origination:
Peonies, The Manual of the American Peony Society, edited by James Boyd © 1928 American Peony Society: [Check List of Chinese Peonies in Commerce] Double Peonies, page 37.
Koningin Wilhelmina. (Krelage, 1912.) Pink.
KOENIGEN WILHELMINA (Krelage, 1912) Spelled KONINGIN WILHELMINA in Manual. Double Rose-pink. Wassenberg catalog, 1954.
KONINGIN WILHELMINA (Krelage, 1912) - Double - Pink - M.
Königin Wilhelmine, [Paeonia sinensis Gefülltblühende Sorten:] hübsche rosa Farbe, in lachsrosa übergehend
M.S. Uspenskaja 2003, p. 128:
Tartu Ülikooli Botaanikaaed (THE BOTANICAL GARDEN OF THE UNIVERSITY OF TARTU) INDEX PLANTARUM : Paeonia 'Koningin Wilhelmina Krelage 1912
© 1. Bild : P. de Frankrijker en Zn, Boskoop
Central Botanical Garden of the National Academy of Sciences of Belarus, Minsk: index plantarum 2007, available under [link]: listed
