Jelitto, L., W. Schacht & A. Fessler, 1990, Hardy herbaceous perennials, Timber Press, Portland
- Author : Jelitto, L., W. Schacht & A. Fessler
- Year : 1990
- Title English : Hardy herbaceous perennials
- Publisher : Timber Press
- Publisher's Location : Portland
- ISBN : 0881921599
- Pages : 636
- Edition : 3rd
- Abstract : Here is the English translation of an encyclopedia of perennial plants.Included are 809 genera; 4286 species, subspecies, varieties, and hybrids; and 3617 cultivars
- Comments : This is a classical edition of sustematic descriptions of perennial plants, also with comments on habitat requirements, value in use and suggestions for suitable company in compositions.