Zonneveld, B. J.M., NCB Naturalis, section National Herbarium of The Netherlands, Leiden University, Netherlands

• Anales del Jardín Botánico de Madrid Vol. 67 No. 1 (2010) - Articles
  The involvement of Narcissus hispanicus Gouan in the origin of Narcissus bujei and of cultivated trumpet daffodils (Amaryllidaceae)
  Abstract  PDF