Plant embryology :
Johansen, Donald Alexander, 1901-
Plant embryology : embryogeny of the spermatophyta / Donald Alexander Johansen. - Dehra Dun : Bishen Singh Mahendra Pal. c - xvi, 305 p. : illus. ports. ; 28 cm.
Includes bibliographies.
8121100437
Plant embryology.
581.3
Plant embryology : embryogeny of the spermatophyta / Donald Alexander Johansen. - Dehra Dun : Bishen Singh Mahendra Pal. c - xvi, 305 p. : illus. ports. ; 28 cm.
Includes bibliographies.
8121100437
Plant embryology.
581.3