'Comtesse Riza du Parc' from Max Singer's Dictionnaire des Roses (1885), vol. 1 A-L, p. 230, courtesy of google books and the Arnold Arboretum.
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'Comtesse Riza du Parc' from Max Singer's Dictionnaire des Roses (1885), vol. 1 A-L, p. 230, courtesy of google books and the Arnold Arboretum.