INTERNATIONAL CODE OF NOMENCLATURE FOR CULTIVATED PLANTS: APPENDIX III
APPENDIX IV

C.D. Brickell, B.R. Baum, W.L.A. Hetterscheid, A.C. Leslie, J. McNeill, P. Trehane, F. Vrugtman, J.H. Wiersema
APPENDIX III: Special denomination classes (those taxonomic units in which cultivar names may not be duplicated and which are not a single genus)

APPENDIX IV: Places maintaining nomenclatural standards (herbaria of the world which have a policy of holding and actively maintaining specimens of cultivars, including contact information).

Brickell, C.D., Baum, B.R., Hetterscheid, W.L.A., Leslie, A.C., McNeill, J., Trehane, P., Vrugtman, F. and Wiersema, J.H. (2004). INTERNATIONAL CODE OF NOMENCLATURE FOR CULTIVATED PLANTS: APPENDIX III
APPENDIX IV. Acta Hortic. 647, 80-84
DOI: 10.17660/ActaHortic.2004.647.12
https://doi.org/10.17660/ActaHortic.2004.647.12
English

Acta Horticulturae