Johansen, Donald Alexander, 1901-
Plant embryology : embryogeny of the spermatophyta / by Donald AlexanderJohansen . - Waltham, Mass : Chronica Botanica , 1950. - xvi, 305 p. : ill. ; 28 cm. - A New series of plant science books, v. 24 .
Includes bibliographical references and index.
51009356
Plant embryology.
QK665 / .J6
581.3 / JOP
Plant embryology : embryogeny of the spermatophyta / by Donald AlexanderJohansen . - Waltham, Mass : Chronica Botanica , 1950. - xvi, 305 p. : ill. ; 28 cm. - A New series of plant science books, v. 24 .
Includes bibliographical references and index.
51009356
Plant embryology.
QK665 / .J6
581.3 / JOP