Plant embryology; embryogeny of the spermatophyta.
Johansen, Donald Alexander, 1901-
Plant embryology; embryogeny of the spermatophyta. - Waltham, Mass: Chronica Botanica Co., 1950. - xvi, 305 p. : ill., ports. ; 28 cm. - New series of plant science books ; v.24 .
Includes bibliographies.
Botany--Embryology.
Plant embryology; embryogeny of the spermatophyta. - Waltham, Mass: Chronica Botanica Co., 1950. - xvi, 305 p. : ill., ports. ; 28 cm. - New series of plant science books ; v.24 .
Includes bibliographies.
Botany--Embryology.
