Plant genetic resources : their conservation in situ for human use
1989
Wild plants
The botanic gardens conservation strategy
1989
Heywood, Vernon |
Conserving the wild relatives of crops
1988
Hoyt, Erich |
Brown, Susanah |
Sahara Desert
1984
Cloudsley-Thompson, J. L. |
Madagascar
1984
Jolly, Alison |
Oberlé, Philippe |
Albignac, Roland |
Malaysia
1988
Cranbrook, Gathorne Gathorne-Hardy, Earl of |
Antarctica
1985
Bonner, W. Nigel (William Nigel) |
Walton, D. W. H. |