Plant families, how to know them
Subtitle: pictured-keys for determining the families of nearly all of the members of the entire plant kingdom
By: H. E. Jaques.
Edition: 2nd edition.
Series: Pictured key nature series
Publisher: W. C. Brown
Published: 1976
Place of publication: Dubuque
Number of pages: 177
Subjects: Botany -- Classification
Genres: Classification
Notes: Some helpful books : p. 4-5.