: 635.9/32