TY - BOOK AU - LONG, Robert W AU - NORSTOG, Knot TI - Plant biology U1 - 581 PY - 1976/// CY - Philadelphia PB - W.B.Saunders company KW - Algae KW - Ecology KW - Ferns KW - Flowering plant KW - Fungi KW - Gymnosperms KW - Heredity KW - Photosynthesis KW - Plant biology KW - Plant growth ER -