Rayle, David L . Botany : a human concern / David L. Rayle & Hale L. Wedberg. - 2nd / . - Philadelphia : Saunders college , 1980. - vii, 358p. : fig. ; 28cm . Include glossary, index ISBN: 003056753x USD 39.50 Subjects--Index Terms: BOTANY Dewey Class. No.: 580 / RAY/B