Herbaceous Perennial Plants, a Treatise on Their Identification Culture and Garden Attributes
Contributors: Michael A. Dirr (Editor); Bonnie L. Dirr (Illustrator)
Publisher: Varsity Press, Incorporated
Published: June 1990
Format: Paperback
ISBN-13: 9780942375022
Subjects: General; Gardening / Horticulture; Gardening
First sentence: Of the 100 species in this genus, we are lucky to see one or two in this country.