Heywood, Vernon Hilton.
Plant taxonomy / V. H. Heywood. - 2nd ed. - London : Edward Arnold, 1976. - 63 p. : 4 plates, tables, diagrs. - Institute of Biology. Studies in biology ; no. 5 . - Institute of Biology's studies in biology ; no. 5. .
0713126086
Botany--Classification.
Plant taxonomy / V. H. Heywood. - 2nd ed. - London : Edward Arnold, 1976. - 63 p. : 4 plates, tables, diagrs. - Institute of Biology. Studies in biology ; no. 5 . - Institute of Biology's studies in biology ; no. 5. .
0713126086
Botany--Classification.