Wildflowers across America - Johnson, Lady Bird, 1912-; Lees, Carlton B. (New York : Cross River Press, 1988)
Sources of regional wildflower seed mixtures : p. 296-297
Includes bibliographical references
Keywords: Wild flowers -- United States; Wild flowers -- United States -- Pictorial works; Botany -- United States -- History; Plant collectors -- United States; Plant conservation -- United States; Urban beautification -- United States; Roadside improvement -- United States